regulator: s2mps11: Reduce number of rdev_get_id() calls
authorKrzysztof Kozlowski <krzk@kernel.org>
Thu, 20 Jun 2019 18:35:26 +0000 (20:35 +0200)
committerMark Brown <broonie@kernel.org>
Mon, 24 Jun 2019 16:26:36 +0000 (17:26 +0100)
Store the regulator ID instead of calling rdev_get_id() every time.
This makes code slightly easier to read as shorter 'rdev_id' variable is
used instead of full call.  This can also speed things up by reducing
number of calls, although effect was not measured.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/regulator/s2mps11.c

index 134c62d..9357071 100644 (file)
@@ -70,10 +70,11 @@ static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
                                   unsigned int new_selector)
 {
        struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
+       int rdev_id = rdev_get_id(rdev);
        unsigned int ramp_delay = 0;
        int old_volt, new_volt;
 
-       switch (rdev_get_id(rdev)) {
+       switch (rdev_id) {
        case S2MPS11_BUCK2:
                ramp_delay = s2mps11->ramp_delay2;
                break;
@@ -111,9 +112,10 @@ static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
        struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
        unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK;
        unsigned int ramp_enable = 1, enable_shift = 0;
+       int rdev_id = rdev_get_id(rdev);
        int ret;
 
-       switch (rdev_get_id(rdev)) {
+       switch (rdev_id) {
        case S2MPS11_BUCK1:
                if (ramp_delay > s2mps11->ramp_delay16)
                        s2mps11->ramp_delay16 = ramp_delay;
@@ -203,9 +205,8 @@ static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
                goto ramp_disable;
 
        /* Ramp delay can be enabled/disabled only for buck[2346] */
-       if ((rdev_get_id(rdev) >= S2MPS11_BUCK2 &&
-                       rdev_get_id(rdev) <= S2MPS11_BUCK4) ||
-                       rdev_get_id(rdev) == S2MPS11_BUCK6)  {
+       if ((rdev_id >= S2MPS11_BUCK2 && rdev_id <= S2MPS11_BUCK4) ||
+           rdev_id == S2MPS11_BUCK6)  {
                ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
                                         1 << enable_shift, 1 << enable_shift);
                if (ret) {
@@ -503,20 +504,21 @@ static const struct regulator_desc s2mps13_regulators[] = {
 static int s2mps14_regulator_enable(struct regulator_dev *rdev)
 {
        struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
+       int rdev_id = rdev_get_id(rdev);
        unsigned int val;
 
        switch (s2mps11->dev_type) {
        case S2MPS13X:
        case S2MPS14X:
-               if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state))
+               if (test_bit(rdev_id, s2mps11->suspend_state))
                        val = S2MPS14_ENABLE_SUSPEND;
-               else if (s2mps11->ext_control_gpiod[rdev_get_id(rdev)])
+               else if (s2mps11->ext_control_gpiod[rdev_id])
                        val = S2MPS14_ENABLE_EXT_CONTROL;
                else
                        val = rdev->desc->enable_mask;
                break;
        case S2MPU02:
-               if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state))
+               if (test_bit(rdev_id, s2mps11->suspend_state))
                        val = S2MPU02_ENABLE_SUSPEND;
                else
                        val = rdev->desc->enable_mask;
@@ -570,7 +572,7 @@ static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev)
        if (ret < 0)
                return ret;
 
-       set_bit(rdev_get_id(rdev), s2mps11->suspend_state);
+       set_bit(rdev_id, s2mps11->suspend_state);
        /*
         * Don't enable suspend mode if regulator is already disabled because
         * this would effectively for a short time turn on the regulator after
@@ -856,8 +858,9 @@ static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
 static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 {
        unsigned int ramp_val, ramp_shift, ramp_reg;
+       int rdev_id = rdev_get_id(rdev);
 
-       switch (rdev_get_id(rdev)) {
+       switch (rdev_id) {
        case S2MPU02_BUCK1:
                ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT;
                break;