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path: root/drivers/clk/qcom/dispcc-sm8250.c
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Diffstat (limited to 'drivers/clk/qcom/dispcc-sm8250.c')
-rw-r--r--drivers/clk/qcom/dispcc-sm8250.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c
index bf9ffe1a1cf4..566fdfa0a15b 100644
--- a/drivers/clk/qcom/dispcc-sm8250.c
+++ b/drivers/clk/qcom/dispcc-sm8250.c
@@ -6,6 +6,7 @@
#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/reset-controller.h>
@@ -1228,13 +1229,31 @@ static const struct of_device_id disp_cc_sm8250_match_table[] = {
};
MODULE_DEVICE_TABLE(of, disp_cc_sm8250_match_table);
+static void disp_cc_sm8250_pm_runtime_disable(void *data)
+{
+ pm_runtime_disable(data);
+}
+
static int disp_cc_sm8250_probe(struct platform_device *pdev)
{
struct regmap *regmap;
+ int ret;
+
+ pm_runtime_enable(&pdev->dev);
+
+ ret = devm_add_action_or_reset(&pdev->dev, disp_cc_sm8250_pm_runtime_disable, &pdev->dev);
+ if (ret)
+ return ret;
+
+ ret = pm_runtime_resume_and_get(&pdev->dev);
+ if (ret)
+ return ret;
regmap = qcom_cc_map(pdev, &disp_cc_sm8250_desc);
- if (IS_ERR(regmap))
+ if (IS_ERR(regmap)) {
+ pm_runtime_put(&pdev->dev);
return PTR_ERR(regmap);
+ }
/* note: trion == lucid, except for the prepare() op */
BUILD_BUG_ON(CLK_ALPHA_PLL_TYPE_TRION != CLK_ALPHA_PLL_TYPE_LUCID);
@@ -1259,7 +1278,11 @@ static int disp_cc_sm8250_probe(struct platform_device *pdev)
/* DISP_CC_XO_CLK always-on */
regmap_update_bits(regmap, 0x605c, BIT(0), BIT(0));
- return qcom_cc_really_probe(pdev, &disp_cc_sm8250_desc, regmap);
+ ret = qcom_cc_really_probe(pdev, &disp_cc_sm8250_desc, regmap);
+
+ pm_runtime_put(&pdev->dev);
+
+ return ret;
}
static struct platform_driver disp_cc_sm8250_driver = {