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charset="utf-8" Replace devm_clk_get() and clk_prepare_enable() with=20 devm_clk_get_enabled() that also disables and unprepares it on=20 driver detach. Signed-off-by: Rong Qianfeng --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 13 +++---------- drivers/gpu/drm/sun4i/sun6i_drc.c | 15 ++++----------- drivers/gpu/drm/sun4i/sun8i_mixer.c | 13 +++---------- 3 files changed, 10 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fs= l-dcu/fsl_dcu_drm_drv.c index ab6c0c6cd0e2..057dceaf079e 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c @@ -284,16 +284,11 @@ static int fsl_dcu_drm_probe(struct platform_device *= pdev) return PTR_ERR(fsl_dev->regmap); } =20 - fsl_dev->clk =3D devm_clk_get(dev, "dcu"); + fsl_dev->clk =3D devm_clk_get_enabled(dev, "dcu"); if (IS_ERR(fsl_dev->clk)) { dev_err(dev, "failed to get dcu clock\n"); return PTR_ERR(fsl_dev->clk); } - ret =3D clk_prepare_enable(fsl_dev->clk); - if (ret < 0) { - dev_err(dev, "failed to enable dcu clk\n"); - return ret; - } =20 pix_clk_in =3D devm_clk_get(dev, "pix"); if (IS_ERR(pix_clk_in)) { @@ -311,8 +306,7 @@ static int fsl_dcu_drm_probe(struct platform_device *pd= ev) div_ratio_shift, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL); if (IS_ERR(fsl_dev->pix_clk)) { dev_err(dev, "failed to register pix clk\n"); - ret =3D PTR_ERR(fsl_dev->pix_clk); - goto disable_clk; + return PTR_ERR(fsl_dev->pix_clk); } =20 fsl_dev->tcon =3D fsl_tcon_init(dev); @@ -341,8 +335,7 @@ static int fsl_dcu_drm_probe(struct platform_device *pd= ev) drm_dev_put(drm); unregister_pix_clk: clk_unregister(fsl_dev->pix_clk); -disable_clk: - clk_disable_unprepare(fsl_dev->clk); + return ret; } =20 diff --git a/drivers/gpu/drm/sun4i/sun6i_drc.c b/drivers/gpu/drm/sun4i/sun6= i_drc.c index 0d342f43fa93..f263ad282828 100644 --- a/drivers/gpu/drm/sun4i/sun6i_drc.c +++ b/drivers/gpu/drm/sun4i/sun6i_drc.c @@ -42,33 +42,28 @@ static int sun6i_drc_bind(struct device *dev, struct de= vice *master, return ret; } =20 - drc->bus_clk =3D devm_clk_get(dev, "ahb"); + drc->bus_clk =3D devm_clk_get_enabled(dev, "ahb"); if (IS_ERR(drc->bus_clk)) { dev_err(dev, "Couldn't get our bus clock\n"); ret =3D PTR_ERR(drc->bus_clk); goto err_assert_reset; } - clk_prepare_enable(drc->bus_clk); =20 - drc->mod_clk =3D devm_clk_get(dev, "mod"); + drc->mod_clk =3D devm_clk_get_enabled(dev, "mod"); if (IS_ERR(drc->mod_clk)) { dev_err(dev, "Couldn't get our mod clock\n"); ret =3D PTR_ERR(drc->mod_clk); - goto err_disable_bus_clk; + goto err_assert_reset; } =20 ret =3D clk_set_rate_exclusive(drc->mod_clk, 300000000); if (ret) { dev_err(dev, "Couldn't set the module clock frequency\n"); - goto err_disable_bus_clk; + goto err_assert_reset; } =20 - clk_prepare_enable(drc->mod_clk); - return 0; =20 -err_disable_bus_clk: - clk_disable_unprepare(drc->bus_clk); err_assert_reset: reset_control_assert(drc->reset); return ret; @@ -80,8 +75,6 @@ static void sun6i_drc_unbind(struct device *dev, struct d= evice *master, struct sun6i_drc *drc =3D dev_get_drvdata(dev); =20 clk_rate_exclusive_put(drc->mod_clk); - clk_disable_unprepare(drc->mod_clk); - clk_disable_unprepare(drc->bus_clk); reset_control_assert(drc->reset); } =20 diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/su= n8i_mixer.c index bd0fe2c6624e..ebf00676a76d 100644 --- a/drivers/gpu/drm/sun4i/sun8i_mixer.c +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c @@ -507,19 +507,18 @@ static int sun8i_mixer_bind(struct device *dev, struc= t device *master, return ret; } =20 - mixer->bus_clk =3D devm_clk_get(dev, "bus"); + mixer->bus_clk =3D devm_clk_get_enabled(dev, "bus"); if (IS_ERR(mixer->bus_clk)) { dev_err(dev, "Couldn't get the mixer bus clock\n"); ret =3D PTR_ERR(mixer->bus_clk); goto err_assert_reset; } - clk_prepare_enable(mixer->bus_clk); =20 - mixer->mod_clk =3D devm_clk_get(dev, "mod"); + mixer->mod_clk =3D devm_clk_get_enabled(dev, "mod"); if (IS_ERR(mixer->mod_clk)) { dev_err(dev, "Couldn't get the mixer module clock\n"); ret =3D PTR_ERR(mixer->mod_clk); - goto err_disable_bus_clk; + goto err_assert_reset; } =20 /* @@ -530,8 +529,6 @@ static int sun8i_mixer_bind(struct device *dev, struct = device *master, if (mixer->cfg->mod_rate) clk_set_rate(mixer->mod_clk, mixer->cfg->mod_rate); =20 - clk_prepare_enable(mixer->mod_clk); - list_add_tail(&mixer->engine.list, &drv->engine_list); =20 base =3D sun8i_blender_base(mixer); @@ -592,8 +589,6 @@ static int sun8i_mixer_bind(struct device *dev, struct = device *master, =20 return 0; =20 -err_disable_bus_clk: - clk_disable_unprepare(mixer->bus_clk); err_assert_reset: reset_control_assert(mixer->reset); return ret; @@ -606,8 +601,6 @@ static void sun8i_mixer_unbind(struct device *dev, stru= ct device *master, =20 list_del(&mixer->engine.list); =20 - clk_disable_unprepare(mixer->mod_clk); - clk_disable_unprepare(mixer->bus_clk); reset_control_assert(mixer->reset); } =20 --=20 2.39.0