diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c
index f9fbe02e0f69..50b415e07eda 100644
--- a/drivers/media/video/pwc/pwc-ctrl.c
+++ b/drivers/media/video/pwc/pwc-ctrl.c
@@ -159,35 +159,67 @@ static void pwc_set_image_buffer_size(struct pwc_device *pdev);
/****************************************************************************/
-
-#define SendControlMsg(request, value, buflen) \
- usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0), \
- request, \
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \
- value, \
- pdev->vcinterface, \
- &buf, buflen, 500)
-
-#define RecvControlMsg(request, value, buflen) \
- usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0), \
- request, \
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \
- value, \
- pdev->vcinterface, \
- &buf, buflen, 500)
-
-
-static int send_video_command(struct usb_device *udev, int index, void *buf, int buflen)
+static int _send_control_msg(struct pwc_device *pdev,
+ u8 request, u16 value, int index, void *buf, int buflen, int timeout)
{
- return usb_control_msg(udev,
- usb_sndctrlpipe(udev, 0),
- SET_EP_STREAM_CTL,
+ int rc;
+ void *kbuf = NULL;
+
+ if (buflen) {
+ kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
+ if (kbuf == NULL)
+ return -ENOMEM;
+ memcpy(kbuf, buf, buflen);
+ }
+
+ rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
+ request,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ kbuf, buflen, timeout);
+
+ kfree(kbuf);
+ return rc;
+}
+
+static int recv_control_msg(struct pwc_device *pdev,
+ u8 request, u16 value, void *buf, int buflen)
+{
+ int rc;
+ void *kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
+
+ if (kbuf == NULL)
+ return -ENOMEM;
+
+ rc = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
+ request,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ pdev->vcinterface,
+ kbuf, buflen, 500);
+ memcpy(buf, kbuf, buflen);
+ kfree(kbuf);
+ return rc;
+}
+
+static inline int send_video_command(struct pwc_device *pdev,
+ int index, void *buf, int buflen)
+{
+ return _send_control_msg(pdev,
+ SET_EP_STREAM_CTL,
VIDEO_OUTPUT_CONTROL_FORMATTER,
index,
buf, buflen, 1000);
}
+static inline int send_control_msg(struct pwc_device *pdev,
+ u8 request, u16 value, void *buf, int buflen)
+{
+ return _send_control_msg(pdev,
+ request, value, pdev->vcinterface, buf, buflen, 500);
+}
+
static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
@@ -224,7 +256,7 @@ static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
return -EINVAL;
memcpy(buf, pEntry->mode, 3);
- ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 3);
+ ret = send_video_command(pdev, pdev->vendpoint, buf, 3);
if (ret < 0) {
PWC_DEBUG_MODULE("Failed to send video command... %d\n", ret);
return ret;
@@ -285,7 +317,7 @@ static int set_video_mode_Timon(struct pwc_device *pdev, int size, int frames, i
memcpy(buf, pChoose->mode, 13);
if (snapshot)
buf[0] |= 0x80;
- ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 13);
+ ret = send_video_command(pdev, pdev->vendpoint, buf, 13);
if (ret < 0)
return ret;
@@ -358,7 +390,7 @@ static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int frames, i
buf[0] |= 0x80;
/* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */
- ret = send_video_command(pdev->udev, 4 /* pdev->vendpoint */, buf, 12);
+ ret = send_video_command(pdev, 4 /* pdev->vendpoint */, buf, 12);
if (ret < 0)
return ret;
@@ -530,7 +562,8 @@ int pwc_get_brightness(struct pwc_device *pdev)
char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, BRIGHTNESS_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
@@ -545,7 +578,8 @@ int pwc_set_brightness(struct pwc_device *pdev, int value)
if (value > 0xffff)
value = 0xffff;
buf = (value >> 9) & 0x7f;
- return SendControlMsg(SET_LUM_CTL, BRIGHTNESS_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
}
/* CONTRAST */
@@ -555,7 +589,8 @@ int pwc_get_contrast(struct pwc_device *pdev)
char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, CONTRAST_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
@@ -570,7 +605,8 @@ int pwc_set_contrast(struct pwc_device *pdev, int value)
if (value > 0xffff)
value = 0xffff;
buf = (value >> 10) & 0x3f;
- return SendControlMsg(SET_LUM_CTL, CONTRAST_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
}
/* GAMMA */
@@ -580,7 +616,8 @@ int pwc_get_gamma(struct pwc_device *pdev)
char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, GAMMA_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
@@ -595,7 +632,8 @@ int pwc_set_gamma(struct pwc_device *pdev, int value)
if (value > 0xffff)
value = 0xffff;
buf = (value >> 11) & 0x1f;
- return SendControlMsg(SET_LUM_CTL, GAMMA_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
}
@@ -613,7 +651,8 @@ int pwc_get_saturation(struct pwc_device *pdev, int *value)
saturation_register = SATURATION_MODE_FORMATTER2;
else
saturation_register = SATURATION_MODE_FORMATTER1;
- ret = RecvControlMsg(GET_CHROM_CTL, saturation_register, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = (signed)buf;
@@ -636,7 +675,8 @@ int pwc_set_saturation(struct pwc_device *pdev, int value)
saturation_register = SATURATION_MODE_FORMATTER2;
else
saturation_register = SATURATION_MODE_FORMATTER1;
- return SendControlMsg(SET_CHROM_CTL, saturation_register, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
}
/* AGC */
@@ -651,7 +691,8 @@ int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
else
buf = 0xff; /* fixed */
- ret = SendControlMsg(SET_LUM_CTL, AGC_MODE_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
if (!mode && ret >= 0) {
if (value < 0)
@@ -659,7 +700,8 @@ int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
if (value > 0xffff)
value = 0xffff;
buf = (value >> 10) & 0x3F;
- ret = SendControlMsg(SET_LUM_CTL, PRESET_AGC_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
}
if (ret < 0)
return ret;
@@ -671,12 +713,14 @@ int pwc_get_agc(struct pwc_device *pdev, int *value)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, AGC_MODE_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf != 0) { /* fixed */
- ret = RecvControlMsg(GET_LUM_CTL, PRESET_AGC_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf > 0x3F)
@@ -684,7 +728,8 @@ int pwc_get_agc(struct pwc_device *pdev, int *value)
*value = (buf << 10);
}
else { /* auto */
- ret = RecvControlMsg(GET_STATUS_CTL, READ_AGC_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, READ_AGC_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
/* Gah... this value ranges from 0x00 ... 0x9F */
@@ -707,7 +752,8 @@ int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
else
buf[0] = 0xff; /* fixed */
- ret = SendControlMsg(SET_LUM_CTL, SHUTTER_MODE_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, SHUTTER_MODE_FORMATTER, &buf, sizeof(buf));
if (!mode && ret >= 0) {
if (value < 0)
@@ -726,7 +772,9 @@ int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
buf[0] = value >> 8;
}
- ret = SendControlMsg(SET_LUM_CTL, PRESET_SHUTTER_FORMATTER, 2);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, PRESET_SHUTTER_FORMATTER,
+ &buf, sizeof(buf));
}
return ret;
}
@@ -737,7 +785,8 @@ int pwc_get_shutter_speed(struct pwc_device *pdev, int *value)
unsigned char buf[2];
int ret;
- ret = RecvControlMsg(GET_STATUS_CTL, READ_SHUTTER_FORMATTER, 2);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, READ_SHUTTER_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf[0] + (buf[1] << 8);
@@ -764,7 +813,9 @@ int pwc_camera_power(struct pwc_device *pdev, int power)
buf = 0x00; /* active */
else
buf = 0xFF; /* power save */
- return SendControlMsg(SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER,
+ &buf, sizeof(buf));
}
@@ -773,20 +824,20 @@ int pwc_camera_power(struct pwc_device *pdev, int power)
int pwc_restore_user(struct pwc_device *pdev)
{
- char buf; /* dummy */
- return SendControlMsg(SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, 0);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, NULL, 0);
}
int pwc_save_user(struct pwc_device *pdev)
{
- char buf; /* dummy */
- return SendControlMsg(SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, 0);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, NULL, 0);
}
int pwc_restore_factory(struct pwc_device *pdev)
{
- char buf; /* dummy */
- return SendControlMsg(SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, 0);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, NULL, 0);
}
/* ************************************************* */
@@ -814,7 +865,8 @@ int pwc_set_awb(struct pwc_device *pdev, int mode)
buf = mode & 0x07; /* just the lowest three bits */
- ret = SendControlMsg(SET_CHROM_CTL, WB_MODE_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
@@ -826,7 +878,8 @@ int pwc_get_awb(struct pwc_device *pdev)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_CHROM_CTL, WB_MODE_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
@@ -843,7 +896,9 @@ int pwc_set_red_gain(struct pwc_device *pdev, int value)
value = 0xffff;
/* only the msb is considered */
buf = value >> 8;
- return SendControlMsg(SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
+ &buf, sizeof(buf));
}
int pwc_get_red_gain(struct pwc_device *pdev, int *value)
@@ -851,7 +906,9 @@ int pwc_get_red_gain(struct pwc_device *pdev, int *value)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
@@ -869,7 +926,9 @@ int pwc_set_blue_gain(struct pwc_device *pdev, int value)
value = 0xffff;
/* only the msb is considered */
buf = value >> 8;
- return SendControlMsg(SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
+ &buf, sizeof(buf));
}
int pwc_get_blue_gain(struct pwc_device *pdev, int *value)
@@ -877,7 +936,9 @@ int pwc_get_blue_gain(struct pwc_device *pdev, int *value)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
@@ -894,7 +955,8 @@ static int pwc_read_red_gain(struct pwc_device *pdev, int *value)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
@@ -906,7 +968,8 @@ static int pwc_read_blue_gain(struct pwc_device *pdev, int *value)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
@@ -920,7 +983,8 @@ static int pwc_set_wb_speed(struct pwc_device *pdev, int speed)
/* useful range is 0x01..0x20 */
buf = speed / 0x7f0;
- return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
}
static int pwc_get_wb_speed(struct pwc_device *pdev, int *value)
@@ -928,7 +992,8 @@ static int pwc_get_wb_speed(struct pwc_device *pdev, int *value)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf * 0x7f0;
@@ -942,7 +1007,8 @@ static int pwc_set_wb_delay(struct pwc_device *pdev, int delay)
/* useful range is 0x01..0x3F */
buf = (delay >> 10);
- return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
}
static int pwc_get_wb_delay(struct pwc_device *pdev, int *value)
@@ -950,7 +1016,8 @@ static int pwc_get_wb_delay(struct pwc_device *pdev, int *value)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 10;
@@ -978,7 +1045,8 @@ int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
buf[0] = on_value;
buf[1] = off_value;
- return SendControlMsg(SET_STATUS_CTL, LED_FORMATTER, 2);
+ return send_control_msg(pdev,
+ SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
}
static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
@@ -992,7 +1060,8 @@ static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
return 0;
}
- ret = RecvControlMsg(GET_STATUS_CTL, LED_FORMATTER, 2);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*on_value = buf[0] * 100;
@@ -1009,7 +1078,8 @@ int pwc_set_contour(struct pwc_device *pdev, int contour)
buf = 0xff; /* auto contour on */
else
buf = 0x0; /* auto contour off */
- ret = SendControlMsg(SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
@@ -1019,7 +1089,8 @@ int pwc_set_contour(struct pwc_device *pdev, int contour)
contour = 0xffff;
buf = (contour >> 10); /* contour preset is [0..3f] */
- ret = SendControlMsg(SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1);
+ ret = send_control_msg(pdev,
+ SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return 0;
@@ -1030,13 +1101,16 @@ int pwc_get_contour(struct pwc_device *pdev, int *contour)
unsigned char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf == 0) {
/* auto mode off, query current preset value */
- ret = RecvControlMsg(GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, PRESET_CONTOUR_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*contour = buf << 10;
@@ -1055,7 +1129,9 @@ int pwc_set_backlight(struct pwc_device *pdev, int backlight)
buf = 0xff;
else
buf = 0x0;
- return SendControlMsg(SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
+ &buf, sizeof(buf));
}
int pwc_get_backlight(struct pwc_device *pdev, int *backlight)
@@ -1063,7 +1139,9 @@ int pwc_get_backlight(struct pwc_device *pdev, int *backlight)
int ret;
unsigned char buf;
- ret = RecvControlMsg(GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*backlight = !!buf;
@@ -1078,7 +1156,8 @@ int pwc_set_colour_mode(struct pwc_device *pdev, int colour)
buf = 0xff;
else
buf = 0x0;
- return SendControlMsg(SET_CHROM_CTL, COLOUR_MODE_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
}
int pwc_get_colour_mode(struct pwc_device *pdev, int *colour)
@@ -1086,7 +1165,8 @@ int pwc_get_colour_mode(struct pwc_device *pdev, int *colour)
int ret;
unsigned char buf;
- ret = RecvControlMsg(GET_CHROM_CTL, COLOUR_MODE_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*colour = !!buf;
@@ -1102,7 +1182,8 @@ int pwc_set_flicker(struct pwc_device *pdev, int flicker)
buf = 0xff;
else
buf = 0x0;
- return SendControlMsg(SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
}
int pwc_get_flicker(struct pwc_device *pdev, int *flicker)
@@ -1110,7 +1191,8 @@ int pwc_get_flicker(struct pwc_device *pdev, int *flicker)
int ret;
unsigned char buf;
- ret = RecvControlMsg(GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*flicker = !!buf;
@@ -1126,7 +1208,9 @@ int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise)
if (noise > 3)
noise = 3;
buf = noise;
- return SendControlMsg(SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
+ &buf, sizeof(buf));
}
int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise)
@@ -1134,7 +1218,9 @@ int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise)
int ret;
unsigned char buf;
- ret = RecvControlMsg(GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1);
+ ret = recv_control_msg(pdev,
+ GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
+ &buf, sizeof(buf));
if (ret < 0)
return ret;
*noise = buf;
@@ -1146,7 +1232,8 @@ static int _pwc_mpt_reset(struct pwc_device *pdev, int flags)
unsigned char buf;
buf = flags & 0x03; // only lower two bits are currently used
- return SendControlMsg(SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, 1);
+ return send_control_msg(pdev,
+ SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, &buf, sizeof(buf));
}
int pwc_mpt_reset(struct pwc_device *pdev, int flags)
@@ -1175,7 +1262,8 @@ static int _pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
buf[1] = (pan >> 8) & 0xFF;
buf[2] = tilt & 0xFF;
buf[3] = (tilt >> 8) & 0xFF;
- return SendControlMsg(SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, 4);
+ return send_control_msg(pdev,
+ SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, &buf, sizeof(buf));
}
int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
@@ -1211,7 +1299,8 @@ static int pwc_mpt_get_status(struct pwc_device *pdev, struct pwc_mpt_status *st
int ret;
unsigned char buf[5];
- ret = RecvControlMsg(GET_MPT_CTL, PT_STATUS_FORMATTER, 5);
+ ret = recv_control_msg(pdev,
+ GET_MPT_CTL, PT_STATUS_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
status->status = buf[0] & 0x7; // 3 bits are used for reporting
@@ -1233,7 +1322,8 @@ int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
else
request = SENSOR_TYPE_FORMATTER2;
- ret = RecvControlMsg(GET_STATUS_CTL, request, 1);
+ ret = recv_control_msg(pdev,
+ GET_STATUS_CTL, request, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (pdev->type < 675)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 34e6108e1d42..0fe434505ac4 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -3,7 +3,7 @@
*
* This driver supports USB CDC WCM Device Management.
*
- * Copyright (c) 2007-2008 Oliver Neukum
+ * Copyright (c) 2007-2009 Oliver Neukum
*
* Some code taken from cdc-acm.c
*
@@ -610,7 +610,7 @@ static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id)
if (!buffer)
goto out;
- while (buflen > 0) {
+ while (buflen > 2) {
if (buffer [1] != USB_DT_CS_INTERFACE) {
dev_err(&intf->dev, "skipping garbage\n");
goto next_desc;
@@ -646,16 +646,18 @@ next_desc:
spin_lock_init(&desc->iuspin);
init_waitqueue_head(&desc->wait);
desc->wMaxCommand = maxcom;
+ /* this will be expanded and needed in hardware endianness */
desc->inum = cpu_to_le16((u16)intf->cur_altsetting->desc.bInterfaceNumber);
desc->intf = intf;
INIT_WORK(&desc->rxwork, wdm_rxwork);
- iface = &intf->altsetting[0];
- ep = &iface->endpoint[0].desc;
- if (!ep || !usb_endpoint_is_int_in(ep)) {
- rv = -EINVAL;
+ rv = -EINVAL;
+ iface = intf->cur_altsetting;
+ if (iface->desc.bNumEndpoints != 1)
+ goto err;
+ ep = &iface->endpoint[0].desc;
+ if (!ep || !usb_endpoint_is_int_in(ep))
goto err;
- }
desc->wMaxPacketSize = le16_to_cpu(ep->wMaxPacketSize);
desc->bMaxPacketSize0 = udev->descriptor.bMaxPacketSize0;
@@ -711,12 +713,19 @@ next_desc:
usb_set_intfdata(intf, desc);
rv = usb_register_dev(intf, &wdm_class);
- dev_info(&intf->dev, "cdc-wdm%d: USB WDM device\n",
- intf->minor - WDM_MINOR_BASE);
if (rv < 0)
- goto err;
+ goto err3;
+ else
+ dev_info(&intf->dev, "cdc-wdm%d: USB WDM device\n",
+ intf->minor - WDM_MINOR_BASE);
out:
return rv;
+err3:
+ usb_set_intfdata(intf, NULL);
+ usb_buffer_free(interface_to_usbdev(desc->intf),
+ desc->bMaxPacketSize0,
+ desc->inbuf,
+ desc->response->transfer_dma);
err2:
usb_buffer_free(interface_to_usbdev(desc->intf),
desc->wMaxPacketSize,
diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index cadb2dc1d28a..3ba2fff71490 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -119,7 +119,7 @@ void *hcd_buffer_alloc(
if (size <= pool_max [i])
return dma_pool_alloc(hcd->pool [i], mem_flags, dma);
}
- return dma_alloc_coherent(hcd->self.controller, size, dma, 0);
+ return dma_alloc_coherent(hcd->self.controller, size, dma, mem_flags);
}
void hcd_buffer_free(
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 22c65960c429..38e531ecae4d 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -51,6 +51,7 @@
* - Gadget API (majority of optional features)
* - Suspend & Remote Wakeup
*/
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/dmapool.h>
#include <linux/dma-mapping.h>
@@ -142,7 +143,7 @@ static struct {
#define CAP_DEVICEADDR (0x014UL)
#define CAP_ENDPTLISTADDR (0x018UL)
#define CAP_PORTSC (0x044UL)
-#define CAP_DEVLC (0x0B4UL)
+#define CAP_DEVLC (0x084UL)
#define CAP_USBMODE (hw_bank.lpm ? 0x0C8UL : 0x068UL)
#define CAP_ENDPTSETUPSTAT (hw_bank.lpm ? 0x0D8UL : 0x06CUL)
#define CAP_ENDPTPRIME (hw_bank.lpm ? 0x0DCUL : 0x070UL)
@@ -1986,6 +1987,8 @@ static int ep_enable(struct usb_ep *ep,
do {
dbg_event(_usb_addr(mEp), "ENABLE", 0);
+ mEp->qh[mEp->dir].ptr->cap = 0;
+
if (mEp->type == USB_ENDPOINT_XFER_CONTROL)
mEp->qh[mEp->dir].ptr->cap |= QH_IOS;
else if (mEp->type == USB_ENDPOINT_XFER_ISOC)
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 5c030b080d4c..381a53b3e11c 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -738,7 +738,6 @@ static struct fsg_dev *the_fsg;
static struct usb_gadget_driver fsg_driver;
static void close_backing_file(struct lun *curlun);
-static void close_all_backing_files(struct fsg_dev *fsg);
/*-------------------------------------------------------------------------*/
@@ -3593,12 +3592,10 @@ static int fsg_main_thread(void *fsg_)
fsg->thread_task = NULL;
spin_unlock_irq(&fsg->lock);
- /* In case we are exiting because of a signal, unregister the
- * gadget driver and close the backing file. */
- if (test_and_clear_bit(REGISTERED, &fsg->atomic_bitflags)) {
+ /* If we are exiting because of a signal, unregister the
+ * gadget driver. */
+ if (test_and_clear_bit(REGISTERED, &fsg->atomic_bitflags))
usb_gadget_unregister_driver(&fsg_driver);
- close_all_backing_files(fsg);
- }
/* Let the unbind and cleanup routines know the thread has exited */
complete_and_exit(&fsg->thread_notifier, 0);
@@ -3703,14 +3700,6 @@ static void close_backing_file(struct lun *curlun)
}
}
-static void close_all_backing_files(struct fsg_dev *fsg)
-{
- int i;
-
- for (i = 0; i < fsg->nluns; ++i)
- close_backing_file(&fsg->luns[i]);
-}
-
static ssize_t show_ro(struct device *dev, struct device_attribute *attr, char *buf)
{
@@ -3845,6 +3834,7 @@ static void /* __init_or_exit */ fsg_unbind(struct usb_gadget *gadget)
if (curlun->registered) {
device_remove_file(&curlun->dev, &dev_attr_ro);
device_remove_file(&curlun->dev, &dev_attr_file);
+ close_backing_file(curlun);
device_unregister(&curlun->dev);
curlun->registered = 0;
}
@@ -4190,7 +4180,6 @@ autoconf_fail:
out:
fsg->state = FSG_STATE_TERMINATED; // The thread is dead
fsg_unbind(gadget);
- close_all_backing_files(fsg);
complete(&fsg->thread_notifier);
return rc;
}
@@ -4284,7 +4273,6 @@ static void __exit fsg_cleanup(void)
/* Wait for the thread to finish up */
wait_for_completion(&fsg->thread_notifier);
- close_all_backing_files(fsg);
kref_put(&fsg->ref, fsg_release);
}
module_exit(fsg_cleanup);
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 57d9641c6bf8..a2db0e174f2c 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -3104,7 +3104,6 @@ static int omap_udc_resume(struct platform_device *dev)
/*-------------------------------------------------------------------------*/
static struct platform_driver udc_driver = {
- .probe = omap_udc_probe,
.remove = __exit_p(omap_udc_remove),
.suspend = omap_udc_suspend,
.resume = omap_udc_resume,
@@ -3122,7 +3121,7 @@ static int __init udc_init(void)
#endif
"%s\n", driver_desc,
use_dma ? " (dma)" : "");
- return platform_driver_register(&udc_driver);
+ return platform_driver_probe(&udc_driver, omap_udc_probe);
}
module_init(udc_init);
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index ada5d2ba297b..556d0ec0c1f8 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -323,7 +323,7 @@ static int tt_available (
* already scheduled transactions
*/
if (125 < usecs) {
- int ufs = (usecs / 125) - 1;
+ int ufs = (usecs / 125);
int i;
for (i = uframe; i < (uframe + ufs) && i < 8; i++)
if (0 < tt_usecs[i]) {
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 0112353ec97d..4000cf6d1e81 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2191,7 +2191,7 @@ static int musb_resume_early(struct platform_device *pdev)
#else
#define musb_suspend NULL
-#define musb_resume NULL
+#define musb_resume_early NULL
#endif
static struct platform_driver musb_driver = {
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 901dffdf23b1..60924ce08493 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -3,7 +3,6 @@
* Some code has been taken from tusb6010.c
* Copyrights for that are attributable to:
* Copyright (C) 2006 Nokia Corporation
- * Jarkko Nikula <jarkko.nikula@nokia.com>
* Tony Lindgren <tony@atomide.com>
*
* This file is part of the Inventra Controller Driver for Linux.
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index 9e20fd070d71..4ac1477d3569 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -2,7 +2,6 @@
* TUSB6010 USB 2.0 OTG Dual Role controller
*
* Copyright (C) 2006 Nokia Corporation
- * Jarkko Nikula <jarkko.nikula@nokia.com>
* Tony Lindgren <tony@atomide.com>
*
* This program is free software; you can redistribute it and/or modify
diff --git a/drivers/usb/musb/tusb6010.h b/drivers/usb/musb/tusb6010.h
index ab8c96286ce6..35c933a5d991 100644
--- a/drivers/usb/musb/tusb6010.h
+++ b/drivers/usb/musb/tusb6010.h
@@ -2,7 +2,6 @@
* Definitions for TUSB6010 USB 2.0 OTG Dual Role controller
*
* Copyright (C) 2006 Nokia Corporation
- * Jarkko Nikula <jarkko.nikula@nokia.com>
* Tony Lindgren <tony@atomide.com>
*
* This program is free software; you can redistribute it and/or modify
diff --git a/drivers/usb/otg/otg.c b/drivers/usb/otg/otg.c
index ff318fae7d4d..0a43a7db750f 100644
--- a/drivers/usb/otg/otg.c
+++ b/drivers/usb/otg/otg.c
@@ -43,7 +43,8 @@ EXPORT_SYMBOL(otg_get_transceiver);
*/
void otg_put_transceiver(struct otg_transceiver *x)
{
- put_device(x->dev);
+ if (x)
+ put_device(x->dev);
}
EXPORT_SYMBOL(otg_put_transceiver);
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 858bdd038fbc..dd501bb63ed6 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -175,13 +175,6 @@ static int cyberjack_open(struct tty_struct *tty,
dbg("%s - usb_clear_halt", __func__);
usb_clear_halt(port->serial->dev, port->write_urb->pipe);
- /* force low_latency on so that our tty_push actually forces
- * the data through, otherwise it is scheduled, and with high
- * data rates (like with OHCI) data can get lost.
- */
- if (tty)
- tty->low_latency = 1;
-
priv = usb_get_serial_port_data(port);
spin_lock_irqsave(&priv->lock, flags);
priv->rdtodo = 0;
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index eae4740d448c..e568710b263f 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -656,10 +656,6 @@ static int cypress_open(struct tty_struct *tty,
priv->rx_flags = 0;
spin_unlock_irqrestore(&priv->lock, flags);
- /* setting to zero could cause data loss */
- if (tty)
- tty->low_latency = 1;
-
/* raise both lines and set termios */
spin_lock_irqsave(&priv->lock, flags);
priv->line_control = CONTROL_DTR | CONTROL_RTS;
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index 8a69cce40b6d..c709ec474a80 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -478,12 +478,6 @@ static void empeg_set_termios(struct tty_struct *tty,
termios->c_cflag
|= CS8; /* character size 8 bits */
- /*
- * Force low_latency on; otherwise the pushes are scheduled;
- * this is bad as it opens up the possibility of dropping bytes
- * on the floor. We don't want to drop bytes on the floor. :)
- */
- tty->low_latency = 1;
tty_encode_baud_rate(tty, 115200, 115200);
}
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index a26a0e2cdb4a..586d30ff450b 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -973,14 +973,6 @@ static int garmin_open(struct tty_struct *tty,
dbg("%s - port %d", __func__, port->number);
- /*
- * Force low_latency on so that our tty_push actually forces the data
- * through, otherwise it is scheduled, and with high data rates (like
- * with OHCI) data can get lost.
- */
- if (tty)
- tty->low_latency = 1;
-
spin_lock_irqsave(&garmin_data_p->lock, flags);
garmin_data_p->mode = initial_mode;
garmin_data_p->count = 0;
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 9d57cace3731..4cec9906ccf3 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -122,12 +122,6 @@ int usb_serial_generic_open(struct tty_struct *tty,
dbg("%s - port %d", __func__, port->number);
- /* force low_latency on so that our tty_push actually forces the data
- through, otherwise it is scheduled, and with high data rates (like
- with OHCI) data can get lost. */
- if (tty)
- tty->low_latency = 1;
-
/* clear the throttle flags */
spin_lock_irqsave(&port->lock, flags);
port->throttled = 0;
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index e85c8c0d1ad9..fb4a73d090f6 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -193,8 +193,6 @@ static const struct divisor_table_entry divisor_table[] = {
/* local variables */
static int debug;
-static int low_latency = 1; /* tty low latency flag, on by default */
-
static atomic_t CmdUrbs; /* Number of outstanding Command Write Urbs */
@@ -867,9 +865,6 @@ static int edge_open(struct tty_struct *tty,
if (edge_port == NULL)
return -ENODEV;
- if (tty)
- tty->low_latency = low_latency;
-
/* see if we've set up our endpoint info yet (can't set it up
in edge_startup as the structures were not set up at that time.) */
serial = port->serial;
@@ -3299,6 +3294,3 @@ MODULE_FIRMWARE("edgeport/down2.fw");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
-
-module_param(low_latency, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(low_latency, "Low latency enabled or not");
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index c3cdd00ddc41..513b25e044c1 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -76,7 +76,6 @@ struct edgeport_uart_buf_desc {
#define EDGE_READ_URB_STOPPING 1
#define EDGE_READ_URB_STOPPED 2
-#define EDGE_LOW_LATENCY 1
#define EDGE_CLOSING_WAIT 4000 /* in .01 sec */
#define EDGE_OUT_BUF_SIZE 1024
@@ -232,7 +231,6 @@ static unsigned short OperationalBuildNumber;
static int debug;
-static int low_latency = EDGE_LOW_LATENCY;
static int closing_wait = EDGE_CLOSING_WAIT;
static int ignore_cpu_rev;
static int default_uart_mode; /* RS232 */
@@ -1850,9 +1848,6 @@ static int edge_open(struct tty_struct *tty,
if (edge_port == NULL)
return -ENODEV;
- if (tty)
- tty->low_latency = low_latency;
-
port_number = port->number - port->serial->minor;
switch (port_number) {
case 0:
@@ -3008,9 +3003,6 @@ MODULE_FIRMWARE("edgeport/down3.bin");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
-module_param(low_latency, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(low_latency, "Low latency enabled or not");
-
module_param(closing_wait, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(closing_wait, "Maximum wait for data to drain, in .01 secs");
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index ef92095b0732..cd62825a9ac3 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -631,13 +631,7 @@ static int ipaq_open(struct tty_struct *tty,
priv->free_len += PACKET_SIZE;
}
- /*
- * Force low latency on. This will immediately push data to the line
- * discipline instead of queueing.
- */
-
if (tty) {
- tty->low_latency = 1;
/* FIXME: These two are bogus */
tty->raw = 1;
tty->real_raw = 1;
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index f530032ed93d..da2a2b46644a 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -207,9 +207,6 @@ static int ipw_open(struct tty_struct *tty,
if (!buf_flow_init)
return -ENOMEM;
- if (tty)
- tty->low_latency = 1;
-
/* --1: Tell the modem to initialize (we think) From sniffs this is
* always the first thing that gets sent to the modem during
* opening of the device */
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 2314c6ae4fc2..4473d442b2aa 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -1051,7 +1051,6 @@ static int iuu_open(struct tty_struct *tty,
tty->termios->c_oflag = 0;
tty->termios->c_iflag = 0;
priv->termios_initialized = 1;
- tty->low_latency = 1;
priv->poll = 0;
}
spin_unlock_irqrestore(&priv->lock, flags);
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 6286baad9392..c148544953b3 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -231,13 +231,7 @@ static int kobil_open(struct tty_struct *tty,
/* someone sets the dev to 0 if the close method has been called */
port->interrupt_in_urb->dev = port->serial->dev;
-
- /* force low_latency on so that our tty_push actually forces
- * the data through, otherwise it is scheduled, and with high
- * data rates (like with OHCI) data can get lost.
- */
if (tty) {
- tty->low_latency = 1;
/* Default to echo off and other sane device settings */
tty->termios->c_lflag = 0;
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index e772cc0a97fd..24e3b5d4b4d4 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -446,13 +446,6 @@ static int mos7720_open(struct tty_struct *tty,
data = 0x0c;
send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
- /* force low_latency on so that our tty_push actually forces *
- * the data through,otherwise it is scheduled, and with *
- * high data rates (like with OHCI) data can get lost. */
-
- if (tty)
- tty->low_latency = 1;
-
/* see if we've set up our endpoint info yet *
* (can't set it up in mos7720_startup as the *
* structures were not set up at that time.) */
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 2c20e88a91b3..84fb1dcd30dc 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -38,7 +38,7 @@
/*
* Version Information
*/
-#define DRIVER_VERSION "1.3.1"
+#define DRIVER_VERSION "1.3.2"
#define DRIVER_DESC "Moschip 7840/7820 USB Serial Driver"
/*
@@ -123,6 +123,11 @@
#define BANDB_DEVICE_ID_USOPTL4_4 0xAC44
#define BANDB_DEVICE_ID_USOPTL4_2 0xAC42
+/* This driver also supports the ATEN UC2324 device since it is mos7840 based
+ * - if I knew the device id it would also support the ATEN UC2322 */
+#define USB_VENDOR_ID_ATENINTL 0x0557
+#define ATENINTL_DEVICE_ID_UC2324 0x2011
+
/* Interrupt Routine Defines */
#define SERIAL_IIR_RLS 0x06
@@ -170,6 +175,7 @@ static struct usb_device_id moschip_port_id_table[] = {
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2)},
+ {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)},
{} /* terminating entry */
};
@@ -178,6 +184,7 @@ static __devinitdata struct usb_device_id moschip_id_table_combined[] = {
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2)},
+ {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)},
{} /* terminating entry */
};
@@ -1000,12 +1007,6 @@ static int mos7840_open(struct tty_struct *tty,
status = mos7840_set_reg_sync(port, mos7840_port->ControlRegOffset,
Data);
- /* force low_latency on so that our tty_push actually forces *
- * the data through,otherwise it is scheduled, and with *
- * high data rates (like with OHCI) data can get lost. */
- if (tty)
- tty->low_latency = 1;
-
/* Check to see if we've set up our endpoint info yet *
* (can't set it up in mos7840_startup as the structures *
* were not set up at that time.) */
@@ -2477,9 +2478,14 @@ static int mos7840_startup(struct usb_serial *serial)
mos7840_set_port_private(serial->port[i], mos7840_port);
spin_lock_init(&mos7840_port->pool_lock);
- mos7840_port->port_num = ((serial->port[i]->number -
- (serial->port[i]->serial->minor)) +
- 1);
+ /* minor is not initialised until later by
+ * usb-serial.c:get_free_serial() and cannot therefore be used
+ * to index device instances */
+ mos7840_port->port_num = i + 1;
+ dbg ("serial->port[i]->number = %d", serial->port[i]->number);
+ dbg ("serial->port[i]->serial->minor = %d", serial->port[i]->serial->minor);
+ dbg ("mos7840_port->port_num = %d", mos7840_port->port_num);
+ dbg ("serial->minor = %d", serial->minor);
if (mos7840_port->port_num == 1) {
mos7840_port->SpRegOffset = 0x0;
@@ -2690,13 +2696,16 @@ static void mos7840_shutdown(struct usb_serial *serial)
for (i = 0; i < serial->num_ports; ++i) {
mos7840_port = mos7840_get_port_private(serial->port[i]);
- spin_lock_irqsave(&mos7840_port->pool_lock, flags);
- mos7840_port->zombie = 1;
- spin_unlock_irqrestore(&mos7840_port->pool_lock, flags);
- usb_kill_urb(mos7840_port->control_urb);
- kfree(mos7840_port->ctrl_buf);
- kfree(mos7840_port->dr);
- kfree(mos7840_port);
+ dbg ("mos7840_port %d = %p", i, mos7840_port);
+ if (mos7840_port) {
+ spin_lock_irqsave(&mos7840_port->pool_lock, flags);
+ mos7840_port->zombie = 1;
+ spin_unlock_irqrestore(&mos7840_port->pool_lock, flags);
+ usb_kill_urb(mos7840_port->control_urb);
+ kfree(mos7840_port->ctrl_buf);
+ kfree(mos7840_port->dr);
+ kfree(mos7840_port);
+ }
mos7840_set_port_private(serial->port[i], NULL);
}
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 839583dc8b6a..b500ad10b758 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -159,14 +159,6 @@ static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port,
priv->port = port;
spin_unlock_irqrestore(&priv->lock, flags);
- /*
- * Force low_latency on so that our tty_push actually forces the data
- * through, otherwise it is scheduled, and with high data rates (like
- * with OHCI) data can get lost.
- */
- if (tty)
- tty->low_latency = 1;
-
/* Start reading from the device */
usb_fill_bulk_urb(priv->bulk_read_urb, priv->udev,
usb_rcvbulkpipe(priv->udev,
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 47bd070f24b7..7817b82889ca 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -936,9 +936,6 @@ static int option_open(struct tty_struct *tty,
usb_pipeout(urb->pipe), 0); */
}
- if (tty)
- tty->low_latency = 1;
-
option_send_setup(tty, port);
return 0;
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index d9bf9a5c20ec..913225c61610 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -14,7 +14,7 @@
Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org>
*/
-#define DRIVER_VERSION "v.1.3.2"
+#define DRIVER_VERSION "v.1.3.3"
#define DRIVER_AUTHOR "Kevin Lloyd <klloyd@sierrawireless.com>"
#define DRIVER_DESC "USB Driver for Sierra Wireless USB modems"
@@ -259,9 +259,21 @@ static int sierra_send_setup(struct tty_struct *tty,
val |= 0x02;
/* If composite device then properly report interface */
- if (serial->num_ports == 1)
+ if (serial->num_ports == 1) {
interface = sierra_calc_interface(serial);
+ /* Control message is sent only to interfaces with
+ * interrupt_in endpoints
+ */
+ if (port->interrupt_in_urb) {
+ /* send control message */
+ return usb_control_msg(serial->dev,
+ usb_rcvctrlpipe(serial->dev, 0),
+ 0x22, 0x21, val, interface,
+ NULL, 0, USB_CTRL_SET_TIMEOUT);
+ }
+ }
+
/* Otherwise the need to do non-composite mapping */
else {
if (port->bulk_out_endpointAddress == 2)
@@ -270,12 +282,13 @@ static int sierra_send_setup(struct tty_struct *tty,
interface = 1;
else if (port->bulk_out_endpointAddress == 5)
interface = 2;
- }
- return usb_control_msg(serial->dev,
+ return usb_control_msg(serial->dev,
usb_rcvctrlpipe(serial->dev, 0),
0x22, 0x21, val, interface,
NULL, 0, USB_CTRL_SET_TIMEOUT);
+
+ }
}
return 0;
@@ -585,9 +598,6 @@ static int sierra_open(struct tty_struct *tty,
}
}
- if (tty)
- tty->low_latency = 1;
-
sierra_send_setup(tty, port);
/* start up the interrupt endpoint if we have one */
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 9c4c700c7cc6..0a64bac306ee 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -50,11 +50,10 @@
#define TI_TRANSFER_TIMEOUT 2
-#define TI_DEFAULT_LOW_LATENCY 0
#define TI_DEFAULT_CLOSING_WAIT 4000 /* in .01 secs */
/* supported setserial flags */
-#define TI_SET_SERIAL_FLAGS (ASYNC_LOW_LATENCY)
+#define TI_SET_SERIAL_FLAGS 0
/* read urb states */
#define TI_READ_URB_RUNNING 0
@@ -161,7 +160,6 @@ static int ti_buf_get(struct circ_buf *cb, char *buf, int count);
/* module parameters */
static int debug;
-static int low_latency = TI_DEFAULT_LOW_LATENCY;
static int closing_wait = TI_DEFAULT_CLOSING_WAIT;
static ushort vendor_3410[TI_EXTRA_VID_PID_COUNT];
static unsigned int vendor_3410_count;
@@ -296,10 +294,6 @@ MODULE_FIRMWARE("mts_edge.fw");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Enable debugging, 0=no, 1=yes");
-module_param(low_latency, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(low_latency,
- "TTY low_latency flag, 0=off, 1=on, default is off");
-
module_param(closing_wait, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(closing_wait,
"Maximum wait for data to drain in close, in .01 secs, default is 4000");
@@ -448,7 +442,6 @@ static int ti_startup(struct usb_serial *serial)
spin_lock_init(&tport->tp_lock);
tport->tp_uart_base_addr = (i == 0 ?
TI_UART1_BASE_ADDR : TI_UART2_BASE_ADDR);
- tport->tp_flags = low_latency ? ASYNC_LOW_LATENCY : 0;
tport->tp_closing_wait = closing_wait;
init_waitqueue_head(&tport->tp_msr_wait);
init_waitqueue_head(&tport->tp_write_wait);
@@ -528,10 +521,6 @@ static int ti_open(struct tty_struct *tty,
if (mutex_lock_interruptible(&tdev->td_open_close_lock))
return -ERESTARTSYS;
- if (tty)
- tty->low_latency =
- (tport->tp_flags & ASYNC_LOW_LATENCY) ? 1 : 0;
-
port_number = port->number - port->serial->minor;
memset(&(tport->tp_icount), 0x00, sizeof(tport->tp_icount));
@@ -1454,7 +1443,6 @@ static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport,
return -EFAULT;
tport->tp_flags = new_serial.flags & TI_SET_SERIAL_FLAGS;
- tty->low_latency = (tport->tp_flags & ASYNC_LOW_LATENCY) ? 1 : 0;
tport->tp_closing_wait = new_serial.closing_wait;
return 0;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 2a70563bbee1..0a566eea49c0 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -137,22 +137,10 @@ static void destroy_serial(struct kref *kref)
dbg("%s - %s", __func__, serial->type->description);
- serial->type->shutdown(serial);
-
/* return the minor range that this device had */
if (serial->minor != SERIAL_TTY_NO_MINOR)
return_serial(serial);
- for (i = 0; i < serial->num_ports; ++i)
- serial->port[i]->port.count = 0;
-
- /* the ports are cleaned up and released in port_release() */
- for (i = 0; i < serial->num_ports; ++i)
- if (serial->port[i]->dev.parent != NULL) {
- device_unregister(&serial->port[i]->dev);
- serial->port[i] = NULL;
- }
-
/* If this is a "fake" port, we have to clean it up here, as it will
* not get cleaned up in port_release() as it was never registered with
* the driver core */
@@ -187,7 +175,7 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
struct usb_serial *serial;
struct usb_serial_port *port;
unsigned int portNumber;
- int retval;
+ int retval = 0;
dbg("%s", __func__);
@@ -198,21 +186,24 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
return -ENODEV;
}
+ mutex_lock(&serial->disc_mutex);
portNumber = tty->index - serial->minor;
port = serial->port[portNumber];
- if (!port) {
+ if (!port || serial->disconnected)
retval = -ENODEV;
- goto bailout_kref_put;
- }
-
- if (port->serial->disconnected) {
- retval = -ENODEV;
- goto bailout_kref_put;
- }
+ else
+ get_device(&port->dev);
+ /*
+ * Note: Our locking order requirement does not allow port->mutex
+ * to be acquired while serial->disc_mutex is held.
+ */
+ mutex_unlock(&serial->disc_mutex);
+ if (retval)
+ goto bailout_serial_put;
if (mutex_lock_interruptible(&port->mutex)) {
retval = -ERESTARTSYS;
- goto bailout_kref_put;
+ goto bailout_port_put;
}
++port->port.count;
@@ -232,14 +223,20 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
goto bailout_mutex_unlock;
}
- retval = usb_autopm_get_interface(serial->interface);
+ mutex_lock(&serial->disc_mutex);
+ if (serial->disconnected)
+ retval = -ENODEV;
+ else
+ retval = usb_autopm_get_interface(serial->interface);
if (retval)
goto bailout_module_put;
+
/* only call the device specific open if this
* is the first time the port is opened */
retval = serial->type->open(tty, port, filp);
if (retval)
goto bailout_interface_put;
+ mutex_unlock(&serial->disc_mutex);
}
mutex_unlock(&port->mutex);
@@ -248,13 +245,16 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
bailout_interface_put:
usb_autopm_put_interface(serial->interface);
bailout_module_put:
+ mutex_unlock(&serial->disc_mutex);
module_put(serial->type->driver.owner);
bailout_mutex_unlock:
port->port.count = 0;
tty->driver_data = NULL;
tty_port_tty_set(&port->port, NULL);
mutex_unlock(&port->mutex);
-bailout_kref_put:
+bailout_port_put:
+ put_device(&port->dev);
+bailout_serial_put:
usb_serial_put(serial);
return retval;
}
@@ -262,6 +262,9 @@ bailout_kref_put:
static void serial_close(struct tty_struct *tty, struct file *filp)
{
struct usb_serial_port *port = tty->driver_data;
+ struct usb_serial *serial;
+ struct module *owner;
+ int count;
if (!port)
return;
@@ -269,6 +272,8 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
dbg("%s - port %d", __func__, port->number);
mutex_lock(&port->mutex);
+ serial = port->serial;
+ owner = serial->type->driver.owner;
if (port->port.count == 0) {
mutex_unlock(&port->mutex);
@@ -281,7 +286,7 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
* this before we drop the port count. The call is protected
* by the port mutex
*/
- port->serial->type->close(tty, port, filp);
+ serial->type->close(tty, port, filp);
if (port->port.count == (port->console ? 2 : 1)) {
struct tty_struct *tty = tty_port_tty_get(&port->port);
@@ -295,17 +300,23 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
}
}
- if (port->port.count == 1) {
- mutex_lock(&port->serial->disc_mutex);
- if (!port->serial->disconnected)
- usb_autopm_put_interface(port->serial->interface);
- mutex_unlock(&port->serial->disc_mutex);
- module_put(port->serial->type->driver.owner);
- }
--port->port.count;
-
+ count = port->port.count;
mutex_unlock(&port->mutex);
- usb_serial_put(port->serial);
+ put_device(&port->dev);
+
+ /* Mustn't dereference port any more */
+ if (count == 0) {
+ mutex_lock(&serial->disc_mutex);
+ if (!serial->disconnected)
+ usb_autopm_put_interface(serial->interface);
+ mutex_unlock(&serial->disc_mutex);
+ }
+ usb_serial_put(serial);
+
+ /* Mustn't dereference serial any more */
+ if (count == 0)
+ module_put(owner);
}
static int serial_write(struct tty_struct *tty, const unsigned char *buf,
@@ -549,7 +560,13 @@ static void kill_traffic(struct usb_serial_port *port)
static void port_free(struct usb_serial_port *port)
{
+ /*
+ * Stop all the traffic before cancelling the work, so that
+ * nobody will restart it by calling usb_serial_port_softint.
+ */
kill_traffic(port);
+ cancel_work_sync(&port->work);
+
usb_free_urb(port->read_urb);
usb_free_urb(port->write_urb);
usb_free_urb(port->interrupt_in_urb);
@@ -558,7 +575,6 @@ static void port_free(struct usb_serial_port *port)
kfree(port->bulk_out_buffer);
kfree(port->interrupt_in_buffer);
kfree(port->interrupt_out_buffer);
- flush_scheduled_work(); /* port->work */
kfree(port);
}
@@ -1043,6 +1059,12 @@ void usb_serial_disconnect(struct usb_interface *interface)
usb_set_intfdata(interface, NULL);
/* must set a flag, to signal subdrivers */
serial->disconnected = 1;
+ mutex_unlock(&serial->disc_mutex);
+
+ /* Unfortunately, many of the sub-drivers expect the port structures
+ * to exist when their shutdown method is called, so we have to go
+ * through this awkward two-step unregistration procedure.
+ */
for (i = 0; i < serial->num_ports; ++i) {
port = serial->port[i];
if (port) {
@@ -1052,11 +1074,21 @@ void usb_serial_disconnect(struct usb_interface *interface)
tty_kref_put(tty);
}
kill_traffic(port);
+ cancel_work_sync(&port->work);
+ device_del(&port->dev);
}
}
+ serial->type->shutdown(serial);
+ for (i = 0; i < serial->num_ports; ++i) {
+ port = serial->port[i];
+ if (port) {
+ put_device(&port->dev);
+ serial->port[i] = NULL;
+ }
+ }
+
/* let the last holder of this object
* cause it to be cleaned up */
- mutex_unlock(&serial->disc_mutex);
usb_serial_put(serial);
dev_info(dev, "device disconnected\n");
}
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 4facce3d9364..5ac414bda718 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -296,14 +296,6 @@ static int visor_open(struct tty_struct *tty, struct usb_serial_port *port,
priv->throttled = 0;
spin_unlock_irqrestore(&priv->lock, flags);
- /*
- * Force low_latency on so that our tty_push actually forces the data
- * through, otherwise it is scheduled, and with high data rates (like
- * with OHCI) data can get lost.
- */
- if (tty)
- tty->low_latency = 1;
-
/* Start reading from the device */
usb_fill_bulk_urb(port->read_urb, serial->dev,
usb_rcvbulkpipe(serial->dev,
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 96db479d1165..fa65a3b08601 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1851,6 +1851,12 @@ UNUSUAL_DEV( 0xed06, 0x4500, 0x0001, 0x0001,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_CAPACITY_HEURISTICS),
+/* Reported by Alessio Treglia <quadrispro@ubuntu.com> */
+UNUSUAL_DEV( 0xed10, 0x7636, 0x0001, 0x0001,
+ "TGE",
+ "Digital MP3 Audio Player",
+ US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE ),
+
/* Control/Bulk transport for all SubClass values */
USUAL_DEV(US_SC_RBC, US_PR_CB, USB_US_TYPE_STOR),
USUAL_DEV(US_SC_8020, US_PR_CB, USB_US_TYPE_STOR),
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index d6aad0ea6033..d43755669261 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -7,6 +7,9 @@
* key configuration differences between boards.
*/
+#ifndef __LINUX_USB_MUSB_H
+#define __LINUX_USB_MUSB_H
+
/* The USB role is defined by the connector used on the board, so long as
* standards are being followed. (Developer boards sometimes won't.)
*/
@@ -101,3 +104,5 @@ extern int __init tusb6010_setup_interface(
extern int tusb6010_platform_retime(unsigned is_refclk);
#endif /* OMAP2 */
+
+#endif /* __LINUX_USB_MUSB_H */