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USB: musb_gadget_ep0: fix unhandled endpoint 0 IRQs, again

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commit 196f1b7a387546f425df2f1fad26772e3d513aea upstream.

Commit a5073b5283 (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: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sergei Shtylyov
2009-11-16 16:24:05 +05:30
committed by Greg Kroah-Hartman
parent fa72330af5
commit 8820f3f2eb
1 changed files with 0 additions and 1 deletions
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1
drivers/usb/musb/musb_gadget_ep0.c
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@@ -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;
}
/*