[PATCH v6 28/52] memory: tegra: Add and use devm_tegra_get_memory_controller()

[Dmitry Osipenko]

27.10.2020 12:42, Krzysztof Kozlowski пишет:
> On Mon, Oct 26, 2020 at 01:17:11AM +0300, Dmitry Osipenko wrote:
>> Multiple Tegra drivers need to retrieve Memory Controller and there is
>> duplication of the retrieval code among the drivers. This patch removes
>> the duplication and fixes put_device() which was missed in the duplicated
>> code.
>>
>> EMC drivers now use new common devm_tegra_get_memory_controller() helper
>> instead of opencoding the MC retrieval.
>>
>> Signed-off-by: Dmitry Osipenko <digetx at gmail.com>
>> ---
>>  drivers/memory/tegra/mc.c                | 48 ++++++++++++++++++++++++
>>  drivers/memory/tegra/tegra124-emc.c      | 18 ++-------
>>  drivers/memory/tegra/tegra210-emc-core.c | 39 +++++--------------
>>  drivers/memory/tegra/tegra30-emc.c       | 18 ++-------
>>  include/soc/tegra/mc.h                   | 10 +++++
>>  5 files changed, 74 insertions(+), 59 deletions(-)
>>
>> diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
>> index ec8403557ed4..12ea2c79205a 100644
>> --- a/drivers/memory/tegra/mc.c
>> +++ b/drivers/memory/tegra/mc.c
>> @@ -42,6 +42,54 @@ static const struct of_device_id tegra_mc_of_match[] = {
>>  };
>>  MODULE_DEVICE_TABLE(of, tegra_mc_of_match);
>>  
>> +static void tegra_mc_devm_action_put_device(void *data)
>> +{
>> +	struct tegra_mc *mc = data;
>> +
>> +	put_device(mc->dev);
>> +}
>> +
>> +/**
>> + * devm_tegra_get_memory_controller() - get Tegra Memory Controller handle
>> + * @dev: device pointer for the consumer device
>> + *
>> + * This function will search for the Memory Controller node in a device-tree
>> + * and retrieve the Memory Controller handle.
>> + *
>> + * Return: ERR_PTR() on error or a valid pointer to a struct tegra_mc.
>> + */
>> +struct tegra_mc *devm_tegra_get_memory_controller(struct device *dev)
> 
> Usually 'get' is a suffix (for example in clk, gpiod, iio, led), so:
> devm_tegra_memory_controller_get()

Alright, I'll rename it in v7.