diff options
| author | Rajesh Bhagat <rajesh.bhagat@freescale.com> | 2015-11-20 07:15:31 (GMT) |
|---|---|---|
| committer | Rajesh Bhagat <rajesh.bhagat@freescale.com> | 2015-11-20 07:15:31 (GMT) |
| commit | 56afee9a0c0065d0359aa801f5bd33389bfbb2ee (patch) | |
| tree | c3beaedf6a78295fa4dc1139e56134eddc3d2a93 | |
| parent | 3f833069eba8c37974a42970490c1a35b1511689 (diff) | |
| download | linux-fsl-qoriq-56afee9a0c0065d0359aa801f5bd33389bfbb2ee.tar.xz | |
drivers: dwc3 : Add support for USB snooping
Add support for USB3 snooping by asserting bits
in register DWC3_GSBUSCFG0 for data and descriptor
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@freescale.com>
| -rw-r--r-- | drivers/usb/dwc3/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 1f81243..736f79a 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -500,6 +500,10 @@ static int dwc3_probe(struct platform_device *pdev) dwc3_writel(dwc->regs, DWC3_GSBUSCFG1, dwc3_readl(dwc->regs, DWC3_GSBUSCFG1) | 0xf00); + /* Enable Snooping */ + dwc3_writel(dwc->regs, DWC3_GSBUSCFG0, + dwc3_readl(dwc->regs, DWC3_GSBUSCFG0) | 0x22220000); + if (IS_ENABLED(CONFIG_USB_DWC3_HOST)) dwc->dr_mode = USB_DR_MODE_HOST; else if (IS_ENABLED(CONFIG_USB_DWC3_GADGET)) |