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SubjectRe: [PATCH v1 1/3] string: Consolidate yesno() helpers under string.h hood
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Am 15.02.21 um 15:21 schrieb Andy Shevchenko:
> We have already few similar implementation and a lot of code that can benefit
> of the yesno() helper. Consolidate yesno() helpers under string.h hood.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Looks like a good idea to me, feel free to add an Acked-by: Christian
König <christian.koenig@amd.com> to the series.

But looking at the use cases for this, wouldn't it make more sense to
teach kprintf some new format modifier for this?

Christian.

> ---
> .../drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 6 +-----
> drivers/gpu/drm/i915/i915_utils.h | 6 +-----
> drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c | 12 +-----------
> include/linux/string.h | 5 +++++
> 4 files changed, 8 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> index 360952129b6d..7fde4f90e513 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
> @@ -23,6 +23,7 @@
> *
> */
>
> +#include <linux/string.h>
> #include <linux/uaccess.h>
>
> #include <drm/drm_debugfs.h>
> @@ -49,11 +50,6 @@ struct dmub_debugfs_trace_entry {
> uint32_t param1;
> };
>
> -static inline const char *yesno(bool v)
> -{
> - return v ? "yes" : "no";
> -}
> -
> /* parse_write_buffer_into_params - Helper function to parse debugfs write buffer into an array
> *
> * Function takes in attributes passed to debugfs write entry
> diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
> index abd4dcd9f79c..e6da5a951132 100644
> --- a/drivers/gpu/drm/i915/i915_utils.h
> +++ b/drivers/gpu/drm/i915/i915_utils.h
> @@ -27,6 +27,7 @@
>
> #include <linux/list.h>
> #include <linux/overflow.h>
> +#include <linux/string.h>
> #include <linux/sched.h>
> #include <linux/types.h>
> #include <linux/workqueue.h>
> @@ -408,11 +409,6 @@ wait_remaining_ms_from_jiffies(unsigned long timestamp_jiffies, int to_wait_ms)
> #define MBps(x) KBps(1000 * (x))
> #define GBps(x) ((u64)1000 * MBps((x)))
>
> -static inline const char *yesno(bool v)
> -{
> - return v ? "yes" : "no";
> -}
> -
> static inline const char *onoff(bool v)
> {
> return v ? "on" : "off";
> diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
> index 7d49fd4edc9e..c857d73abbd7 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
> +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
> @@ -34,6 +34,7 @@
>
> #include <linux/seq_file.h>
> #include <linux/debugfs.h>
> +#include <linux/string.h>
> #include <linux/string_helpers.h>
> #include <linux/sort.h>
> #include <linux/ctype.h>
> @@ -2015,17 +2016,6 @@ static const struct file_operations rss_debugfs_fops = {
> /* RSS Configuration.
> */
>
> -/* Small utility function to return the strings "yes" or "no" if the supplied
> - * argument is non-zero.
> - */
> -static const char *yesno(int x)
> -{
> - static const char *yes = "yes";
> - static const char *no = "no";
> -
> - return x ? yes : no;
> -}
> -
> static int rss_config_show(struct seq_file *seq, void *v)
> {
> struct adapter *adapter = seq->private;
> diff --git a/include/linux/string.h b/include/linux/string.h
> index 9521d8cab18e..fd946a5e18c8 100644
> --- a/include/linux/string.h
> +++ b/include/linux/string.h
> @@ -308,4 +308,9 @@ static __always_inline size_t str_has_prefix(const char *str, const char *prefix
> return strncmp(str, prefix, len) == 0 ? len : 0;
> }
>
> +static inline const char *yesno(bool yes)
> +{
> + return yes ? "yes" : "no";
> +}
> +
> #endif /* _LINUX_STRING_H_ */

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