Re: [PATCH v7 2/3] firmware: add Exynos ACPM protocol driver

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On 10/02/2025 09:59, Tudor Ambarus wrote:
> 
> 
> On 2/8/25 3:31 PM, Markus Elfring wrote:
>> …
>>> +++ b/drivers/firmware/samsung/exynos-acpm.c
>>> @@ -0,0 +1,771 @@
>> …
>>> +static int acpm_dequeue_by_polling(struct acpm_chan *achan,
>>> +				   const struct acpm_xfer *xfer)
>>> +{
>> …
>>> +	do {
>>> +		mutex_lock(&achan->rx_lock);
>>> +		ret = acpm_get_rx(achan, xfer);
>>> +		mutex_unlock(&achan->rx_lock);
>> …
>>
>> Under which circumstances would you become interested to apply a statement
>> like “guard(mutex)(&achan->rx_lock);”?
>> https://elixir.bootlin.com/linux/v6.13.1/source/include/linux/mutex.h#L201
> 
> I'll replace the open-coded mutex handling with cleanup.h guard(mutex)
> and scoped_guard(mutex, ...), thanks.
FYI, Markus is PLONKed so I won't ever see what he writes.

<form letter>
Feel free to ignore all comments from Markus, regardless whether the
suggestion is reasonable or not. Several maintainers ignore Markus'
feedback, because it is just a waste of time.
</form letter>

Best regards,
Krzysztof




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