| Message ID | YowH0Q5HAGU7Grx2@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Input: mtk-pmic-keys - use single update when configuring long press behavior | expand |
On lun., mai 23, 2022 at 15:16, Dmitry Torokhov <dmitry.torokhov@gmail.com> wrote: > Instead of doing 3 read-modify-write operations when configuring behavior > of long-press, consolidate everything into one. > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Hi Dmitry, Thank you for improving the driver. I've tested this with evtest on mt8183-pumpkin on input/next (fabcf4d8696839a8da8a3f90d1fd30ae923ddde7). Note that I needed to add [1] on top as well for the driver to be loaded, since [1] is not part of input/next [1] https://lore.kernel.org/r/20220121140323.4080640-5-mkorpershoek@baylibre.com/ Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> Tested-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> # on mt8183-pumpkin > --- > drivers/input/keyboard/mtk-pmic-keys.c | 71 ++++++++++---------------- > 1 file changed, 28 insertions(+), 43 deletions(-) > > diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c > index c31ab4368388..d2f0db245ff6 100644 > --- a/drivers/input/keyboard/mtk-pmic-keys.c > +++ b/drivers/input/keyboard/mtk-pmic-keys.c > @@ -18,17 +18,11 @@ > #include <linux/platform_device.h> > #include <linux/regmap.h> > > -#define MTK_PMIC_PWRKEY_RST_EN_MASK 0x1 > -#define MTK_PMIC_PWRKEY_RST_EN_SHIFT 6 > -#define MTK_PMIC_HOMEKEY_RST_EN_MASK 0x1 > -#define MTK_PMIC_HOMEKEY_RST_EN_SHIFT 5 > -#define MTK_PMIC_RST_DU_MASK 0x3 > -#define MTK_PMIC_RST_DU_SHIFT 8 > - > -#define MTK_PMIC_PWRKEY_RST \ > - (MTK_PMIC_PWRKEY_RST_EN_MASK << MTK_PMIC_PWRKEY_RST_EN_SHIFT) > -#define MTK_PMIC_HOMEKEY_RST \ > - (MTK_PMIC_HOMEKEY_RST_EN_MASK << MTK_PMIC_HOMEKEY_RST_EN_SHIFT) > +#define MTK_PMIC_RST_DU_MASK GENMASK(9, 8) > +#define MTK_PMIC_RST_DU_SHIFT 8 > +#define MTK_PMIC_RST_KEY_MASK GENMASK(6, 5) > +#define MTK_PMIC_PWRKEY_RST BIT(6) > +#define MTK_PMIC_HOMEKEY_RST BIT(5) > > #define MTK_PMIC_PWRKEY_INDEX 0 > #define MTK_PMIC_HOMEKEY_INDEX 1 > @@ -108,53 +102,44 @@ enum mtk_pmic_keys_lp_mode { > }; > > static void mtk_pmic_keys_lp_reset_setup(struct mtk_pmic_keys *keys, > - u32 pmic_rst_reg) > + u32 pmic_rst_reg) > { > - int ret; > u32 long_press_mode, long_press_debounce; > + u32 value, mask; > + int error; > > - ret = of_property_read_u32(keys->dev->of_node, > - "power-off-time-sec", &long_press_debounce); > - if (ret) > + error = of_property_read_u32(keys->dev->of_node, "power-off-time-sec", > + &long_press_debounce); > + if (error) > long_press_debounce = 0; > > - regmap_update_bits(keys->regmap, pmic_rst_reg, > - MTK_PMIC_RST_DU_MASK << MTK_PMIC_RST_DU_SHIFT, > - long_press_debounce << MTK_PMIC_RST_DU_SHIFT); > + mask = MTK_PMIC_RST_DU_MASK; > + value = long_press_debounce << MTK_PMIC_RST_DU_SHIFT; > > - ret = of_property_read_u32(keys->dev->of_node, > - "mediatek,long-press-mode", &long_press_mode); > - if (ret) > + error = of_property_read_u32(keys->dev->of_node, > + "mediatek,long-press-mode", > + &long_press_mode); > + if (error) > long_press_mode = LP_DISABLE; > > switch (long_press_mode) { > - case LP_ONEKEY: > - regmap_update_bits(keys->regmap, pmic_rst_reg, > - MTK_PMIC_PWRKEY_RST, > - MTK_PMIC_PWRKEY_RST); > - regmap_update_bits(keys->regmap, pmic_rst_reg, > - MTK_PMIC_HOMEKEY_RST, > - 0); > - break; > case LP_TWOKEY: > - regmap_update_bits(keys->regmap, pmic_rst_reg, > - MTK_PMIC_PWRKEY_RST, > - MTK_PMIC_PWRKEY_RST); > - regmap_update_bits(keys->regmap, pmic_rst_reg, > - MTK_PMIC_HOMEKEY_RST, > - MTK_PMIC_HOMEKEY_RST); > - break; > + value |= MTK_PMIC_HOMEKEY_RST; > + fallthrough; > + > + case LP_ONEKEY: > + value |= MTK_PMIC_PWRKEY_RST; > + fallthrough; > + > case LP_DISABLE: > - regmap_update_bits(keys->regmap, pmic_rst_reg, > - MTK_PMIC_PWRKEY_RST, > - 0); > - regmap_update_bits(keys->regmap, pmic_rst_reg, > - MTK_PMIC_HOMEKEY_RST, > - 0); > + mask |= MTK_PMIC_RST_KEY_MASK; > break; > + > default: > break; > } > + > + regmap_update_bits(keys->regmap, pmic_rst_reg, mask, value); > } > > static irqreturn_t mtk_pmic_keys_irq_handler_thread(int irq, void *data) > -- > 2.36.1.124.g0e6072fb45-goog > > > -- > Dmitry
diff --git a/drivers/input/keyboard/mtk-pmic-keys.c b/drivers/input/keyboard/mtk-pmic-keys.c index c31ab4368388..d2f0db245ff6 100644 --- a/drivers/input/keyboard/mtk-pmic-keys.c +++ b/drivers/input/keyboard/mtk-pmic-keys.c @@ -18,17 +18,11 @@ #include <linux/platform_device.h> #include <linux/regmap.h> -#define MTK_PMIC_PWRKEY_RST_EN_MASK 0x1 -#define MTK_PMIC_PWRKEY_RST_EN_SHIFT 6 -#define MTK_PMIC_HOMEKEY_RST_EN_MASK 0x1 -#define MTK_PMIC_HOMEKEY_RST_EN_SHIFT 5 -#define MTK_PMIC_RST_DU_MASK 0x3 -#define MTK_PMIC_RST_DU_SHIFT 8 - -#define MTK_PMIC_PWRKEY_RST \ - (MTK_PMIC_PWRKEY_RST_EN_MASK << MTK_PMIC_PWRKEY_RST_EN_SHIFT) -#define MTK_PMIC_HOMEKEY_RST \ - (MTK_PMIC_HOMEKEY_RST_EN_MASK << MTK_PMIC_HOMEKEY_RST_EN_SHIFT) +#define MTK_PMIC_RST_DU_MASK GENMASK(9, 8) +#define MTK_PMIC_RST_DU_SHIFT 8 +#define MTK_PMIC_RST_KEY_MASK GENMASK(6, 5) +#define MTK_PMIC_PWRKEY_RST BIT(6) +#define MTK_PMIC_HOMEKEY_RST BIT(5) #define MTK_PMIC_PWRKEY_INDEX 0 #define MTK_PMIC_HOMEKEY_INDEX 1 @@ -108,53 +102,44 @@ enum mtk_pmic_keys_lp_mode { }; static void mtk_pmic_keys_lp_reset_setup(struct mtk_pmic_keys *keys, - u32 pmic_rst_reg) + u32 pmic_rst_reg) { - int ret; u32 long_press_mode, long_press_debounce; + u32 value, mask; + int error; - ret = of_property_read_u32(keys->dev->of_node, - "power-off-time-sec", &long_press_debounce); - if (ret) + error = of_property_read_u32(keys->dev->of_node, "power-off-time-sec", + &long_press_debounce); + if (error) long_press_debounce = 0; - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_RST_DU_MASK << MTK_PMIC_RST_DU_SHIFT, - long_press_debounce << MTK_PMIC_RST_DU_SHIFT); + mask = MTK_PMIC_RST_DU_MASK; + value = long_press_debounce << MTK_PMIC_RST_DU_SHIFT; - ret = of_property_read_u32(keys->dev->of_node, - "mediatek,long-press-mode", &long_press_mode); - if (ret) + error = of_property_read_u32(keys->dev->of_node, + "mediatek,long-press-mode", + &long_press_mode); + if (error) long_press_mode = LP_DISABLE; switch (long_press_mode) { - case LP_ONEKEY: - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_PWRKEY_RST, - MTK_PMIC_PWRKEY_RST); - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_HOMEKEY_RST, - 0); - break; case LP_TWOKEY: - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_PWRKEY_RST, - MTK_PMIC_PWRKEY_RST); - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_HOMEKEY_RST, - MTK_PMIC_HOMEKEY_RST); - break; + value |= MTK_PMIC_HOMEKEY_RST; + fallthrough; + + case LP_ONEKEY: + value |= MTK_PMIC_PWRKEY_RST; + fallthrough; + case LP_DISABLE: - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_PWRKEY_RST, - 0); - regmap_update_bits(keys->regmap, pmic_rst_reg, - MTK_PMIC_HOMEKEY_RST, - 0); + mask |= MTK_PMIC_RST_KEY_MASK; break; + default: break; } + + regmap_update_bits(keys->regmap, pmic_rst_reg, mask, value); } static irqreturn_t mtk_pmic_keys_irq_handler_thread(int irq, void *data)
Instead of doing 3 read-modify-write operations when configuring behavior of long-press, consolidate everything into one. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> --- drivers/input/keyboard/mtk-pmic-keys.c | 71 ++++++++++---------------- 1 file changed, 28 insertions(+), 43 deletions(-)