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rt2x00: Large vendor requests for rt73usb firmware upload and beacons

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Switches rt73usb to use large vendor requests for firmware
and beacons. This also fixes the garbled beacon bug.

Signed-off-by: Iwo Mergler <Iwo@call-direct.com.au>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Iwo Mergler 2008-07-19 16:17:16 +02:00 committed by John W. Linville
parent ed0dbeeb92
commit 3e0c1abe74
2 changed files with 9 additions and 32 deletions
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1
drivers/net/wireless/rt2x00/rt2x00usb.h
View File

@ -71,7 +71,6 @@
* Cache size
*/
#define CSR_CACHE_SIZE 64
#define CSR_CACHE_SIZE_FIRMWARE 64
/*
* USB request types.

40
drivers/net/wireless/rt2x00/rt73usb.c
View File

@ -890,9 +890,6 @@ static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data,
unsigned int i;
int status;
u32 reg;
const char *ptr = data;
char *cache;
int buflen;
/*
* Wait for stable hardware.
@ -911,31 +908,12 @@ static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data,
/*
* Write firmware to device.
* We setup a seperate cache for this action,
* since we are going to write larger chunks of data
* then normally used cache size.
*/
cache = kmalloc(CSR_CACHE_SIZE_FIRMWARE, GFP_KERNEL);
if (!cache) {
ERROR(rt2x00dev, "Failed to allocate firmware cache.\n");
return -ENOMEM;
}
for (i = 0; i < len; i += CSR_CACHE_SIZE_FIRMWARE) {
buflen = min_t(int, len - i, CSR_CACHE_SIZE_FIRMWARE);
memcpy(cache, ptr, buflen);
rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT,
FIRMWARE_IMAGE_BASE + i, 0,
cache, buflen,
REGISTER_TIMEOUT32(buflen));
ptr += buflen;
}
kfree(cache);
rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT,
FIRMWARE_IMAGE_BASE,
data, len,
REGISTER_TIMEOUT32(len));
/*
* Send firmware request to device to load firmware,
@ -1374,10 +1352,10 @@ static void rt73usb_write_beacon(struct queue_entry *entry)
* Write entire beacon with descriptor to register.
*/
beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT, beacon_base, 0,
entry->skb->data, entry->skb->len,
REGISTER_TIMEOUT32(entry->skb->len));
rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT, beacon_base,
entry->skb->data, entry->skb->len,
REGISTER_TIMEOUT32(entry->skb->len));
/*
* Clean up the beacon skb.