[PATCH v4 2/3] spi: cadence-quadspi: Add clock configuration for StarFive JH7110 QSPI
William Qiu
william.qiu at starfivetech.com
Wed Jul 5 00:04:55 PDT 2023
On 2023/7/5 14:21, Krzysztof Kozlowski wrote:
> On 04/07/2023 11:04, William Qiu wrote:
>> Add QSPI clock operation in device probe.
>>
>> Signed-off-by: William Qiu <william.qiu at starfivetech.com>
>> Reviewed-by: Hal Feng <hal.feng at starfivetech.com>
>> Reported-by: kernel test robot <lkp at intel.com>
>> Closes: https://lore.kernel.org/oe-kbuild-all/202306022017.UbwjjWRN-lkp@intel.com/
>> Reported-by: Julia Lawall <julia.lawall at inria.fr>
>> Closes: https://lore.kernel.org/r/202306040644.6ZHs55x4-lkp@intel.com/
>
>
>>
>> @@ -1840,6 +1858,8 @@ static int cqspi_resume(struct device *dev)
>> struct spi_master *master = dev_get_drvdata(dev);
>>
>> clk_prepare_enable(cqspi->clk);
>> + if (of_device_is_compatible(dev->of_node, "starfive,jh7110-qspi"))
>
> Don't add compatible checks inside the code. It does not scale. We
> expect compatibles to be listed only in one place - of_device_id - and
> customize driver with match data / quirks / flags.
>
> Comment applies to all your diff hunks.
>
I'll use "of_device_get_match_data" to replace it. But the way I added
reset before is also by compatible checks. Should I change this place to
"of_device_get_match_data" as well?
>> + clk_bulk_prepare_enable(cqspi->num_clks, cqspi->clks);
>> cqspi_wait_idle(cqspi);
>> cqspi_controller_init(cqspi);
>>
>
> Best regards,
> Krzysztof
>
More information about the linux-riscv
mailing list