From: Ming Qian ming.qian@nxp.com
[ Upstream commit 61fe43dc9f454bc3caa99dbdd8f5fa3ba813981a ]
using the api of clk_bulk can simplify the code. and the clock of the jpeg codec may be changed, the clk_bulk api can be compatible with the future change.
Fixes: 4c2e5156d9fa ("media: imx-jpeg: Add pm-runtime support for imx-jpeg") Signed-off-by: Ming Qian ming.qian@nxp.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/imx-jpeg/mxc-jpeg.c | 35 +++++----------------- drivers/media/platform/imx-jpeg/mxc-jpeg.h | 4 +-- 2 files changed, 10 insertions(+), 29 deletions(-)
diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c index 984fcdfa0f098..e515325683a47 100644 --- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c @@ -2105,19 +2105,12 @@ static int mxc_jpeg_probe(struct platform_device *pdev) jpeg->mode = mode;
/* Get clocks */ - jpeg->clk_ipg = devm_clk_get(dev, "ipg"); - if (IS_ERR(jpeg->clk_ipg)) { - dev_err(dev, "failed to get clock: ipg\n"); - ret = PTR_ERR(jpeg->clk_ipg); - goto err_clk; - } - - jpeg->clk_per = devm_clk_get(dev, "per"); - if (IS_ERR(jpeg->clk_per)) { - dev_err(dev, "failed to get clock: per\n"); - ret = PTR_ERR(jpeg->clk_per); + ret = devm_clk_bulk_get_all(&pdev->dev, &jpeg->clks); + if (ret < 0) { + dev_err(dev, "failed to get clock\n"); goto err_clk; } + jpeg->num_clks = ret;
ret = mxc_jpeg_attach_pm_domains(jpeg); if (ret < 0) { @@ -2214,32 +2207,20 @@ static int mxc_jpeg_runtime_resume(struct device *dev) struct mxc_jpeg_dev *jpeg = dev_get_drvdata(dev); int ret;
- ret = clk_prepare_enable(jpeg->clk_ipg); - if (ret < 0) { - dev_err(dev, "failed to enable clock: ipg\n"); - goto err_ipg; - } - - ret = clk_prepare_enable(jpeg->clk_per); + ret = clk_bulk_prepare_enable(jpeg->num_clks, jpeg->clks); if (ret < 0) { - dev_err(dev, "failed to enable clock: per\n"); - goto err_per; + dev_err(dev, "failed to enable clock\n"); + return ret; }
return 0; - -err_per: - clk_disable_unprepare(jpeg->clk_ipg); -err_ipg: - return ret; }
static int mxc_jpeg_runtime_suspend(struct device *dev) { struct mxc_jpeg_dev *jpeg = dev_get_drvdata(dev);
- clk_disable_unprepare(jpeg->clk_ipg); - clk_disable_unprepare(jpeg->clk_per); + clk_bulk_disable_unprepare(jpeg->num_clks, jpeg->clks);
return 0; } diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.h b/drivers/media/platform/imx-jpeg/mxc-jpeg.h index 542993eb8d5b0..495000800d552 100644 --- a/drivers/media/platform/imx-jpeg/mxc-jpeg.h +++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.h @@ -112,8 +112,8 @@ struct mxc_jpeg_dev { spinlock_t hw_lock; /* hardware access lock */ unsigned int mode; struct mutex lock; /* v4l2 ioctls serialization */ - struct clk *clk_ipg; - struct clk *clk_per; + struct clk_bulk_data *clks; + int num_clks; struct platform_device *pdev; struct device *dev; void __iomem *base_reg;