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authorSwaminathan S <swami.iyer@ti.com>2009-01-25 02:57:37 +0100
committerGreg Kroah-Hartman <gregkh@kvm.kroah.org>2009-01-28 01:15:35 +0100
commit191b776616838f035c2fe7eecc882b5c1f134353 (patch)
tree0f11bb71b67a584afc31fad33017ac0ba89d127c /drivers/usb
parentUSB: musb cppi bugfixes (diff)
downloadlinux-191b776616838f035c2fe7eecc882b5c1f134353.tar.xz
linux-191b776616838f035c2fe7eecc882b5c1f134353.zip
USB: musb cppi dma fix
Initializes the actual_len field to 0 before every DMA transaction. Signed-off-by: Swaminathan S <swami.iyer@ti.com> Acked-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/musb/cppi_dma.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index d8d5345519c9..569ef0fed0f6 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -995,6 +995,7 @@ static int cppi_channel_program(struct dma_channel *ch,
cppi_ch->offset = 0;
cppi_ch->maxpacket = maxpacket;
cppi_ch->buf_len = len;
+ cppi_ch->channel.actual_len = 0;
/* TX channel? or RX? */
if (cppi_ch->transmit)