Re: [PATCH -next v2] input: touchscreen: mxs-lradc: Fix return value check in mxs_lradc_ts_probe()

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On Thu, Apr 27, 2017 at 03:13:52PM +0000, Wei Yongjun wrote:
> From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> 
> In case of error, the function devm_ioremap() returns NULL pointer not
> ERR_PTR(). Use devm_ioremap_resource() instead of devm_ioremap().
> 
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

Lee, could you please pick this one up as well?

> ---
> v1 -> v2: use devm_ioremap_resource()
> ---
>  drivers/input/touchscreen/mxs-lradc-ts.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/input/touchscreen/mxs-lradc-ts.c b/drivers/input/touchscreen/mxs-lradc-ts.c
> index 4b4aebf..2c5076c 100644
> --- a/drivers/input/touchscreen/mxs-lradc-ts.c
> +++ b/drivers/input/touchscreen/mxs-lradc-ts.c
> @@ -630,7 +630,7 @@ static int mxs_lradc_ts_probe(struct platform_device *pdev)
>  	spin_lock_init(&ts->lock);
>  
>  	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	ts->base = devm_ioremap(dev, iores->start, resource_size(iores));
> +	ts->base = devm_ioremap_resource(dev, iores);
>  	if (IS_ERR(ts->base))
>  		return PTR_ERR(ts->base);
> 

-- 
Dmitry
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