* [PATCH] USB: atmel_usba_udc: fix it to deal with final DMA channel
@ 2014-08-07 3:43 ` Bo Shen
0 siblings, 0 replies; 2+ messages in thread
From: Bo Shen @ 2014-08-07 3:43 UTC (permalink / raw)
To: Felipe Balbi
Cc: nicolas.ferre, liaops, linux-arm-kernel, linux-kernel, linux-usb,
Bo Shen
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>
---
drivers/usb/gadget/udc/atmel_usba_udc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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]);
}
--
1.8.5.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] USB: atmel_usba_udc: fix it to deal with final DMA channel
@ 2014-08-07 3:43 ` Bo Shen
0 siblings, 0 replies; 2+ messages in thread
From: Bo Shen @ 2014-08-07 3:43 UTC (permalink / raw)
To: linux-arm-kernel
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>
---
drivers/usb/gadget/udc/atmel_usba_udc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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]);
}
--
1.8.5.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2014-08-07 3:43 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-08-07 3:43 [PATCH] USB: atmel_usba_udc: fix it to deal with final DMA channel Bo Shen
2014-08-07 3:43 ` Bo Shen
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.