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phy: exynos-mipi-video: Simplify code by using regmap_update_bits() 

There is no functional change, just replacing regmap_read()/modify/
regmap_write() with regmap_update_bits() function calls.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Sylwester Nawrocki 2018-04-16 18:19:38 +02:00 committed by Kishon Vijay Abraham I
parent 60cc43fc88
commit af09a5e926
1 changed files with 14 additions and 20 deletions
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34
drivers/phy/samsung/phy-exynos-mipi-video.c
View File

@ -231,33 +231,27 @@ struct exynos_mipi_video_phy {
static int __set_phy_state(const struct exynos_mipi_phy_desc *data,
struct exynos_mipi_video_phy *state, unsigned int on)
{
u32 val;
struct regmap *enable_map = state->regmaps[data->enable_map];
struct regmap *resetn_map = state->regmaps[data->resetn_map];
spin_lock(&state->slock);
/* disable in PMU sysreg */
if (!on && data->coupled_phy_id >= 0 &&
state->phys[data->coupled_phy_id].phy->power_count == 0) {
regmap_read(state->regmaps[data->enable_map], data->enable_reg,
&val);
val &= ~data->enable_val;
regmap_write(state->regmaps[data->enable_map], data->enable_reg,
val);
}
state->phys[data->coupled_phy_id].phy->power_count == 0)
regmap_update_bits(enable_map, data->enable_reg,
data->enable_val, 0);
/* PHY reset */
regmap_read(state->regmaps[data->resetn_map], data->resetn_reg, &val);
val = on ? (val | data->resetn_val) : (val & ~data->resetn_val);
regmap_write(state->regmaps[data->resetn_map], data->resetn_reg, val);
if (on)
regmap_update_bits(resetn_map, data->resetn_reg,
data->resetn_val, data->resetn_val);
else
regmap_update_bits(resetn_map, data->resetn_reg,
data->resetn_val, 0);
/* enable in PMU sysreg */
if (on) {
regmap_read(state->regmaps[data->enable_map], data->enable_reg,
&val);
val |= data->enable_val;
regmap_write(state->regmaps[data->enable_map], data->enable_reg,
val);
}
if (on)
regmap_update_bits(enable_map, data->enable_reg,
data->enable_val, data->enable_val);
spin_unlock(&state->slock);