diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-rockchip.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-rockchip.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 5e8b2e04cd7a..0c372a300cb8 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -438,7 +438,7 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) int reg, ret, mask; unsigned long flags; u8 bit; - u32 data; + u32 data, rmask; if (iomux_num > 3) return -EINVAL; @@ -478,8 +478,9 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) spin_lock_irqsave(&bank->slock, flags); data = (mask << (bit + 16)); + rmask = data | (data >> 16); data |= (mux & mask) << bit; - ret = regmap_write(regmap, reg, data); + ret = regmap_update_bits(regmap, reg, rmask, data); spin_unlock_irqrestore(&bank->slock, flags); @@ -634,7 +635,7 @@ static int rk3288_set_drive(struct rockchip_pin_bank *bank, int pin_num, struct regmap *regmap; unsigned long flags; int reg, ret, i; - u32 data; + u32 data, rmask; u8 bit; rk3288_calc_drv_reg_and_bit(bank, pin_num, ®map, ®, &bit); @@ -657,9 +658,10 @@ static int rk3288_set_drive(struct rockchip_pin_bank *bank, int pin_num, /* enable the write to the equivalent lower bits */ data = ((1 << RK3288_DRV_BITS_PER_PIN) - 1) << (bit + 16); + rmask = data | (data >> 16); data |= (ret << bit); - ret = regmap_write(regmap, reg, data); + ret = regmap_update_bits(regmap, reg, rmask, data); spin_unlock_irqrestore(&bank->slock, flags); return ret; @@ -722,7 +724,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, int reg, ret; unsigned long flags; u8 bit; - u32 data; + u32 data, rmask; dev_dbg(info->dev, "setting pull of GPIO%d-%d to %d\n", bank->bank_num, pin_num, pull); @@ -750,6 +752,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, /* enable the write to the equivalent lower bits */ data = ((1 << RK3188_PULL_BITS_PER_PIN) - 1) << (bit + 16); + rmask = data | (data >> 16); switch (pull) { case PIN_CONFIG_BIAS_DISABLE: @@ -770,7 +773,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, return -EINVAL; } - ret = regmap_write(regmap, reg, data); + ret = regmap_update_bits(regmap, reg, rmask, data); spin_unlock_irqrestore(&bank->slock, flags); break; |