diff mbox series

scsi: hisi_sas: Make use of the helper function devm_platform_ioremap_resource()

Message ID 20210901085207.31254-1-caihuoqing@baidu.com
State New
Headers show
Series scsi: hisi_sas: Make use of the helper function devm_platform_ioremap_resource() | expand

Commit Message

Cai,Huoqing Sept. 1, 2021, 8:52 a.m. UTC
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
 drivers/scsi/hisi_sas/hisi_sas_main.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

Comments

Cai,Huoqing Sept. 29, 2021, 2:53 a.m. UTC | #1
Hello,

Drop this patch.
Because sgpio_regs is optional which is used like this
	if (!hisi_hba->sgpio_regs)
		return -EOPNOTSUPP;

> -----Original Message-----

> From: Cai,Huoqing <caihuoqing@baidu.com>

> Sent: 2021年9月1日 16:52

> To: Cai,Huoqing

> Cc: John Garry; James E.J. Bottomley; Martin K. Petersen; linux-

> scsi@vger.kernel.org; linux-kernel@vger.kernel.org

> Subject: [PATCH] scsi: hisi_sas: Make use of the helper function

> devm_platform_ioremap_resource()

> 

> Use the devm_platform_ioremap_resource() helper instead of

> calling platform_get_resource() and devm_ioremap_resource()

> separately

> 

> Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>

> ---

>  drivers/scsi/hisi_sas/hisi_sas_main.c | 9 +++------

>  1 file changed, 3 insertions(+), 6 deletions(-)

> 

> diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c

> b/drivers/scsi/hisi_sas/hisi_sas_main.c

> index 9515c45affa5..0c2309c951ab 100644

> --- a/drivers/scsi/hisi_sas/hisi_sas_main.c

> +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c

> @@ -2649,12 +2649,9 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct

> platform_device *pdev,

>  	if (IS_ERR(hisi_hba->regs))

>  		goto err_out;

> 

> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);

> -	if (res) {

> -		hisi_hba->sgpio_regs = devm_ioremap_resource(dev, res);

> -		if (IS_ERR(hisi_hba->sgpio_regs))

> -			goto err_out;

> -	}

> +	hisi_hba->sgpio_regs = devm_platform_ioremap_resource(pdev, 1);

> +	if (IS_ERR(hisi_hba->sgpio_regs))

> +		goto err_out;

> 

>  	if (hisi_sas_alloc(hisi_hba)) {

>  		hisi_sas_free(hisi_hba);

> --

> 2.25.1
diff mbox series

Patch

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 9515c45affa5..0c2309c951ab 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -2649,12 +2649,9 @@  static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev,
 	if (IS_ERR(hisi_hba->regs))
 		goto err_out;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (res) {
-		hisi_hba->sgpio_regs = devm_ioremap_resource(dev, res);
-		if (IS_ERR(hisi_hba->sgpio_regs))
-			goto err_out;
-	}
+	hisi_hba->sgpio_regs = devm_platform_ioremap_resource(pdev, 1);
+	if (IS_ERR(hisi_hba->sgpio_regs))
+		goto err_out;
 
 	if (hisi_sas_alloc(hisi_hba)) {
 		hisi_sas_free(hisi_hba);