diff options
| author |   Anton Tikhomirov <av.tikhomirov@samsung.com> | 2012-03-06 14:09:19 +0900 |
|---|---|---|
| committer |   Felipe Balbi <balbi@ti.com> | 2012-04-10 19:11:46 +0300 |
| commit | db1d8ba36551bf55222c7961d9e9a1195a612fde (patch) | |
| tree | b007b9865a3a4282431f03fb5dbeaabfb121ca6c /drivers/usb/gadget | |
| parent | usb: s3c-hsotg: Avoid TxFIFO corruption in DMA mode (diff) | |
| download | linux-dev-db1d8ba36551bf55222c7961d9e9a1195a612fde.tar.xz linux-dev-db1d8ba36551bf55222c7961d9e9a1195a612fde.zip | |
usb: s3c-hsotg: Fix big buffers transfer in DMA mode
DMA address register shouldn't be updated manually if transfer size
requires multiple packets.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/s3c-hsotg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 8db23660b5e2..105b206cd844 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -741,7 +741,7 @@ static void s3c_hsotg_start_req(struct s3c_hsotg *hsotg, /* write size / packets */ writel(epsize, hsotg->regs + epsize_reg); - if (using_dma(hsotg)) { + if (using_dma(hsotg) && !continuing) { unsigned int dma_reg; /* write DMA address to control register, buffer already |