[PATCH] spi: stm32-ospi: Fix an error handling path in stm32_ospi_probe()

Mukesh Kumar Savaliya quic_msavaliy at quicinc.com
Fri Apr 18 06:16:58 PDT 2025



On 4/18/2025 5:50 PM, Christophe JAILLET wrote:
> Le 18/04/2025 à 14:09, Mukesh Kumar Savaliya a écrit :
>>
>>
>> On 4/18/2025 4:57 PM, Christophe JAILLET wrote:
>> [...]
>>> diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
>>> index 668022098b1e..9ec9823409cc 100644
>>> --- a/drivers/spi/spi-stm32-ospi.c
>>> +++ b/drivers/spi/spi-stm32-ospi.c
>>> @@ -960,6 +960,10 @@ static int stm32_ospi_probe(struct 
>>> platform_device *pdev)
>>>   err_pm_enable:
>>>       pm_runtime_force_suspend(ospi->dev);
>>>       mutex_destroy(&ospi->lock);
>>> +    if (ospi->dma_chtx)
>>> +        dma_release_channel(ospi->dma_chtx);
>> why can't you move to devm_dma_request_chan ? No need to cleanup.
> 
> Unless I miss something obvious, this function does not exist.
> 
> CJ
> 
Yes, You are right. Seems the patch is yet not merged.

https://lore.kernel.org/all/20250115160244.1102881-1-csokas.bence@prolan.hu/T/ 

dma: Add devm_dma_request_chan()

Can ignore it for now.
>>> +    if (ospi->dma_chrx)
>>> +        dma_release_channel(ospi->dma_chrx);
>>>       return ret;
>>>   }
>>
>>
>>
> 




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