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authorLee Jones <lee.jones@linaro.org>2013-03-28 16:11:03 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-29 17:49:08 +0000
commita1d494806698ae37c14b0c7fe9e6165e3b0c146c (patch)
tree1c856b0ab90ad4d54c455d5db25ff7b8bcbb5396 /arch/arm
parenta387ac5f7b1b37f26f4860344e68e1a1d86aae94 (diff)
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ARM: ux500: Provide a mechanism to over-ride regulator init values
If particular platforms require non-standard initialisation values, they can use this function to adapt them as required. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-ux500/board-mop500-regulators.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c
index 089cf2ae5927..22dfaf3d979a 100644
--- a/arch/arm/mach-ux500/board-mop500-regulators.c
+++ b/arch/arm/mach-ux500/board-mop500-regulators.c
@@ -476,3 +476,21 @@ struct ab8500_regulator_platform_data ab8500_regulator_plat_data = {
.ext_regulator = ab8500_ext_regulators,
.num_ext_regulator = ARRAY_SIZE(ab8500_ext_regulators),
};
+
+static void ab8500_modify_reg_init(int id, u8 mask, u8 value)
+{
+ int i;
+
+ for (i = ARRAY_SIZE(ab8500_reg_init) - 1; i >= 0; i--) {
+ if (ab8500_reg_init[i].id == id) {
+ u8 initval = ab8500_reg_init[i].value;
+ initval = (initval & ~mask) | (value & mask);
+ ab8500_reg_init[i].value = initval;
+
+ BUG_ON(mask & ~ab8500_reg_init[i].mask);
+ return;
+ }
+ }
+
+ BUG_ON(1);
+}