NULL check has been done in clk_disable_unprepare() by IS_ERR_OR_NULL(). So remove NULL check before it.

Signed-off-by: Guo Zhengkui guozhengkui@vivo.com --- drivers/gpu/drm/mxsfb/mxsfb_drv.c | 3 +-- drivers/gpu/drm/mxsfb/mxsfb_kms.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c index 55aad92e08ba..90f8d6bc0d21 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c @@ -84,8 +84,7 @@ void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb)

void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb) { - if (mxsfb->clk_axi) - clk_disable_unprepare(mxsfb->clk_axi); + clk_disable_unprepare(mxsfb->clk_axi); }

static struct drm_framebuffer * diff --git a/drivers/gpu/drm/mxsfb/mxsfb_kms.c b/drivers/gpu/drm/mxsfb/mxsfb_kms.c index f021ab2c4520..ccd21ece21bf 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_kms.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_kms.c @@ -221,8 +221,7 @@ static void mxsfb_disable_controller(struct mxsfb_drm_private *mxsfb) writel(reg, mxsfb->base + LCDC_VDCTRL4);

clk_disable_unprepare(mxsfb->clk); - if (mxsfb->clk_disp_axi) - clk_disable_unprepare(mxsfb->clk_disp_axi); + clk_disable_unprepare(mxsfb->clk_disp_axi); }

/*