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mfd: axp20x: Mark axp288 CHRG_BAK_CTRL register volatile 

The input current limit bits get updated by the charger detection logic,
so we should not cache the contents of this register.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
hifive-unleashed-5.1
Hans de Goede 2017-12-22 13:35:09 +01:00 committed by Lee Jones
parent 156d07050b
commit 0c384fc862
1 changed files with 1 additions and 0 deletions
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drivers/mfd/axp20x.c
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@ -129,6 +129,7 @@ static const struct regmap_range axp288_volatile_ranges[] = {
regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP288_POWER_REASON),
regmap_reg_range(AXP288_BC_GLOBAL, AXP288_BC_GLOBAL),
regmap_reg_range(AXP288_BC_DET_STAT, AXP288_BC_DET_STAT),
regmap_reg_range(AXP20X_CHRG_BAK_CTRL, AXP20X_CHRG_BAK_CTRL),
regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
regmap_reg_range(AXP20X_TIMER_CTRL, AXP20X_TIMER_CTRL),
regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),