[PATCH v3 06/27] media: rockchip: rga: use clk_bulk api
From: Sven Püschel <hidden>
Date: 2026-01-27 14:40:08
Also in:
linux-devicetree, linux-media, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, media input infrastructure (v4l/dvb), rockchip raster 2d graphic acceleration unit driver, the rest · Maintainers:
Heiko Stuebner, Mauro Carvalho Chehab, Jacob Chen, Ezequiel Garcia, Linus Torvalds
Use the clk_bulk API to avoid code duplication for each of the three clocks. Signed-off-by: Sven Püschel <redacted> --- drivers/media/platform/rockchip/rga/rga.c | 65 ++++--------------------------- drivers/media/platform/rockchip/rga/rga.h | 6 +-- 2 files changed, 11 insertions(+), 60 deletions(-)
diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
index 43f6a8d993811..338c7796490bc 100644
--- a/drivers/media/platform/rockchip/rga/rga.c
+++ b/drivers/media/platform/rockchip/rga/rga.c@@ -698,48 +698,10 @@ static const struct video_device rga_videodev = { .device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING, }; -static int rga_enable_clocks(struct rockchip_rga *rga) -{ - int ret; - - ret = clk_prepare_enable(rga->sclk); - if (ret) { - dev_err(rga->dev, "Cannot enable rga sclk: %d\n", ret); - return ret; - } - - ret = clk_prepare_enable(rga->aclk); - if (ret) { - dev_err(rga->dev, "Cannot enable rga aclk: %d\n", ret); - goto err_disable_sclk; - } - - ret = clk_prepare_enable(rga->hclk); - if (ret) { - dev_err(rga->dev, "Cannot enable rga hclk: %d\n", ret); - goto err_disable_aclk; - } - - return 0; - -err_disable_aclk: - clk_disable_unprepare(rga->aclk); -err_disable_sclk: - clk_disable_unprepare(rga->sclk); - - return ret; -} - -static void rga_disable_clocks(struct rockchip_rga *rga) -{ - clk_disable_unprepare(rga->sclk); - clk_disable_unprepare(rga->hclk); - clk_disable_unprepare(rga->aclk); -} - static int rga_parse_dt(struct rockchip_rga *rga) { struct reset_control *core_rst, *axi_rst, *ahb_rst; + int ret; core_rst = devm_reset_control_get(rga->dev, "core"); if (IS_ERR(core_rst)) {
@@ -771,23 +733,12 @@ static int rga_parse_dt(struct rockchip_rga *rga) udelay(1); reset_control_deassert(ahb_rst); - rga->sclk = devm_clk_get(rga->dev, "sclk"); - if (IS_ERR(rga->sclk)) { - dev_err(rga->dev, "failed to get sclk clock\n"); - return PTR_ERR(rga->sclk); - } - - rga->aclk = devm_clk_get(rga->dev, "aclk"); - if (IS_ERR(rga->aclk)) { - dev_err(rga->dev, "failed to get aclk clock\n"); - return PTR_ERR(rga->aclk); - } - - rga->hclk = devm_clk_get(rga->dev, "hclk"); - if (IS_ERR(rga->hclk)) { - dev_err(rga->dev, "failed to get hclk clock\n"); - return PTR_ERR(rga->hclk); + ret = devm_clk_bulk_get_all(rga->dev, &rga->clks); + if (ret < 0) { + dev_err(rga->dev, "failed to get clocks\n"); + return ret; } + rga->num_clks = ret; return 0; }
@@ -935,7 +886,7 @@ static int __maybe_unused rga_runtime_suspend(struct device *dev) { struct rockchip_rga *rga = dev_get_drvdata(dev); - rga_disable_clocks(rga); + clk_bulk_disable_unprepare(rga->num_clks, rga->clks); return 0; }
@@ -944,7 +895,7 @@ static int __maybe_unused rga_runtime_resume(struct device *dev) { struct rockchip_rga *rga = dev_get_drvdata(dev); - return rga_enable_clocks(rga); + return clk_bulk_prepare_enable(rga->num_clks, rga->clks); } static const struct dev_pm_ops rga_pm = {
diff --git a/drivers/media/platform/rockchip/rga/rga.h b/drivers/media/platform/rockchip/rga/rga.h
index 72a28b120fabf..2db10acecb405 100644
--- a/drivers/media/platform/rockchip/rga/rga.h
+++ b/drivers/media/platform/rockchip/rga/rga.h@@ -6,6 +6,7 @@ #ifndef __RGA_H__ #define __RGA_H__ +#include <linux/clk.h> #include <linux/platform_device.h> #include <media/videobuf2-v4l2.h> #include <media/v4l2-ctrls.h>
@@ -81,9 +82,8 @@ struct rockchip_rga { struct device *dev; struct regmap *grf; void __iomem *regs; - struct clk *sclk; - struct clk *aclk; - struct clk *hclk; + struct clk_bulk_data *clks; + int num_clks; struct rockchip_rga_version version; /* vfd lock */
--
2.52.0