From: Minghao Chi chi.minghao@zte.com.cn
Because clk_disable_unprepare/clk_prepare_enable already checked NULL clock parameter, so the additional checks are unnecessary, just remove them.
Reported-by: Zeal Robot zealci@zte.com.cn Signed-off-by: Minghao Chi chi.minghao@zte.com.cn --- v1->v2: remove the check of audmux_clk before "clk_prepare_enable" sound/soc/fsl/imx-audmux.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-)
diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c index dfa05d40b276..3ba82adace42 100644 --- a/sound/soc/fsl/imx-audmux.c +++ b/sound/soc/fsl/imx-audmux.c @@ -62,17 +62,14 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, uintptr_t port = (uintptr_t)file->private_data; u32 pdcr, ptcr;
- if (audmux_clk) { - ret = clk_prepare_enable(audmux_clk); - if (ret) - return ret; - } + ret = clk_prepare_enable(audmux_clk); + if (ret) + return ret;
ptcr = readl(audmux_base + IMX_AUDMUX_V2_PTCR(port)); pdcr = readl(audmux_base + IMX_AUDMUX_V2_PDCR(port));
- if (audmux_clk) - clk_disable_unprepare(audmux_clk); + clk_disable_unprepare(audmux_clk);
buf = kmalloc(PAGE_SIZE, GFP_KERNEL); if (!buf) @@ -209,17 +206,14 @@ int imx_audmux_v2_configure_port(unsigned int port, unsigned int ptcr, if (!audmux_base) return -ENOSYS;
- if (audmux_clk) { - ret = clk_prepare_enable(audmux_clk); - if (ret) - return ret; - } + ret = clk_prepare_enable(audmux_clk); + if (ret) + return ret;
writel(ptcr, audmux_base + IMX_AUDMUX_V2_PTCR(port)); writel(pdcr, audmux_base + IMX_AUDMUX_V2_PDCR(port));
- if (audmux_clk) - clk_disable_unprepare(audmux_clk); + clk_disable_unprepare(audmux_clk);
return 0; }