Hi Sakari,

On 8/16/19 10:15 AM, Sakari Ailus wrote:
> Hi Hugues,
> 
> On Wed, Aug 14, 2019 at 03:48:51PM +0200, Hugues Fruchet wrote:
>> Add a trace of the set of supported fourcc/mbus_code which
>> intersect between DCMI and source sub-device.
>>
>> Signed-off-by: Hugues Fruchet <[email protected]>
>> ---
>>   drivers/media/platform/stm32/stm32-dcmi.c | 12 ++++++++++--
>>   1 file changed, 10 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/media/platform/stm32/stm32-dcmi.c 
>> b/drivers/media/platform/stm32/stm32-dcmi.c
>> index b462f71..18acecf 100644
>> --- a/drivers/media/platform/stm32/stm32-dcmi.c
>> +++ b/drivers/media/platform/stm32/stm32-dcmi.c
>> @@ -1447,12 +1447,20 @@ static int dcmi_formats_init(struct stm32_dcmi *dcmi)
>>                      /* Code supported, have we got this fourcc yet? */
>>                      for (j = 0; j < num_fmts; j++)
>>                              if (sd_fmts[j]->fourcc ==
>> -                                            dcmi_formats[i].fourcc)
>> +                                            dcmi_formats[i].fourcc) {
>>                                      /* Already available */
>> +                                    dev_dbg(dcmi->dev, "Skipping 
>> fourcc/code: %4.4s/0x%x\n",
>> +                                            (char *)&sd_fmts[j]->fourcc,
>> +                                            mbus_code.code);
>>                                      break;
>> -                    if (j == num_fmts)
>> +                            }
>> +                    if (j == num_fmts) {
>>                              /* New */
>>                              sd_fmts[num_fmts++] = dcmi_formats + i;
>> +                            dev_dbg(dcmi->dev, "Supported fourcc/code: 
>> %4.4s/0x%x\n",
> 
> Over 80 characters per line.
> 

This an exception of the "80 chars" in order to be able to grep in 
kernel messages:
https://www.kernel.org/doc/html/v4.10/process/coding-style.html
"However, never break user-visible strings such as printk messages, 
because that breaks the ability to grep for them."

This exception is managed in checkpatch.pl (--strict).

>> +                                    (char *)&sd_fmts[num_fmts - 1]->fourcc,
>> +                                    sd_fmts[num_fmts - 1]->mbus_code);
>> +                    }
>>              }
>>              mbus_code.index++;
>>      }
> 

BR,
Hugues.

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