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| author | Felipe Balbi <balbi@ti.com> | 2011-10-07 22:55:04 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2011-12-12 11:48:10 +0200 |
| commit | 6c167fc9b0c23ead791edb94cf4debb6b8e534b5 (patch) | |
| tree | 1ee2f57ad99cc6a62085c0a433fbc56c17bbf284 /drivers/usb/dwc3/core.c | |
| parent | b2c2271c826589c5c5b285a5a32e158d36d263d9 (diff) | |
| download | linux-3.10-6c167fc9b0c23ead791edb94cf4debb6b8e534b5.tar.gz linux-3.10-6c167fc9b0c23ead791edb94cf4debb6b8e534b5.tar.bz2 linux-3.10-6c167fc9b0c23ead791edb94cf4debb6b8e534b5.zip | |
usb: dwc3: allow forcing a maximum speed
this is mainly for testing. In order to be able
to test if we're enumerating correctly on all
speeds, let that be controlled by a module
parameter.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 717ebc9ff94..ca3b01f5fff 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -59,6 +59,10 @@ #include "debug.h" +static char *maximum_speed = "super"; +module_param(maximum_speed, charp, 0); +MODULE_PARM_DESC(maximum_speed, "Maximum supported speed."); + /** * dwc3_core_soft_reset - Issues core soft reset and PHY reset * @dwc: pointer to our context structure @@ -370,6 +374,17 @@ static int __devinit dwc3_probe(struct platform_device *pdev) dwc->dev = &pdev->dev; dwc->irq = irq; + if (!strncmp("super", maximum_speed, 5)) + dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; + else if (!strncmp("high", maximum_speed, 4)) + dwc->maximum_speed = DWC3_DCFG_HIGHSPEED; + else if (!strncmp("full", maximum_speed, 4)) + dwc->maximum_speed = DWC3_DCFG_FULLSPEED1; + else if (!strncmp("low", maximum_speed, 3)) + dwc->maximum_speed = DWC3_DCFG_LOWSPEED; + else + dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; + pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); pm_runtime_forbid(&pdev->dev); |