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* [PATCH] usb: musb: compress return logic into one line
@ 2017-06-20 20:24 Gustavo A. R. Silva
  2017-06-21 14:22 ` Bin Liu
  0 siblings, 1 reply; 2+ messages in thread
From: Gustavo A. R. Silva @ 2017-06-20 20:24 UTC (permalink / raw)
  To: Bin Liu, Greg Kroah-Hartman; +Cc: linux-usb, linux-kernel, Gustavo A. R. Silva

Simplify return logic to avoid unnecessary variable assignment.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
 drivers/usb/musb/musb_host.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index dbe617a..76decb8 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1540,7 +1540,7 @@ static int musb_rx_dma_iso_cppi41(struct dma_controller *dma,
 	struct dma_channel *channel = hw_ep->rx_channel;
 	void __iomem *epio = hw_ep->regs;
 	dma_addr_t *buf;
-	u32 length, res;
+	u32 length;
 	u16 val;
 
 	buf = (void *)urb->iso_frame_desc[qh->iso_idx].offset +
@@ -1552,10 +1552,8 @@ static int musb_rx_dma_iso_cppi41(struct dma_controller *dma,
 	val |= MUSB_RXCSR_DMAENAB;
 	musb_writew(hw_ep->regs, MUSB_RXCSR, val);
 
-	res = dma->channel_program(channel, qh->maxpacket, 0,
+	return dma->channel_program(channel, qh->maxpacket, 0,
 				   (u32)buf, length);
-
-	return res;
 }
 #else
 static inline int musb_rx_dma_iso_cppi41(struct dma_controller *dma,
-- 
2.5.0

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] usb: musb: compress return logic into one line
  2017-06-20 20:24 [PATCH] usb: musb: compress return logic into one line Gustavo A. R. Silva
@ 2017-06-21 14:22 ` Bin Liu
  0 siblings, 0 replies; 2+ messages in thread
From: Bin Liu @ 2017-06-21 14:22 UTC (permalink / raw)
  To: Greg Kroah-Hartman; +Cc: linux-usb, linux-kernel, Gustavo A. R. Silva

Hi Greg,

On Tue, Jun 20, 2017 at 03:24:27PM -0500, Gustavo A. R. Silva wrote:
> Simplify return logic to avoid unnecessary variable assignment.
> 
> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>

My tree is already closed for v4.13. if you want to pick it up directly,
here is my Acked-by, or I will take it for v4.14.

Acked-by: Bin Liu <b-liu@ti.com>

Regards,
-Bin.

> ---
>  drivers/usb/musb/musb_host.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
> index dbe617a..76decb8 100644
> --- a/drivers/usb/musb/musb_host.c
> +++ b/drivers/usb/musb/musb_host.c
> @@ -1540,7 +1540,7 @@ static int musb_rx_dma_iso_cppi41(struct dma_controller *dma,
>  	struct dma_channel *channel = hw_ep->rx_channel;
>  	void __iomem *epio = hw_ep->regs;
>  	dma_addr_t *buf;
> -	u32 length, res;
> +	u32 length;
>  	u16 val;
>  
>  	buf = (void *)urb->iso_frame_desc[qh->iso_idx].offset +
> @@ -1552,10 +1552,8 @@ static int musb_rx_dma_iso_cppi41(struct dma_controller *dma,
>  	val |= MUSB_RXCSR_DMAENAB;
>  	musb_writew(hw_ep->regs, MUSB_RXCSR, val);
>  
> -	res = dma->channel_program(channel, qh->maxpacket, 0,
> +	return dma->channel_program(channel, qh->maxpacket, 0,
>  				   (u32)buf, length);
> -
> -	return res;
>  }
>  #else
>  static inline int musb_rx_dma_iso_cppi41(struct dma_controller *dma,
> -- 
> 2.5.0
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

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