[v2,4/5] clk: qcom: use common code for qcom_cc_probe_by_index

Commit Message

Dmitry Baryshkov July 28, 2021, 2:24 p.m. UTC

Rewrite qcom_cc_map and qcom_cc_probe_by_index to use (new)
qcom_cc_map_by_index, removing code duplication and opening a way to
have more common code in qcom_cc_map*.

Signed-off-by: Dmitry Baryshkov <[e-mail]>
---
 drivers/clk/qcom/common.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

Patch

diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index 60d2a78d1395..ed7c516a597a 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -69,20 +69,26 @@  int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, u8 src)
 }
 EXPORT_SYMBOL_GPL(qcom_find_src_index);
 
-struct regmap *
-qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc)
+static struct regmap *
+qcom_cc_map_by_index(struct platform_device *pdev, const struct qcom_cc_desc *desc, int index)
 {
 	void __iomem *base;
 	struct resource *res;
 	struct device *dev = &pdev->dev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, index);
 	base = devm_ioremap_resource(dev, res);
 	if (IS_ERR(base))
 		return ERR_CAST(base);
 
 	return devm_regmap_init_mmio(dev, base, desc->config);
 }
+
+struct regmap *
+qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc)
+{
+	return qcom_cc_map_by_index(pdev, desc, 0);
+}
 EXPORT_SYMBOL_GPL(qcom_cc_map);
 
 void
@@ -313,15 +319,8 @@  int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
 			   const struct qcom_cc_desc *desc)
 {
 	struct regmap *regmap;
-	struct resource *res;
-	void __iomem *base;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, index);
-	base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(base))
-		return -ENOMEM;
 
-	regmap = devm_regmap_init_mmio(&pdev->dev, base, desc->config);
+	regmap = qcom_cc_map_by_index(pdev, desc, index);
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);