On 2021-10-14 17:10, Dmitry Baryshkov wrote:
Switch to using bulk regulator API instead of hand coding loops.
Nice cleanup!
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org
Reviewed-by: Abhinav Kumar abhinavk@codeaurora.org
drivers/gpu/drm/msm/hdmi/hdmi.c | 34 +++++++---------------- drivers/gpu/drm/msm/hdmi/hdmi.h | 6 ++-- drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 20 ++++--------- drivers/gpu/drm/msm/hdmi/hdmi_connector.c | 24 ++++++---------- drivers/gpu/drm/msm/hdmi/hdmi_phy.c | 33 ++++++++-------------- 5 files changed, 40 insertions(+), 77 deletions(-)
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c index 737453b6e596..db17a000d968 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -154,19 +154,13 @@ static struct hdmi *msm_hdmi_init(struct platform_device *pdev) ret = -ENOMEM; goto fail; }
- for (i = 0; i < config->hpd_reg_cnt; i++) {
struct regulator *reg;
reg = devm_regulator_get(&pdev->dev,
config->hpd_reg_names[i]);
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
DRM_DEV_ERROR(&pdev->dev, "failed to get hpd regulator: %s (%d)\n",
config->hpd_reg_names[i], ret);
goto fail;
}
- for (i = 0; i < config->hpd_reg_cnt; i++)
hdmi->hpd_regs[i].supply = config->hpd_reg_names[i];
hdmi->hpd_regs[i] = reg;
- ret = devm_regulator_bulk_get(&pdev->dev, config->hpd_reg_cnt,
hdmi->hpd_regs);
if (ret) {
DRM_DEV_ERROR(&pdev->dev, "failed to get hpd regulator: %d\n", ret);
goto fail;
}
hdmi->pwr_regs = devm_kcalloc(&pdev->dev,
@@ -177,19 +171,11 @@ static struct hdmi *msm_hdmi_init(struct platform_device *pdev) ret = -ENOMEM; goto fail; }
for (i = 0; i < config->pwr_reg_cnt; i++) {
struct regulator *reg;
reg = devm_regulator_get(&pdev->dev,
config->pwr_reg_names[i]);
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %s (%d)\n",
config->pwr_reg_names[i], ret);
goto fail;
}
hdmi->pwr_regs[i] = reg;
- ret = devm_regulator_bulk_get(&pdev->dev, config->pwr_reg_cnt,
hdmi->pwr_regs);
if (ret) {
DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %d\n", ret);
goto fail;
}
hdmi->hpd_clks = devm_kcalloc(&pdev->dev,
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h index d0b84f0abee1..82261078c6b1 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.h +++ b/drivers/gpu/drm/msm/hdmi/hdmi.h @@ -56,8 +56,8 @@ struct hdmi { void __iomem *qfprom_mmio; phys_addr_t mmio_phy_addr;
- struct regulator **hpd_regs;
- struct regulator **pwr_regs;
- struct regulator_bulk_data *hpd_regs;
- struct regulator_bulk_data *pwr_regs; struct clk **hpd_clks; struct clk **pwr_clks;
@@ -163,7 +163,7 @@ struct hdmi_phy { void __iomem *mmio; struct hdmi_phy_cfg *cfg; const struct hdmi_phy_funcs *funcs;
- struct regulator **regs;
- struct regulator_bulk_data *regs; struct clk **clks;
};
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c index 6e380db9287b..f04eb4a70f0d 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c @@ -28,13 +28,9 @@ static void msm_hdmi_power_on(struct drm_bridge *bridge)
pm_runtime_get_sync(&hdmi->pdev->dev);
- for (i = 0; i < config->pwr_reg_cnt; i++) {
ret = regulator_enable(hdmi->pwr_regs[i]);
if (ret) {
DRM_DEV_ERROR(dev->dev, "failed to enable pwr regulator: %s
(%d)\n",
config->pwr_reg_names[i], ret);
}
- }
- ret = regulator_bulk_enable(config->pwr_reg_cnt, hdmi->pwr_regs);
- if (ret)
DRM_DEV_ERROR(dev->dev, "failed to enable pwr regulator: %d\n",
ret);
if (config->pwr_clk_cnt > 0) { DBG("pixclock: %lu", hdmi->pixclock); @@ -70,13 +66,9 @@ static void power_off(struct drm_bridge *bridge) for (i = 0; i < config->pwr_clk_cnt; i++) clk_disable_unprepare(hdmi->pwr_clks[i]);
- for (i = 0; i < config->pwr_reg_cnt; i++) {
ret = regulator_disable(hdmi->pwr_regs[i]);
if (ret) {
DRM_DEV_ERROR(dev->dev, "failed to disable pwr regulator: %s
(%d)\n",
config->pwr_reg_names[i], ret);
}
- }
- ret = regulator_bulk_disable(config->pwr_reg_cnt, hdmi->pwr_regs);
- if (ret)
DRM_DEV_ERROR(dev->dev, "failed to disable pwr regulator: %d\n",
ret);
pm_runtime_put_autosuspend(&hdmi->pdev->dev); } diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c index 58707a1f3878..a7f729cdec7b 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c @@ -146,16 +146,13 @@ int msm_hdmi_hpd_enable(struct drm_connector *connector) const struct hdmi_platform_config *config = hdmi->config; struct device *dev = &hdmi->pdev->dev; uint32_t hpd_ctrl;
- int i, ret;
- int ret; unsigned long flags;
- for (i = 0; i < config->hpd_reg_cnt; i++) {
ret = regulator_enable(hdmi->hpd_regs[i]);
if (ret) {
DRM_DEV_ERROR(dev, "failed to enable hpd regulator: %s (%d)\n",
config->hpd_reg_names[i], ret);
goto fail;
}
ret = regulator_bulk_enable(config->hpd_reg_cnt, hdmi->hpd_regs);
if (ret) {
DRM_DEV_ERROR(dev, "failed to enable hpd regulators: %d\n", ret);
goto fail;
}
ret = pinctrl_pm_select_default_state(dev);
@@ -207,7 +204,7 @@ static void hdp_disable(struct hdmi_connector *hdmi_connector) struct hdmi *hdmi = hdmi_connector->hdmi; const struct hdmi_platform_config *config = hdmi->config; struct device *dev = &hdmi->pdev->dev;
- int i, ret = 0;
int ret;
/* Disable HPD interrupt */ hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL, 0);
@@ -225,12 +222,9 @@ static void hdp_disable(struct hdmi_connector *hdmi_connector) if (ret) dev_warn(dev, "pinctrl state chg failed: %d\n", ret);
- for (i = 0; i < config->hpd_reg_cnt; i++) {
ret = regulator_disable(hdmi->hpd_regs[i]);
if (ret)
dev_warn(dev, "failed to disable hpd regulator: %s (%d)\n",
config->hpd_reg_names[i], ret);
- }
- ret = regulator_bulk_disable(config->hpd_reg_cnt, hdmi->hpd_regs);
- if (ret)
dev_warn(dev, "failed to disable hpd regulator: %d\n", ret);
}
static void diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy.c index 8a38d4b95102..16b0e8836d27 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_phy.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy.c @@ -23,22 +23,15 @@ static int msm_hdmi_phy_resource_init(struct hdmi_phy *phy) if (!phy->clks) return -ENOMEM;
- for (i = 0; i < cfg->num_regs; i++) {
struct regulator *reg;
reg = devm_regulator_get(dev, cfg->reg_names[i]);
if (IS_ERR(reg)) {
ret = PTR_ERR(reg);
if (ret != -EPROBE_DEFER) {
DRM_DEV_ERROR(dev,
"failed to get phy regulator: %s (%d)\n",
cfg->reg_names[i], ret);
}
- for (i = 0; i < cfg->num_regs; i++)
phy->regs[i].supply = cfg->reg_names[i];
return ret;
}
- ret = devm_regulator_bulk_get(dev, cfg->num_regs, phy->regs);
- if (ret) {
if (ret != -EPROBE_DEFER)
DRM_DEV_ERROR(dev, "failed to get phy regulators: %d\n", ret);
phy->regs[i] = reg;
return ret;
}
for (i = 0; i < cfg->num_clks; i++) {
@@ -66,11 +59,10 @@ int msm_hdmi_phy_resource_enable(struct hdmi_phy *phy)
pm_runtime_get_sync(dev);
- for (i = 0; i < cfg->num_regs; i++) {
ret = regulator_enable(phy->regs[i]);
if (ret)
DRM_DEV_ERROR(dev, "failed to enable regulator: %s (%d)\n",
cfg->reg_names[i], ret);
ret = regulator_bulk_enable(cfg->num_regs, phy->regs);
if (ret) {
DRM_DEV_ERROR(dev, "failed to enable regulators: (%d)\n", ret);
return ret;
}
for (i = 0; i < cfg->num_clks; i++) {
@@ -92,8 +84,7 @@ void msm_hdmi_phy_resource_disable(struct hdmi_phy *phy) for (i = cfg->num_clks - 1; i >= 0; i--) clk_disable_unprepare(phy->clks[i]);
- for (i = cfg->num_regs - 1; i >= 0; i--)
regulator_disable(phy->regs[i]);
regulator_bulk_disable(cfg->num_regs, phy->regs);
pm_runtime_put_sync(dev);
}