Re: [PATCH] regulator: da9063: fix DT probing with constraints

From: Lee Jones
Date: Mon Sep 10 2018 - 11:56:50 EST


On Fri, 31 Aug 2018, Philipp Zabel wrote:

> Commit 1c892e38ce59 ("regulator: da9063: Handle less LDOs on DA9063L")
> reordered the da9063_regulator_info[] array, but not the DA9063_ID_*
> regulator ids and not the da9063_matches[] array, because ids are used
> as indices in the array initializer. This mismatch between regulator id
> and da9063_regulator_info[] array index causes the driver probe to fail
> because constraints from DT are not applied to the correct regulator:
>
> da9063 0-0058: Device detected (chip-ID: 0x61, var-ID: 0x50)
> DA9063_BMEM: Bringing 900000uV into 3300000-3300000uV
> DA9063_LDO9: Bringing 3300000uV into 2500000-2500000uV
> DA9063_LDO1: Bringing 900000uV into 3300000-3300000uV
> DA9063_LDO1: failed to apply 3300000-3300000uV constraint(-22)
>
> This patch reorders the DA9063_ID_* as apparently intended, and with
> them the entries in the da90630_matches[] array.
>
> Fixes: 1c892e38ce59 ("regulator: da9063: Handle less LDOs on DA9063L")
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> Cc: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
> Cc: Mark Brown <broonie@xxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> ---
> include/linux/mfd/da9063/pdata.h | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)

This is an MFD patch.

I'll make the necessary changes and apply it.

--
Lee Jones [æçæ]
Linaro Services Technical Lead
Linaro.org â Open source software for ARM SoCs
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