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SubjectRe: [PATCH v2] mfd: syscon: Add syscon_regmap_lookup_by_phandle_optional() function.
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Hi Lee,

On 13/11/2020 11:19, Lee Jones wrote:
> On Tue, 10 Nov 2020, Enric Balletbo i Serra wrote:
>
>> This adds syscon_regmap_lookup_by_phandle_optional() function to get an
>> optional regmap.
>>
>> It behaves the same as syscon_regmap_lookup_by_phandle() except where
>> there is no regmap phandle. In this case, instead of returning -ENODEV,
>> the function returns NULL. This makes error checking simpler when the
>> regmap phandle is optional.
>>
>> Suggested-by: Nicolas Boichat <drinkcat@chromium.org>
>> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
>> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
>> ---
>>
>> Changes in v2:
>> - Add Matthias r-b tag.
>> - Add the explanation from the patch description to the code.
>> - Return NULL instead of -ENOTSUPP when regmap helpers are not enabled.
>>
>> drivers/mfd/syscon.c | 18 ++++++++++++++++++
>> include/linux/mfd/syscon.h | 11 +++++++++++
>> 2 files changed, 29 insertions(+)
>
> Applied, thanks.
>

I've a series [1] that's based on this patch, could you provide a stable branch
for it, so that I can take the series.

Thanks,
Matthias

[1]
https://lore.kernel.org/linux-mediatek/20201030113622.201188-1-enric.balletbo@collabora.com/

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