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usb: dwc2: detect device speed correctly

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This doesn't make my LS keyboard work any better, but it does at least
report the correct speed in "usb tree".

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
This commit is contained in:
Stephen Warren 2015-03-27 21:55:38 -06:00 committed by Marek Vasut
parent 5c0beb5c58
commit 4748cce573
2 changed files with 8 additions and 1 deletions
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6
drivers/usb/host/dwc2.c
View File

@ -463,7 +463,11 @@ static int dwc_otg_submit_rh_msg_in_status(struct usb_device *dev, void *buffer,
if (hprt0 & DWC2_HPRT0_PRTPWR)
port_status |= USB_PORT_STAT_POWER;
port_status |= USB_PORT_STAT_HIGH_SPEED;
if ((hprt0 & DWC2_HPRT0_PRTSPD_MASK) == DWC2_HPRT0_PRTSPD_LOW)
port_status |= USB_PORT_STAT_LOW_SPEED;
else if ((hprt0 & DWC2_HPRT0_PRTSPD_MASK) ==
DWC2_HPRT0_PRTSPD_HIGH)
port_status |= USB_PORT_STAT_HIGH_SPEED;
if (hprt0 & DWC2_HPRT0_PRTENCHNG)
port_change |= USB_PORT_STAT_C_ENABLE;

3
drivers/usb/host/dwc2.h
View File

@ -536,6 +536,9 @@ struct dwc2_core_regs {
#define DWC2_HPRT0_PRTPWR_OFFSET 12
#define DWC2_HPRT0_PRTTSTCTL_MASK (0xF << 13)
#define DWC2_HPRT0_PRTTSTCTL_OFFSET 13
#define DWC2_HPRT0_PRTSPD_HIGH (0 << 17)
#define DWC2_HPRT0_PRTSPD_FULL (1 << 17)
#define DWC2_HPRT0_PRTSPD_LOW (2 << 17)
#define DWC2_HPRT0_PRTSPD_MASK (0x3 << 17)
#define DWC2_HPRT0_PRTSPD_OFFSET 17
#define DWC2_HAINT_CH0 (1 << 0)