From: Roger Quadros Date: Thu, 13 Aug 2015 10:28:42 +0000 (+0300) Subject: usb: phy: phy-generic: Fix reset behaviour on legacy boot X-Git-Tag: v4.2.4~66 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd2f3edb10119ba000be0b755c97425337ce0fc8;p=thirdparty%2Fkernel%2Fstable.git usb: phy: phy-generic: Fix reset behaviour on legacy boot commit 762982db33b23029e98c844611e2e8beeb75bc0d upstream. The gpio-desc migration done in v4.0 caused a regression with legacy boots due to reversed reset logic. e.g. omap3-beagle USB host breaks on legacy boot. Request the reset GPIO with GPIOF_ACTIVE_LOW flag so that it matches the driver logic and pin behaviour. Fixes: e9f2cefb0cdc ("usb: phy: generic: migrate to gpio_desc") Tested-by: Fabio Estevam Signed-off-by: Roger Quadros Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index deee68eafb72a..0cd85f2ccddd3 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -230,7 +230,8 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, clk_rate = pdata->clk_rate; needs_vcc = pdata->needs_vcc; if (gpio_is_valid(pdata->gpio_reset)) { - err = devm_gpio_request_one(dev, pdata->gpio_reset, 0, + err = devm_gpio_request_one(dev, pdata->gpio_reset, + GPIOF_ACTIVE_LOW, dev_name(dev)); if (!err) nop->gpiod_reset =