Re: [PATCH] drivers: memory: This patch fix the following checkpatch warning.

From: Roger Quadros
Date: Tue Apr 16 2019 - 04:50:01 EST


Hi Mohan,

On 16/04/2019 11:46, Mohan Kumar wrote:
> Switch hardcoded function name with a reference to __func__ making the
> code more maintainable
>
> WARNING: Prefer using '"%s...", __func__' to using function's name, in a
> string
>
> Use pr_warn instead of printk
>
> WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ...
> then dev_err(dev, ... then pr_err(... to printk(KERN_ERR ...
>
> Signed-off-by: Mohan Kumar <mohankumar718@xxxxxxxxx>
> ---
> drivers/memory/omap-gpmc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
> index f629759..685f422 100644
> --- a/drivers/memory/omap-gpmc.c
> +++ b/drivers/memory/omap-gpmc.c
> @@ -795,7 +795,7 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t,
> #endif
>
> gpmc_cs_bool_timings(cs, &t->bool_timings);
> - gpmc_cs_show_timings(cs, "after gpmc_cs_set_timings");
> + gpmc_cs_show_timings(cs, "%s", __func__);

This will not build. gpmc_cs_show_timings only takes 2 arguments.
>
> return 0;
> }
> @@ -1033,7 +1033,7 @@ void gpmc_cs_free(int cs)
>
> spin_lock(&gpmc_mem_lock);
> if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) {
> - printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs);
> + pr_err("Trying to free non-reserved GPMC CS%d\n", cs);
> BUG();
> spin_unlock(&gpmc_mem_lock);
> return;
>

cheers,
-roger
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