[PATCH RESEND 2/5] clk: call log_debug() instead to avoid console log printing

Sean Anderson seanga2 at gmail.com
Wed Nov 1 19:01:22 CET 2023


On 11/1/23 13:55, Sean Anderson wrote:
> On 8/17/23 13:04, Yang Xiwen via B4 Relay wrote:
>> From: Yang Xiwen <forbidden405 at outlook.com>
>>
>> it's a very common case to register a clock without a parent, such as
>> clk_register_fixed_rate().
> 
> Actually, that seems like the only place this is done.
> 
>> Replace log_error() with log_debug() to avoid
>> useless console log if not debugging.
>>
>> Signed-off-by: Yang Xiwen <forbidden405 at outlook.com>
>> ---
>>   drivers/clk/clk.c | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
>> index a5a3461b66..a38daaac0c 100644
>> --- a/drivers/clk/clk.c
>> +++ b/drivers/clk/clk.c
>> @@ -24,8 +24,8 @@ int clk_register(struct clk *clk, const char *drv_name,
>>       ret = uclass_get_device_by_name(UCLASS_CLK, parent_name, &parent);
>>       if (ret) {
>> -        log_err("%s: failed to get %s device (parent of %s)\n",
>> -            __func__, parent_name, name);
>> +        log_debug("%s: failed to get %s device (parent of %s)\n",
>> +              __func__, parent_name, name);
>>       } else {
>>           log_debug("%s: name: %s parent: %s [0x%p]\n", __func__, name,
>>                 parent->name, parent);
>>
> 
> I think a correct fix would be
> 
> diff --git i/drivers/clk/clk.c w/drivers/clk/clk.c
> index a5a3461b66c..cb333c83f66 100644
> --- i/drivers/clk/clk.c
> +++ w/drivers/clk/clk.c
> @@ -18,17 +18,19 @@
>   int clk_register(struct clk *clk, const char *drv_name,
>                   const char *name, const char *parent_name)
>   {
> -       struct udevice *parent;
> +       struct udevice *parent = NULL;
>          struct driver *drv;
>          int ret;
> 
> -       ret = uclass_get_device_by_name(UCLASS_CLK, parent_name, &parent);
> -       if (ret) {
> -               log_err("%s: failed to get %s device (parent of %s)\n",
> -                       __func__, parent_name, name);
> -       } else {
> -               log_debug("%s: name: %s parent: %s [0x%p]\n", __func__, name,
> -                         parent->name, parent);
> +       if (parent_name) {
> +               ret = uclass_get_device_by_name(UCLASS_CLK, parent_name,
> +                                               &parent);
> +               if (ret)
> +                       log_err("%s: failed to get %s device (parent of %s)\n",
> +                               __func__, parent_name, name);
> +               else
> +                       log_debug("%s: name: %s parent: %s [0x%p]\n", __func__,
> +                                 name, parent->name, parent);
>          }
> 
>          drv = lists_driver_lookup_name(drv_name);
> 
> --Sean

or you could modify the condition to be `if (ret && parent_name)` with appropriate
modification of the second debug message.

--Sean


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