diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-04-21 13:39:21 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-04-21 13:39:28 +0400 |
| commit | 42ac9e87fdd89b77fa2ca0a5226023c1c2d83226 (patch) | |
| tree | dfdb1b720347a40f24a89a3e9c2727ae26ad5f01 /drivers/usb/musb/musbhsdma.c | |
| parent | 057f3fadb347e9c51b07e1b277bbdda79f976768 (diff) | |
| parent | f0e615c3cb72b42191b558c130409335812621d8 (diff) | |
| download | linux-42ac9e87fdd89b77fa2ca0a5226023c1c2d83226.tar.xz | |
Merge commit 'v2.6.39-rc4' into sched/core
Merge reason: Pick up upstream fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/usb/musb/musbhsdma.c')
| -rw-r--r-- | drivers/usb/musb/musbhsdma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index 0144a2d481fd..d281792db05c 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -169,6 +169,14 @@ static int dma_channel_program(struct dma_channel *channel, BUG_ON(channel->status == MUSB_DMA_STATUS_UNKNOWN || channel->status == MUSB_DMA_STATUS_BUSY); + /* Let targets check/tweak the arguments */ + if (musb->ops->adjust_channel_params) { + int ret = musb->ops->adjust_channel_params(channel, + packet_sz, &mode, &dma_addr, &len); + if (ret) + return ret; + } + /* * The DMA engine in RTL1.8 and above cannot handle * DMA addresses that are not aligned to a 4 byte boundary. |