From c141897caafb4754b6ef862a67c87b8feed4d921 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 26 Mar 2021 13:00:56 +0100 Subject: clk: renesas: rcar-gen3: Remove superfluous masking in cpg_z_clk_set_rate() Due to the clamping of mult, "(32 - mult) << __ffs(zclk->mask)" can never exceed the mask. Signed-off-by: Geert Uytterhoeven Acked-by: Stephen Boyd Reviewed-by: Yoshihiro Shimoda Tested-by: Yoshihiro Shimoda Link: https://lore.kernel.org/r/20210326120100.1577596-4-geert+renesas@glider.be --- drivers/clk/renesas/rcar-gen3-cpg.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/clk/renesas') diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index e5edf1b90841..cf0d049aa8c7 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.c +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -104,8 +104,7 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK) return -EBUSY; - cpg_reg_modify(zclk->reg, zclk->mask, - ((32 - mult) << __ffs(zclk->mask)) & zclk->mask); + cpg_reg_modify(zclk->reg, zclk->mask, (32 - mult) << __ffs(zclk->mask)); /* * Set KICK bit in FRQCRB to update hardware setting and wait for -- cgit v1.2.3