linux-kernel - Re: [PATCH 05/21] regulator: arizona-ldo1: Look up a descriptor and pass to the core

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Message-ID: <CACRpkdbOfycfGD-13OTEk7xT5FqLQsvcHrN-mn-vgjQ93cPHyQ@mail.gmail.com>
Date:   Thu, 19 Apr 2018 15:43:22 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Charles Keepax <ckeepax@...nsource.cirrus.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        patches@...nsource.cirrus.com,
        Richard Fitzgerald <rf@...nsource.cirrus.com>
Subject: Re: [PATCH 05/21] regulator: arizona-ldo1: Look up a descriptor and
 pass to the core

On Tue, Feb 13, 2018 at 12:06 PM, Charles Keepax
<ckeepax@...nsource.cirrus.com> wrote:
> On Mon, Feb 12, 2018 at 02:17:01PM +0100, Linus Walleij wrote:
>> Instead of passing a global GPIO number, pass a descriptor looked
>> up with the standard devm_gpiod_get_optional() call.
>>
>> We have augmented the GPIO core to look up the regulator special
>> GPIO "wlf,ldoena" in a separate patch.
>>
>> Cc: patches@...nsource.cirrus.com
>> Cc: Richard Fitzgerald <rf@...nsource.cirrus.com>
>> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
>> ---
>>  drivers/regulator/arizona-ldo1.c       | 19 ++++++-------------
>>  include/linux/regulator/arizona-ldo1.h |  3 ---
>>  2 files changed, 6 insertions(+), 16 deletions(-)
>>
>
> Does this patch not also need to update the hookups in
> arch/arm/mach-s3c64xx/mach-crag6410-module.c? There is
> wm5102_reva_pdata and wm5102_pdata both of which use the ldoena
> you are removing here?

OK fixed this!

> Also looking at this more you will need to you
> devm_gpio_get_from_of_node here since the device tree binding is
> for wlf,ldoena not wlf,ldoena-gpio. So this patch currently
> breaks the binding.

Actually not, because I fixed that in  the special quirk patch
6a537d48461d
"gpio: of: Support regulator nonstandard GPIO properties"
as mentioned in the commit message. (Will clarify.)

Yours,
Linus Walleij