The cal_get_camerarx_regmap() function is called in a single place.
Inline it in its caller, as it results in a clear code flow.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/ti-vpe/cal.c | 75 ++++++++++++-----------------
1 file changed, 32 insertions(+), 43 deletions(-)
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index 522b2b4b76e0..c83bf261da91 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -959,20 +959,36 @@ static struct cal_camerarx *cal_camerarx_create(struct cal_dev *cal,
return phy;
}
-static struct regmap *cal_get_camerarx_regmap(struct cal_dev *cal)
+static int cal_camerarx_init_regmap(struct cal_dev *cal)
{
- struct platform_device *pdev = cal->pdev;
+ struct device_node *np = cal->pdev->dev.of_node;
struct regmap_config config = { };
- struct regmap *regmap;
- void __iomem *base;
+ struct regmap *syscon;
struct resource *res;
+ unsigned int offset;
+ void __iomem *base;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ syscon = syscon_regmap_lookup_by_phandle_args(np, "ti,camerrx-control",
+ 1, &offset);
+ if (!IS_ERR(syscon)) {
+ cal->syscon_camerrx = syscon;
+ cal->syscon_camerrx_offset = offset;
+ return 0;
+ }
+
+ dev_warn(&cal->pdev->dev, "failed to get ti,camerrx-control: %ld\n",
+ PTR_ERR(syscon));
+
+ /*
+ * Backward DTS compatibility. If syscon entry is not present then
+ * check if the camerrx_control resource is present.
+ */
+ res = platform_get_resource_byname(cal->pdev, IORESOURCE_MEM,
"camerrx_control");
- base = devm_ioremap_resource(&pdev->dev, res);
+ base = devm_ioremap_resource(&cal->pdev->dev, res);
if (IS_ERR(base)) {
- cal_err(cal, "failed to ioremap\n");
- return ERR_CAST(base);
+ cal_err(cal, "failed to ioremap camerrx_control\n");
+ return PTR_ERR(base);
}
cal_dbg(1, cal, "ioresource %s at %pa - %pa\n",
@@ -983,45 +999,18 @@ static struct regmap *cal_get_camerarx_regmap(struct cal_dev *cal)
config.val_bits = 32;
config.max_register = resource_size(res) - 4;
- regmap = regmap_init_mmio(NULL, base, &config);
- if (IS_ERR(regmap))
- pr_err("regmap init failed\n");
-
- return regmap;
-}
-
-static int cal_camerarx_init_regmap(struct cal_dev *cal)
-{
- struct device_node *np = cal->pdev->dev.of_node;
- struct regmap *syscon;
- unsigned int offset;
-
- syscon = syscon_regmap_lookup_by_phandle_args(np, "ti,camerrx-control",
- 1, &offset);
+ syscon = regmap_init_mmio(NULL, base, &config);
if (IS_ERR(syscon)) {
- dev_warn(&cal->pdev->dev,
- "failed to get ti,camerrx-control: %ld\n",
- PTR_ERR(syscon));
-
- /*
- * Backward DTS compatibility.
- * If syscon entry is not present then check if the
- * camerrx_control resource is present.
- */
- syscon = cal_get_camerarx_regmap(cal);
- if (IS_ERR(syscon)) {
- dev_err(&cal->pdev->dev,
- "failed to get camerrx_control regmap\n");
- return PTR_ERR(syscon);
- }
- /* In this case the base already point to the direct
- * CM register so no need for an offset
- */
- offset = 0;
+ pr_err("regmap init failed\n");
+ return PTR_ERR(syscon);
}
+ /*
+ * In this case the base already point to the direct CM register so no
+ * need for an offset.
+ */
cal->syscon_camerrx = syscon;
- cal->syscon_camerrx_offset = offset;
+ cal->syscon_camerrx_offset = 0;
return 0;
}
--
Regards,
Laurent Pinchart
