public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

usb: atmel_usba_udc: fix it to deal with final dma channel

Browse source 
As, the interrupt for DMA is counted from 1, so need to checked
the USBA_NR_DMAS, in old way, it only check (USBA_NR_DMAS - 1),
so fix it.

Reported-by: Max Liao <liaops@embest-tech.com>
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Bo Shen 2014-08-07 11:43:07 +08:00 • committed by Felipe Balbi
parent 20e7d4653d
commit bcabdc24df
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/usb/gadget/udc/atmel_usba_udc.c
View file

@ -1661,7 +1661,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
if (dma_status) {
int i;
for (i = 1; i < USBA_NR_DMAS; i++)
for (i = 1; i <= USBA_NR_DMAS; i++)
if (dma_status & (1 << i))
usba_dma_irq(udc, &udc->usba_ep[i]);
}