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Commit 196f1b7a authored by Sergei Shtylyov's avatar Sergei Shtylyov Committed by Greg Kroah-Hartman
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USB: musb_gadget_ep0: fix unhandled endpoint 0 IRQs, again 



Commit a5073b52 (musb_gadget: fix
unhandled endpoint 0 IRQs) somehow missed its key change:

"The gadget EP0 code routinely ignores an interrupt at end of
the data phase because of musb_g_ep0_giveback() resetting the
state machine to "idle, waiting for SETUP" phase prematurely."

So, the majority of the cases of unhandled IRQs is still unfixed...

Signed-off-by: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarAnand Gadiyar <gadiyar@ti.com>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 32c3b94e

drivers/usb/musb/musb_gadget_ep0.c

+0 −1
Original line number Diff line number Diff line
@@ -199,7 +199,6 @@ service_in_request(struct musb *musb, const struct usb_ctrlrequest *ctrlrequest) 
static void musb_g_ep0_giveback(struct musb *musb, struct usb_request *req)

{

	musb_g_giveback(&musb->endpoints[0].ep_in, req, 0);

	musb->ep0_state = MUSB_EP0_STAGE_SETUP;

}



/*