Re: [PATCH] pwm: imx27: use devm_platform_ioremap_resource() to simplify code

From: Mukesh Ojha
Date: Mon Apr 01 2019 - 03:45:34 EST



On 4/1/2019 10:54 AM, Anson Huang wrote:
Use the new helper devm_platform_ioremap_resource() which wraps the
platform_get_resource() and devm_ioremap_resource() together, to
simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
Reviewed-by: Mukesh Ojha <mojha@xxxxxxxxxxxxxx>

Cheers,
-Mukesh
---
drivers/pwm/pwm-imx27.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c
index 8061306..434a351 100644
--- a/drivers/pwm/pwm-imx27.c
+++ b/drivers/pwm/pwm-imx27.c
@@ -291,7 +291,6 @@ MODULE_DEVICE_TABLE(of, pwm_imx27_dt_ids);
static int pwm_imx27_probe(struct platform_device *pdev)
{
struct pwm_imx27_chip *imx;
- struct resource *r;
imx = devm_kzalloc(&pdev->dev, sizeof(*imx), GFP_KERNEL);
if (imx == NULL)
@@ -326,8 +325,7 @@ static int pwm_imx27_probe(struct platform_device *pdev)
imx->chip.of_xlate = of_pwm_xlate_with_flags;
imx->chip.of_pwm_n_cells = 3;
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- imx->mmio_base = devm_ioremap_resource(&pdev->dev, r);
+ imx->mmio_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(imx->mmio_base))
return PTR_ERR(imx->mmio_base);