diff options
| author | Bo Shen <voice.shen@atmel.com> | 2014-08-07 03:43:07 (GMT) |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-08-19 14:24:41 (GMT) |
| commit | bcabdc24dff2d65dcc5bec093f30302283e5fdf4 (patch) | |
| tree | 4ff7778baae1956ebfc618db0cf1129aa07e0621 /drivers/usb | |
| parent | 20e7d4653d2b580e490dfbb1dfd138cd9844319c (diff) | |
| download | linux-bcabdc24dff2d65dcc5bec093f30302283e5fdf4.tar.xz | |
usb: atmel_usba_udc: fix it to deal with final dma channel
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>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/udc/atmel_usba_udc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 906e65f..c9fe67e 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -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]); } |