On Fri, Aug 14, 2020 at 01:17:44AM -0700, Bernard Zhao wrote:
> XX_print like pfp_print/me_print/meq_print/roq_print are just
> used in file a5xx_debugfs.c. And these function always return
> 0, this return value is meaningless.
> This change is to make the code a bit more readable.
This is reasonable. I'm always for negative lines.
Reviewed-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
> Signed-off-by: Bernard Zhao <bernard@xxxxxxxx>
> ---
> drivers/gpu/drm/msm/adreno/a5xx_debugfs.c | 21 +++++++--------------
> 1 file changed, 7 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c b/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c
> index 68eddac7771c..fc2c905b6c9e 100644
> --- a/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c
> +++ b/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c
> @@ -11,7 +11,7 @@
>
> #include "a5xx_gpu.h"
>
> -static int pfp_print(struct msm_gpu *gpu, struct drm_printer *p)
> +static void pfp_print(struct msm_gpu *gpu, struct drm_printer *p)
> {
> int i;
>
> @@ -22,11 +22,9 @@ static int pfp_print(struct msm_gpu *gpu, struct drm_printer *p)
> drm_printf(p, " %02x: %08x\n", i,
> gpu_read(gpu, REG_A5XX_CP_PFP_STAT_DATA));
> }
> -
> - return 0;
> }
>
> -static int me_print(struct msm_gpu *gpu, struct drm_printer *p)
> +static void me_print(struct msm_gpu *gpu, struct drm_printer *p)
> {
> int i;
>
> @@ -37,11 +35,9 @@ static int me_print(struct msm_gpu *gpu, struct drm_printer *p)
> drm_printf(p, " %02x: %08x\n", i,
> gpu_read(gpu, REG_A5XX_CP_ME_STAT_DATA));
> }
> -
> - return 0;
> }
>
> -static int meq_print(struct msm_gpu *gpu, struct drm_printer *p)
> +static void meq_print(struct msm_gpu *gpu, struct drm_printer *p)
> {
> int i;
>
> @@ -52,11 +48,9 @@ static int meq_print(struct msm_gpu *gpu, struct drm_printer *p)
> drm_printf(p, " %02x: %08x\n", i,
> gpu_read(gpu, REG_A5XX_CP_MEQ_DBG_DATA));
> }
> -
> - return 0;
> }
>
> -static int roq_print(struct msm_gpu *gpu, struct drm_printer *p)
> +static void roq_print(struct msm_gpu *gpu, struct drm_printer *p)
> {
> int i;
>
> @@ -71,8 +65,6 @@ static int roq_print(struct msm_gpu *gpu, struct drm_printer *p)
> drm_printf(p, " %02x: %08x %08x %08x %08x\n", i,
> val[0], val[1], val[2], val[3]);
> }
> -
> - return 0;
> }
>
> static int show(struct seq_file *m, void *arg)
> @@ -81,10 +73,11 @@ static int show(struct seq_file *m, void *arg)
> struct drm_device *dev = node->minor->dev;
> struct msm_drm_private *priv = dev->dev_private;
> struct drm_printer p = drm_seq_file_printer(m);
> - int (*show)(struct msm_gpu *gpu, struct drm_printer *p) =
> + void (*show)(struct msm_gpu *gpu, struct drm_printer *p) =
> node->info_ent->data;
>
> - return show(priv->gpu, &p);
> + show(priv->gpu, &p);
> + return 0;
> }
>
> #define ENT(n) { .name = #n, .show = show, .data = n ##_print }
> --
> 2.26.2
>
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