Re: [PATCH v5 4/5] regulator: add regulator driver of hi655x pmic

From: chenfeng
Date: Mon Jan 18 2016 - 03:27:01 EST




On 2016/1/16 2:07, Mark Brown wrote:
> On Tue, Jan 12, 2016 at 10:18:03AM +0800, chenfeng wrote:
>> On 2016/1/12 2:24, Mark Brown wrote:
>>> On Mon, Jan 11, 2016 at 08:20:16PM +0800, Chen Feng wrote:
>
>>>> +config REGULATOR_HI655X
>>>> + tristate "Hisilicon HI655X PMIC regulators support"
>>>> + depends on ARCH_HISI || (COMPILE_TEST && ARM64)
>
>>> Why does this depend on ARM64? If it's needed it probably indicates a
>>> problem...
>
>> There will be compile warning with arch parisc.
>
>> Add the current support platform is ARM64.
>
> The whole point of COMPILE_TEST is to allow people who are working
> generally rather than with the particular hardware to build things to
> improve build test coverage when doing general kernel work. A warning
> on a very obscure architecture is really not a blocker here.
>
ok, I will remove the ARM64 depends.
>> I am not sure about open coding regulators_node.
>
>> I take max8907-regulator.c for reference. The code there is:
>> 224 static int max8907_regulator_parse_dt(struct platform_device *pdev)
>
> The existance of older drivers that have not yet been converted to use
> newer core subsystem features is not a good reason to avoid using those
> core subsystem features. You'll commonly find this situation in the
> kernel.
>
>> Can you give me some references? Really thanks for your help.
>
> $ grep -l regulators_node drivers/regulator/*.c
> drivers/regulator/88pm800.c
> drivers/regulator/axp20x-regulator.c
> drivers/regulator/da9062-regulator.c
> drivers/regulator/isl9305.c
> drivers/regulator/max14577.c
> drivers/regulator/max77686.c
> drivers/regulator/max77693.c
> drivers/regulator/max77802.c
> drivers/regulator/mt6311-regulator.c
> drivers/regulator/of_regulator.c
> drivers/regulator/pv88060-regulator.c
> drivers/regulator/pv88090-regulator.c
> drivers/regulator/rn5t618-regulator.c
> drivers/regulator/rt5033-regulator.c
> drivers/regulator/sky81452-regulator.c
> drivers/regulator/tps65023-regulator.c
> drivers/regulator/tps65086-regulator.c
> drivers/regulator/tps65217-regulator.c
>
Understand, I will remove the match-table and add the regulators_node
to match the regulator-compatible in dts.