The nop_reset and shutdown methods are called in a context that can sleep,
so use gpiod_set_value_cansleep instead of gpiod_set_value.
If you've connected the reset line to a GPIO expander, you'd get a kernel
"slowpath" warning with gpiod_set_value.
Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx>
---
drivers/usb/phy/phy-generic.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index 74ba882..a53b89b 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -63,9 +63,9 @@ static void nop_reset(struct usb_phy_generic *nop)
if (!nop->gpiod_reset)
return;
- gpiod_set_value(nop->gpiod_reset, 1);
+ gpiod_set_value_cansleep(nop->gpiod_reset, 1);
usleep_range(10000, 20000);
- gpiod_set_value(nop->gpiod_reset, 0);
+ gpiod_set_value_cansleep(nop->gpiod_reset, 0);
}
/* interface to regulator framework */
@@ -159,7 +159,7 @@ void usb_gen_phy_shutdown(struct usb_phy *phy)
{
struct usb_phy_generic *nop = dev_get_drvdata(phy->dev);
- gpiod_set_value(nop->gpiod_reset, 1);
+ gpiod_set_value_cansleep(nop->gpiod_reset, 1);
if (!IS_ERR(nop->clk))
clk_disable_unprepare(nop->clk);
--
1.9.1
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