From db1d8ba36551bf55222c7961d9e9a1195a612fde Mon Sep 17 00:00:00 2001 From: Anton Tikhomirov Date: Tue, 6 Mar 2012 14:09:19 +0900 Subject: [PATCH] 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 Signed-off-by: Felipe Balbi --- drivers/usb/gadget/s3c-hsotg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 8db2366..105b206 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 -- 2.7.4