diff mbox

[v2,2/2] USB: at91: using USBA_NR_DMAS for DMA channels

Message ID 1392775664-16404-2-git-send-email-voice.shen@atmel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Bo Shen Feb. 19, 2014, 2:07 a.m. UTC
The SoCs earlier than sama5d3, they have the same number endpoints
and DMA channels. In driver code, they use the same definition
USBA_NR_ENDPOINTS for both endpoints and dma channels. However,
in sama5d3, it has different number for endpoints and DMA channels.
So, define a new micro USBA_NR_DMAs for DMA channels. And the
USBA_NR_ENDPOINS is not used anymore, remove it at the same time.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
---
Changes in v2:
  - Make the commit message more clearer.

 drivers/usb/gadget/atmel_usba_udc.c | 2 +-
 drivers/usb/gadget/atmel_usba_udc.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Comments

Nicolas Ferre Feb. 19, 2014, 8:44 a.m. UTC | #1
On 19/02/2014 03:07, Bo Shen :
> The SoCs earlier than sama5d3, they have the same number endpoints
> and DMA channels. In driver code, they use the same definition
> USBA_NR_ENDPOINTS for both endpoints and dma channels. However,
> in sama5d3, it has different number for endpoints and DMA channels.
> So, define a new micro USBA_NR_DMAs for DMA channels. And the

s/micro/macro/

> USBA_NR_ENDPOINS is not used anymore, remove it at the same time.
> 
> Signed-off-by: Bo Shen <voice.shen@atmel.com>

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

> ---
> Changes in v2:
>   - Make the commit message more clearer.
> 
>  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
>
diff mbox

Patch

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