[PATCH 2/2] MUSB: Real fix bug 4 usb bugs found on Blackfin

From: Bryan Wu
Date: Sat May 17 2008 - 07:01:59 EST


- USB-IDE
http://blackfin.uclinux.org/gf/project/linux-kernel/tracker/?action=TrackerItemEdit&tracker_item_id=3789
- 30G iPod
http://blackfin.uclinux.org/gf/project/linux-kernel/tracker/?action=TrackerItemEdit&tracker_item_id=3806
- USB to CF/SD card reader
http://blackfin.uclinux.org/gf/project/linux-kernel/tracker/?action=TrackerItemEdit&tracker_item_id=3790
http://blackfin.uclinux.org/gf/project/linux-kernel/tracker/?action=TrackerItemEdit&tracker_item_id=3807

Sonic found, when we got STALL, we should clear the toggle.

Signed-off-by: Sonic Zhang <sonic.zhang@xxxxxxxxxx>
Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
---
drivers/usb/musb/musb_host.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 535922d..806c479 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1473,7 +1473,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
(void) musb->dma_controller->channel_abort(dma);
xfer_len = dma->actual_len;
}
- musb_h_flush_rxfifo(hw_ep, 0);
+ musb_h_flush_rxfifo(hw_ep, MUSB_RXCSR_CLRDATATOG);
musb_writeb(epio, MUSB_RXINTERVAL, 0);
done = true;
goto finish;
--
1.5.5

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