lkml.org 
[lkml]   [2019]   [Mar]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 5.0 069/238] regulator: s2mps11: Fix steps for buck7, buck8 and LDO35
    Date
    5.0-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Krzysztof Kozlowski <krzk@kernel.org>

    commit 56b5d4ea778c1b0989c5cdb5406d4a488144c416 upstream.

    LDO35 uses 25 mV step, not 50 mV. Bucks 7 and 8 use 12.5 mV step
    instead of 6.25 mV. Wrong step caused over-voltage (LDO35) or
    under-voltage (buck7 and 8) if regulators were used (e.g. on Exynos5420
    Arndale Octa board).

    Cc: <stable@vger.kernel.org>
    Fixes: cb74685ecb39 ("regulator: s2mps11: Add samsung s2mps11 regulator driver")
    Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
    Signed-off-by: Mark Brown <broonie@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/regulator/s2mps11.c | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    --- a/drivers/regulator/s2mps11.c
    +++ b/drivers/regulator/s2mps11.c
    @@ -362,7 +362,7 @@ static const struct regulator_desc s2mps
    regulator_desc_s2mps11_ldo(32, STEP_50_MV),
    regulator_desc_s2mps11_ldo(33, STEP_50_MV),
    regulator_desc_s2mps11_ldo(34, STEP_50_MV),
    - regulator_desc_s2mps11_ldo(35, STEP_50_MV),
    + regulator_desc_s2mps11_ldo(35, STEP_25_MV),
    regulator_desc_s2mps11_ldo(36, STEP_50_MV),
    regulator_desc_s2mps11_ldo(37, STEP_50_MV),
    regulator_desc_s2mps11_ldo(38, STEP_50_MV),
    @@ -372,8 +372,8 @@ static const struct regulator_desc s2mps
    regulator_desc_s2mps11_buck1_4(4),
    regulator_desc_s2mps11_buck5,
    regulator_desc_s2mps11_buck67810(6, MIN_600_MV, STEP_6_25_MV),
    - regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_6_25_MV),
    - regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_6_25_MV),
    + regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_12_5_MV),
    + regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_12_5_MV),
    regulator_desc_s2mps11_buck9,
    regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV),
    };

    \
     
     \ /
      Last update: 2019-03-22 13:19    [W:4.017 / U:0.056 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site