Re: [PATCH next] media: synopsys: hdmirx: Fix signedness bug in hdmirx_parse_dt()

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On 07/03/2025 10:47, Dmitry Osipenko wrote:
> On 3/7/25 12:45, Dan Carpenter wrote:
>> On Fri, Mar 07, 2025 at 12:36:47PM +0300, Dmitry Osipenko wrote:
>>> On 3/7/25 12:30, Dan Carpenter wrote:
>>>> diff --git a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
>>>> index 4ffc86ad6c35..e0d3fed87a92 100644
>>>> --- a/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
>>>> +++ b/drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
>>>> @@ -154,7 +154,7 @@ struct snps_hdmirx_dev {
>>>>  	bool hpd_trigger_level_high;
>>>>  	bool tmds_clk_ratio;
>>>>  	bool plugged;
>>>> -	u32 num_clks;
>>>> +	int num_clks;
>>>>  	u32 edid_blocks_written;
>>>>  	u32 cur_fmt_fourcc;
>>>>  	u32 color_depth;
>>>
>>> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
>>>
>>> Would be also good to return the original error code. There is no need
>>> to check for the < 1 clock, it should be the < 0 check. Can be done in a
>>> separate patch later. Thanks for the fix!
>>
>> I'm not very familiar with th edevm_clk_bulk_get_all() function and it's
>> not documented.  But clk_bulk_get_all() does return zero, so I can see why
>> people would be confused.
> 
> We will take care of it, thanks again.
> 

I'm confused. Is Dan's patch correct or is more work needed? If more work is
needed, then I prefer to have a single patch correcting the devm_clk_bulk_get_all()
handling.

Regards,

	Hans




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