[PATCH v11 22/28] media: platform: Change the call functions of getting/enable/disable the jpeg's clock

[Xia Jiang]

Use the generic clk_bulk_* helpers to enable and disable clocks.

Signed-off-by: Xia Jiang <xia.ji...@mediatek.com>
---
v11: specify the names of the clocks in the driver
---
 .../media/platform/mtk-jpeg/mtk_jpeg_core.c   | 28 +++++++++++++------
 .../media/platform/mtk-jpeg/mtk_jpeg_core.h   |  8 +++---
 2 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c 
b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index 7881e9c93df7..47d570f32e3f 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -783,14 +783,15 @@ static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg)
        ret = mtk_smi_larb_get(jpeg->larb);
        if (ret)
                dev_err(jpeg->dev, "mtk_smi_larb_get larbvdec fail %d\n", ret);
-       clk_prepare_enable(jpeg->clk_jdec_smi);
-       clk_prepare_enable(jpeg->clk_jdec);
+
+       ret = clk_bulk_prepare_enable(jpeg->num_clks, jpeg->clks);
+       if (ret)
+               dev_err(jpeg->dev, "Failed to open jpeg clk: %d\n", ret);
 }
 
 static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg)
 {
-       clk_disable_unprepare(jpeg->clk_jdec);
-       clk_disable_unprepare(jpeg->clk_jdec_smi);
+       clk_bulk_disable_unprepare(jpeg->num_clks, jpeg->clks);
        mtk_smi_larb_put(jpeg->larb);
 }
 
@@ -935,10 +936,16 @@ static const struct v4l2_file_operations mtk_jpeg_fops = {
        .mmap           = v4l2_m2m_fop_mmap,
 };
 
+static struct clk_bulk_data mt8173_jpeg_dec_clocks[] = {
+       { .id = "jpgdec-smi" },
+       { .id = "jpgdec" },
+};
+
 static int mtk_jpeg_clk_init(struct mtk_jpeg_dev *jpeg)
 {
        struct device_node *node;
        struct platform_device *pdev;
+       int ret;
 
        node = of_parse_phandle(jpeg->dev->of_node, "mediatek,larb", 0);
        if (!node)
@@ -952,12 +959,15 @@ static int mtk_jpeg_clk_init(struct mtk_jpeg_dev *jpeg)
 
        jpeg->larb = &pdev->dev;
 
-       jpeg->clk_jdec = devm_clk_get(jpeg->dev, "jpgdec");
-       if (IS_ERR(jpeg->clk_jdec))
-               return PTR_ERR(jpeg->clk_jdec);
+       jpeg->clks = mt8173_jpeg_dec_clocks;
+       jpeg->num_clks = ARRAY_SIZE(mt8173_jpeg_dec_clocks);
+       ret = devm_clk_bulk_get(jpeg->dev, jpeg->num_clks, jpeg->clks);
+       if (ret) {
+               dev_err(&pdev->dev, "failed to get jpeg clock:%d\n", ret);
+               return ret;
+       }
 
-       jpeg->clk_jdec_smi = devm_clk_get(jpeg->dev, "jpgdec-smi");
-       return PTR_ERR_OR_ZERO(jpeg->clk_jdec_smi);
+       return 0;
 }
 
 static void mtk_jpeg_job_timeout_work(struct work_struct *work)
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h 
b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
index 4c76a9dcc4b7..a54e1e82e655 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h
@@ -52,8 +52,8 @@ enum mtk_jpeg_ctx_state {
  * @alloc_ctx:         videobuf2 memory allocator's context
  * @dec_vdev:          video device node for decoder mem2mem mode
  * @dec_reg_base:      JPEG registers mapping
- * @clk_jdec:          JPEG hw working clock
- * @clk_jdec_smi:      JPEG SMI bus clock
+ * @clks:              clock names
+ * @num_clks:          numbers of clock
  * @larb:              SMI device
  * @job_timeout_work:  IRQ timeout structure
  */
@@ -67,8 +67,8 @@ struct mtk_jpeg_dev {
        void                    *alloc_ctx;
        struct video_device     *dec_vdev;
        void __iomem            *dec_reg_base;
-       struct clk              *clk_jdec;
-       struct clk              *clk_jdec_smi;
+       struct clk_bulk_data *clks;
+       int num_clks;
        struct device           *larb;
        struct delayed_work job_timeout_work;
 };
-- 
2.18.0