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| author | Swaminathan S <swami.iyer@ti.com> | 2009-01-24 17:57:37 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@kvm.kroah.org> | 2009-01-27 16:15:35 -0800 |
| commit | 191b776616838f035c2fe7eecc882b5c1f134353 (patch) | |
| tree | 0f11bb71b67a584afc31fad33017ac0ba89d127c /drivers/usb/musb/cppi_dma.c | |
| parent | 704a14854aaf9758a1248ea36a7d1b8cc42a4b3e (diff) | |
| download | linux-191b776616838f035c2fe7eecc882b5c1f134353.tar.gz linux-191b776616838f035c2fe7eecc882b5c1f134353.tar.bz2 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/musb/cppi_dma.c')
| -rw-r--r-- | drivers/usb/musb/cppi_dma.c | 1 |
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) |