On 2024/9/9 19:51, Dmitry Baryshkov wrote:
> On Mon, 9 Sept 2024 at 14:46, Jinjie Ruan <ruanjinjie@xxxxxxxxxx> wrote:
>>
>>
>>
>> On 2024/9/9 17:49, Dmitry Baryshkov wrote:
>>> On Mon, Sep 09, 2024 at 03:31:41PM GMT, Jinjie Ruan wrote:
>>>> Use devm_pm_runtime_enable(), devm_request_irq() and
>>>> devm_spi_register_controller() to simplify code.
>>>>
>>>> And also register a callback spi_geni_release_dma_chan() with
>>>> devm_add_action_or_reset(), to release dma channel in both error
>>>> and device detach path, which can make sure the release sequence is
>>>> consistent with the original one.
>>>>
>>>> 1. Unregister spi controller.
>>>> 2. Free the IRQ.
>>>> 3. Free DMA chans
>>>> 4. Disable runtime PM.
>>>>
>>>> So the remove function can also be removed.
>>>>
>>>> Suggested-by: Doug Anderson <dianders@xxxxxxxxxxxx>
>>>> Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
>>>> ---
>>>> v3:
>>>> - Land the rest of the cleanups afterwards.
>>>> ---
>>>> drivers/spi/spi-geni-qcom.c | 37 +++++++++++++------------------------
>>>> 1 file changed, 13 insertions(+), 24 deletions(-)
>>>>
>>>> diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c
>>>> index 6f4057330444..8b0039d14605 100644
>>>> --- a/drivers/spi/spi-geni-qcom.c
>>>> +++ b/drivers/spi/spi-geni-qcom.c
>>>> @@ -632,8 +632,10 @@ static int spi_geni_grab_gpi_chan(struct spi_geni_master *mas)
>>>> return ret;
>>>> }
>>>>
>>>> -static void spi_geni_release_dma_chan(struct spi_geni_master *mas)
>>>> +static void spi_geni_release_dma_chan(void *data)
>>>> {
>>>> + struct spi_geni_master *mas = data;
>>>> +
>>>> if (mas->rx) {
>>>> dma_release_channel(mas->rx);
>>>> mas->rx = NULL;
>>>> @@ -1132,6 +1134,12 @@ static int spi_geni_probe(struct platform_device *pdev)
>>>> if (ret)
>>>> return ret;
>>>>
>>>> + ret = devm_add_action_or_reset(dev, spi_geni_release_dma_chan, spi);
>>>
>>> This should be mas, not spi.
>>>
>>> Doesn't looks like this was tested. Please correct me if I'm wrong.
>>
>> Yes, you are right, the data should be struct spi_geni_master, which is
>> mas. Sorry, only compile passed.
>
> Please perform a runtime test or mention it in the cover letter that
> it was only compile-tested.
Thank you! I'll add this information next version.
>
>
>
