]> git.sur5r.net Git - u-boot/commitdiff
usb: musb: setup TXCOUNT for Blackfin musb
authorBryan Wu <bryan.wu@analog.com>
Mon, 9 Aug 2010 18:57:41 +0000 (14:57 -0400)
committerRemy Bohmer <linux@bohmer.net>
Sat, 11 Sep 2010 07:49:21 +0000 (09:49 +0200)
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>
drivers/usb/musb/musb_hcd.c

index dd2aa7f27c1be2c231acbc857336fde6f4def0c3..f14e12ffaf61a3152bbfbac2d8c33921ce7dd944 100644 (file)
@@ -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));