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| author | Bryan Wu <bryan.wu@analog.com> | 2010-08-09 14:57:41 -0400 |
|---|---|---|
| committer | Remy Bohmer <linux@bohmer.net> | 2010-09-11 09:49:21 +0200 |
| commit | 8dd7a23007ff73dae176aa4628f5c2142d6087dc (patch) | |
| tree | e03223c0c0bbead5e6633442246d0a14fdb75ad6 /drivers/usb | |
| parent | 2d941de9d5c7ba00dc19787dfa0aac2949fd00fb (diff) | |
| download | u-boot-imx-8dd7a23007ff73dae176aa4628f5c2142d6087dc.zip u-boot-imx-8dd7a23007ff73dae176aa4628f5c2142d6087dc.tar.gz u-boot-imx-8dd7a23007ff73dae176aa4628f5c2142d6087dc.tar.bz2 | |
usb: musb: setup TXCOUNT for Blackfin musb
The Blackfin implementation of musb has a TXCOUNT register that needs to
be programmed when transmitting data.
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/musb/musb_hcd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_hcd.c b/drivers/usb/musb/musb_hcd.c index dd2aa7f..f14e12f 100644 --- a/drivers/usb/musb/musb_hcd.c +++ b/drivers/usb/musb/musb_hcd.c @@ -987,6 +987,11 @@ int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, nextlen = ((len-txlen) < dev->epmaxpacketout[ep]) ? (len-txlen) : dev->epmaxpacketout[ep]; +#ifdef CONFIG_USB_BLACKFIN + /* Set the transfer data size */ + writew(nextlen, &musbr->txcount); +#endif + /* Write the data to the FIFO */ write_fifo(MUSB_BULK_EP, nextlen, (void *)(((u8 *)buffer) + txlen)); |