From: Pascal Huerst <[email protected]> In certain situations, an interrupt triggers on resume, before musb_start() has been called. This has been observed to cause enumeration issues after suspend/resume cycles with AM335x.
Signed-off-by: Pascal Huerst <[email protected]> --- drivers/usb/musb/musb_core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 68bf6d8..d861c21 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2421,6 +2421,9 @@ static int musb_suspend(struct device *dev) struct musb *musb = dev_to_musb(dev); unsigned long flags; + musb_platform_disable(musb); + musb_generic_disable(musb); + spin_lock_irqsave(&musb->lock, flags); if (is_peripheral_active(musb)) { @@ -2474,6 +2477,9 @@ static int musb_resume(struct device *dev) pm_runtime_disable(dev); pm_runtime_set_active(dev); pm_runtime_enable(dev); + + musb_start(musb); + return 0; } -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
