Messages in this thread Patch in this message | | | From | Andrej Picej <> | Subject | [PATCH 1/2] mfd: da9062: Make vbuck_a registers volatile | Date | Wed, 24 Nov 2021 08:00:00 +0100 |
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From: Stefan Riedmueller <s.riedmueller@phytec.de>
The VBUCK1_A, VBUCK2_A, VBUCK3_A and VBUCK4_A registers are used to set the desired output voltage of the BUCK 1-4 buck regulators. These values can be critical if used as input for core voltages. Thus make them volatile so they do not get cached.
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de> Signed-off-by: Andrej Picej <andrej.picej@norik.com> --- drivers/mfd/da9062-core.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c index 2774b2cbaea6..c0dad5461946 100644 --- a/drivers/mfd/da9062-core.c +++ b/drivers/mfd/da9062-core.c @@ -572,6 +572,8 @@ static const struct regmap_range da9062_aa_volatile_ranges[] = { regmap_reg_range(DA9062AA_COUNT_S, DA9062AA_SECOND_D), regmap_reg_range(DA9062AA_SEQ, DA9062AA_SEQ), regmap_reg_range(DA9062AA_EN_32K, DA9062AA_EN_32K), + regmap_reg_range(DA9062AA_VBUCK2_A, DA9062AA_VBUCK2_A), + regmap_reg_range(DA9062AA_VBUCK3_A, DA9062AA_VBUCK3_A), }; static const struct regmap_access_table da9062_aa_readable_table = { -- 2.25.1
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