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hello list,
We suffered from slow usbnet connections in GTA02 due to being not to
catch all date of the endpoint FIFO. This patch hopefully fixes this
problem.
Thanks,
- -jserv
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Handle S3C244x USB endpoint FIFO properly.
This patch fixes a problem of slow usbnet connections in GTA02 due to
being not to catch all date of the endpoint FIFO.
Index: linux-2.6.22.5/drivers/usb/gadget/s3c2410_udc.c
===================================================================
--- linux-2.6.22.5.orig/drivers/usb/gadget/s3c2410_udc.c 2007-10-03 19:13:31.000000000 +0800
+++ linux-2.6.22.5/drivers/usb/gadget/s3c2410_udc.c 2007-10-03 19:18:00.000000000 +0800
@@ -845,6 +845,7 @@
u32 ep_csr1;
u32 idx;
+handle_ep_again:
if (likely (!list_empty(&ep->queue)))
req = list_entry(ep->queue.next,
struct s3c2410_request, queue);
@@ -884,6 +885,8 @@
if ((ep_csr1 & S3C2410_UDC_OCSR1_PKTRDY) && req) {
s3c2410_udc_read_fifo(ep,req);
+ if (s3c2410_udc_fifo_count_out())
+ goto handle_ep_again;
}
}
}
