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

Yang Xiwen forbidden405 at outlook.com
Wed Nov 1 19:54:31 CET 2023


On 11/2/2023 2:01 AM, Sean Anderson wrote:
> 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.
> 
Thanks for your review. I'll use your patch with your SoB and drop mine
in next release.
> --Sean
-- 
Best regards,
Yang Xiwen



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