diff mbox series

[v3] i2c: ismt: Use dma_set_mask_and_coherent

Message ID 1606978252-26169-1-git-send-email-tangyouling@loongson.cn
State New
Headers show
Series [v3] i2c: ismt: Use dma_set_mask_and_coherent | expand

Commit Message

Youling Tang Dec. 3, 2020, 6:50 a.m. UTC
'pci_set_dma_mask()' + 'pci_set_consistent_dma_mask()' can be replaced by
an equivalent 'dma_set_mask_and_coherent()' which is much less verbose.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
---

v3: Fix build errors of incompatible pointer types.

 drivers/i2c/busses/i2c-ismt.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

Comments

Wolfram Sang Jan. 22, 2021, 9:07 a.m. UTC | #1
On Thu, Dec 03, 2020 at 02:50:52PM +0800, Youling Tang wrote:
> 'pci_set_dma_mask()' + 'pci_set_consistent_dma_mask()' can be replaced by

> an equivalent 'dma_set_mask_and_coherent()' which is much less verbose.

> 

> Reported-by: kernel test robot <lkp@intel.com>

> Signed-off-by: Youling Tang <tangyouling@loongson.cn>


Seth, Neil, are you OK with this patch?

> ---

> 

> v3: Fix build errors of incompatible pointer types.

> 

>  drivers/i2c/busses/i2c-ismt.c | 10 +++-------

>  1 file changed, 3 insertions(+), 7 deletions(-)

> 

> diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c

> index a35a27c..88f6039 100644

> --- a/drivers/i2c/busses/i2c-ismt.c

> +++ b/drivers/i2c/busses/i2c-ismt.c

> @@ -903,16 +903,12 @@ ismt_probe(struct pci_dev *pdev, const struct pci_device_id *id)

>  		return -ENODEV;

>  	}

>  

> -	if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||

> -	    (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {

> -		if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||

> -		    (pci_set_consistent_dma_mask(pdev,

> -						 DMA_BIT_MASK(32)) != 0)) {

> -			dev_err(&pdev->dev, "pci_set_dma_mask fail %p\n",

> +	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0)

> +		if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) {

> +			dev_err(&pdev->dev, "dma_set_mask_and_coherent fail %p\n",

>  				pdev);

>  			return -ENODEV;

>  		}

> -	}

>  

>  	err = ismt_dev_init(priv);

>  	if (err)

> -- 

> 2.1.0

>
diff mbox series

Patch

diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index a35a27c..88f6039 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -903,16 +903,12 @@  ismt_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		return -ENODEV;
 	}
 
-	if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||
-	    (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {
-		if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
-		    (pci_set_consistent_dma_mask(pdev,
-						 DMA_BIT_MASK(32)) != 0)) {
-			dev_err(&pdev->dev, "pci_set_dma_mask fail %p\n",
+	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0)
+		if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
+			dev_err(&pdev->dev, "dma_set_mask_and_coherent fail %p\n",
 				pdev);
 			return -ENODEV;
 		}
-	}
 
 	err = ismt_dev_init(priv);
 	if (err)