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")
Cc: # 4.0+
Signed-off-by: Roger Quadros
---
drivers/usb/phy/phy-generic.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index deee68e..0cd85f2 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 =
--
2.1.4
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