diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2016-09-26 15:47:03 -0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-09-26 15:47:03 -0400 |
| commit | 1e1b37273cf719545da50b76f214f983a710aaf4 (patch) | |
| tree | 033f6062325ef7aaeefe8559bb409ab7d2be3c76 /drivers/usb/dwc2/platform.c | |
| parent | c183a603e8d8a5a189729b77d0c623a3d5950e5f (diff) | |
| parent | c291b015158577be533dd5a959dfc09bab119eed (diff) | |
Merge branch 'x86/urgent' into x86/apic
Bring in the upstream modifications so we can fixup the silent merge
conflict which is introduced by this merge.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/usb/dwc2/platform.c')
| -rw-r--r-- | drivers/usb/dwc2/platform.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index fc6f5251de5d..530959a8a6d1 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -45,6 +45,7 @@ #include <linux/platform_device.h> #include <linux/phy/phy.h> #include <linux/platform_data/s3c-hsotg.h> +#include <linux/reset.h> #include <linux/usb/of.h> @@ -337,6 +338,24 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) { int i, ret; + hsotg->reset = devm_reset_control_get_optional(hsotg->dev, "dwc2"); + if (IS_ERR(hsotg->reset)) { + ret = PTR_ERR(hsotg->reset); + switch (ret) { + case -ENOENT: + case -ENOTSUPP: + hsotg->reset = NULL; + break; + default: + dev_err(hsotg->dev, "error getting reset control %d\n", + ret); + return ret; + } + } + + if (hsotg->reset) + reset_control_deassert(hsotg->reset); + /* Set default UTMI width */ hsotg->phyif = GUSBCFG_PHYIF16; @@ -434,6 +453,9 @@ static int dwc2_driver_remove(struct platform_device *dev) if (hsotg->ll_hw_enabled) dwc2_lowlevel_hw_disable(hsotg); + if (hsotg->reset) + reset_control_assert(hsotg->reset); + return 0; } |