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Message-ID: <41fcadb9-4fa9-65e8-5ef3-5844bcba1b1d@free-electrons.com> Date: Thu, 7 Dec 2017 10:03:49 +0100 From: Quentin Schulz <quentin.schulz@...e-electrons.com> To: Chen-Yu Tsai <wens@...e.org> Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>, Sebastian Reichel <sre@...nel.org>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Russell King <linux@...linux.org.uk>, Jonathan Cameron <jic23@...nel.org>, Lee Jones <lee.jones@...aro.org>, Hartmut Knaack <knaack.h@....de>, Lars-Peter Clausen <lars@...afoo.de>, Peter Meerwald-Stadler <pmeerw@...erw.net>, "open list:THERMAL" <linux-pm@...r.kernel.org>, devicetree <devicetree@...r.kernel.org>, linux-kernel <linux-kernel@...r.kernel.org>, linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, linux-iio@...r.kernel.org, Icenowy Zheng <icenowy@...c.io>, linux-sunxi <linux-sunxi@...glegroups.com>, Thomas Petazzoni <thomas.petazzoni@...e-electrons.com> Subject: Re: [PATCH 3/8] mfd: axp20x: probe axp20x_adc driver for AXP813 Hi Chen-Yu, On 07/12/2017 09:54, Chen-Yu Tsai wrote: > On Thu, Dec 7, 2017 at 4:51 PM, Quentin Schulz > <quentin.schulz@...e-electrons.com> wrote: >> Hi Maxime, >> >> On 05/12/2017 09:08, Maxime Ripard wrote: >>> On Mon, Dec 04, 2017 at 03:12:49PM +0100, Quentin Schulz wrote: >>>> This makes the axp20x_adc driver probe with platform device id >>>> "axp813-adc". >>>> >>>> Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com> >>>> --- >>>> drivers/mfd/axp20x.c | 4 +++- >>>> 1 file changed, 3 insertions(+), 1 deletion(-) >>>> >>>> diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c >>>> index 2468b43..42e54d1 100644 >>>> --- a/drivers/mfd/axp20x.c >>>> +++ b/drivers/mfd/axp20x.c >>>> @@ -878,7 +878,9 @@ static struct mfd_cell axp813_cells[] = { >>>> .resources = axp803_pek_resources, >>>> }, { >>>> .name = "axp20x-regulator", >>>> - } >>>> + }, { >>>> + .name = "axp813-adc", >>>> + }, >>> >>> Any particular reason you're not adding it to the DT? >>> >> >> No, no particular reason. It's just the way it is currently for AXP209 >> and AXP22x so did the same for AXP813. >> >> I'll add DT "support" in next version for all AXPs supported by this >> driver. Or is it worthy of a small separate patch series? > > IIRC there's no DT support because there's no need to reference > it in the device tree. > No current need but that does not mean there won't be a need later for drivers to map IIO channels from the ADC driver (i.e. some components wired to GPIOs of the PMIC for example). Quentin -- Quentin Schulz, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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