diff mbox series

usb: phy-generic: add short delay after pulling the reset pin

Message ID 20240402-phy-misc-v1-1-de5c17f93f17@pengutronix.de (mailing list archive)
State Accepted
Commit ccdd4aac5f4b1e735c4372d2f12884a3ff0eb524
Headers show
Series usb: phy-generic: add short delay after pulling the reset pin | expand

Commit Message

Michael Grzeschik April 2, 2024, 6:17 a.m. UTC
After pulling the reset pin some phys are not immediately ready. We add
a short delay of at least 10 ms to ensure that the phy can be properly
used.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
---
 drivers/usb/phy/phy-generic.c | 1 +
 1 file changed, 1 insertion(+)


---
base-commit: 5bab5dc780c9ed0c69fc2f828015532acf4a7848
change-id: 20240402-phy-misc-e3f056ec3f29

Best regards,
diff mbox series

Patch

diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index fdcffebf415cd..e7d50e0a16123 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -71,6 +71,7 @@  static void nop_reset(struct usb_phy_generic *nop)
 	gpiod_set_value_cansleep(nop->gpiod_reset, 1);
 	usleep_range(10000, 20000);
 	gpiod_set_value_cansleep(nop->gpiod_reset, 0);
+	usleep_range(10000, 30000);
 }
 
 /* interface to regulator framework */