Re: [PATCH 2/2] USB: at91: using USBA_NR_DMAS for DMA channels

From: Nicolas Ferre
Date: Fri Jan 17 2014 - 04:29:28 EST


On 17/01/2014 03:59, Bo Shen :
> When the SoC is earlier than sama5d3 SoC, which have the same number
> endpoints and DMAs. However for sama5d3 SoC, it has different number
> for endpoints and DMAs. So, define USBA_NR_DMAs for DMA channels
>
> Signed-off-by: Bo Shen <voice.shen@xxxxxxxxx>

Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>

> ---
>
> drivers/usb/gadget/atmel_usba_udc.c | 2 +-
> drivers/usb/gadget/atmel_usba_udc.h | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
> index 7e67a81..5cded1c 100644
> --- a/drivers/usb/gadget/atmel_usba_udc.c
> +++ b/drivers/usb/gadget/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_ENDPOINTS; i++)
> + for (i = 1; i < USBA_NR_DMAS; i++)
> if (dma_status & (1 << i))
> usba_dma_irq(udc, &udc->usba_ep[i]);
> }
> diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h
> index 2922db5..a70706e 100644
> --- a/drivers/usb/gadget/atmel_usba_udc.h
> +++ b/drivers/usb/gadget/atmel_usba_udc.h
> @@ -210,7 +210,7 @@
> #define USBA_FIFO_BASE(x) ((x) << 16)
>
> /* Synth parameters */
> -#define USBA_NR_ENDPOINTS 7
> +#define USBA_NR_DMAS 7
>
> #define EP0_FIFO_SIZE 64
> #define EP0_EPT_SIZE USBA_EPT_SIZE_64
>


--
Nicolas Ferre
--
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