| Message ID | 20210326120100.1577596-4-geert+renesas@glider.be (mailing list archive) |
|---|---|
| State | Under Review |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | clk: renesas: rcar-gen3: Add support for CPU core clock boost modes | expand |
diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index e5edf1b908411643..cf0d049aa8c78115 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
Due to the clamping of mult, "(32 - mult) << __ffs(zclk->mask)" can never exceed the mask. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- drivers/clk/renesas/rcar-gen3-cpg.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)