[PATCH RFC/DO NOT MERGE 02/12] drm/msm: Properly handle msm_ioremap() without name

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Mon Aug 31 09:27:57 PDT 2026


On 8/28/26 4:05 PM, Krzysztof Kozlowski wrote:
> msm_ioremap() accepts being called without name of the region to map and
> in such case maps by index 0.  However error paths still use the name in
> error message.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>
> ---
>  drivers/gpu/drm/msm/msm_io_utils.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_io_utils.c b/drivers/gpu/drm/msm/msm_io_utils.c
> index a6efe1eac271..93b94e330cb8 100644
> --- a/drivers/gpu/drm/msm/msm_io_utils.c
> +++ b/drivers/gpu/drm/msm/msm_io_utils.c
> @@ -77,7 +77,8 @@ static void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name
>  
>  	if (!res) {
>  		if (!quiet)
> -			DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", name);
> +			DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n",
> +				      (name ? name : "#0"));

nit: name ?: "#0"

Konrad



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