[media] v4l: vsp1: Don't handle clocks manually

The power domain performs functional clock handling when using runtime
PM, there's no need to enable and disable the clock manually.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

2 files changed, 2 insertions, 19 deletions

diff --git a/drivers/media/platform/vsp1/vsp1.h b/drivers/media/platform/vsp1/vsp1.h
index 9e09bce43cf3..37cc05e34de0 100644
--- a/drivers/media/platform/vsp1/vsp1.h
+++ b/drivers/media/platform/vsp1/vsp1.h
@@ -62,7 +62,6 @@ struct vsp1_device {
         const struct vsp1_device_info *info;
 
         void __iomem *mmio;
-        struct clk *clock;
 
         struct vsp1_bru *bru;
         struct vsp1_hsit *hsi;
diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c
index d6abc7f1216a..13907d4f08af 100644
--- a/drivers/media/platform/vsp1/vsp1_drv.c
+++ b/drivers/media/platform/vsp1/vsp1_drv.c
@@ -514,10 +514,6 @@ static int vsp1_pm_resume(struct device *dev)
 
 static int vsp1_pm_runtime_suspend(struct device *dev)
 {
-        struct vsp1_device *vsp1 = dev_get_drvdata(dev);
-
-        clk_disable_unprepare(vsp1->clock);
-
         return 0;
 }
 
@@ -526,16 +522,10 @@ static int vsp1_pm_runtime_resume(struct device *dev)
         struct vsp1_device *vsp1 = dev_get_drvdata(dev);
         int ret;
 
-        ret = clk_prepare_enable(vsp1->clock);
-        if (ret < 0)
-                return ret;
-
         if (vsp1->info) {
                 ret = vsp1_device_init(vsp1);
-                if (ret < 0) {
-                        clk_disable_unprepare(vsp1->clock);
+                if (ret < 0)
                         return ret;
-                }
         }
 
         return 0;
@@ -640,18 +630,12 @@ static int vsp1_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, vsp1);
 
-        /* I/O, IRQ and clock resources */
+        /* I/O and IRQ resources (clock managed by the clock PM domain) */
         io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         vsp1->mmio = devm_ioremap_resource(&pdev->dev, io);
         if (IS_ERR(vsp1->mmio))
                 return PTR_ERR(vsp1->mmio);
 
-        vsp1->clock = devm_clk_get(&pdev->dev, NULL);
-        if (IS_ERR(vsp1->clock)) {
-                dev_err(&pdev->dev, "failed to get clock\n");
-                return PTR_ERR(vsp1->clock);
-        }
-
         irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
         if (!irq) {
                 dev_err(&pdev->dev, "missing IRQ\n");