[PATCH v3 03/46] media: sun6i-csi: Grab bus clock instead of passing it to regmap

[Paul Kocialkowski]

Since the bus clock alone is not enough to get access to the registers,
don't pass it to regmap and manage it instead just like the other
clocks.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski at bootlin.com>
---
 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 10 ++++++++--
 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
index 5fbaa1e99412..dc79f3c14336 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
@@ -827,13 +827,19 @@ static int sun6i_csi_resource_request(struct sun6i_csi_device *csi_dev,
 	if (IS_ERR(io_base))
 		return PTR_ERR(io_base);
 
-	csi_dev->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", io_base,
-						    &sun6i_csi_regmap_config);
+	csi_dev->regmap = devm_regmap_init_mmio(&pdev->dev, io_base,
+						&sun6i_csi_regmap_config);
 	if (IS_ERR(csi_dev->regmap)) {
 		dev_err(&pdev->dev, "Failed to init register map\n");
 		return PTR_ERR(csi_dev->regmap);
 	}
 
+	csi_dev->clk_bus = devm_clk_get(&pdev->dev, "bus");
+	if (IS_ERR(csi_dev->clk_bus)) {
+		dev_err(&pdev->dev, "Unable to acquire bus clock\n");
+		return PTR_ERR(csi_dev->clk_bus);
+	}
+
 	csi_dev->clk_mod = devm_clk_get(&pdev->dev, "mod");
 	if (IS_ERR(csi_dev->clk_mod)) {
 		dev_err(&pdev->dev, "Unable to acquire csi clock\n");
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
index e4e7ac6c869f..356661b413f8 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
@@ -51,6 +51,7 @@ struct sun6i_csi_device {
 	struct sun6i_video		video;
 
 	struct regmap			*regmap;
+	struct clk			*clk_bus;
 	struct clk			*clk_mod;
 	struct clk			*clk_ram;
 	struct reset_control		*reset;
-- 
2.35.1