diff mbox series

[v2,2/8] clk: imx: pll14xx: Drop wrong shifting

Message ID 20220225082937.2746176-3-s.hauer@pengutronix.de (mailing list archive)
State Superseded, archived
Headers show
Series clk: i.MX: PLL14xx: Support dynamic rates | expand

Commit Message

Sascha Hauer Feb. 25, 2022, 8:29 a.m. UTC
The code tries to mask the bits in SDIV_MASK from 'tmp'. SDIV_MASK
already contains the shifted value, so shifting it again is wrong.
No functional change though as SDIV_SHIFT is zero.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
---

Notes:
    Changes since v1:
    - Avoid the word 'fix' in the subject to prevent stable guys from picking this patch
    - Add note to the commit message that there's no functional change

 drivers/clk/imx/clk-pll14xx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c
index cae64d750672e..b295d8a049009 100644
--- a/drivers/clk/imx/clk-pll14xx.c
+++ b/drivers/clk/imx/clk-pll14xx.c
@@ -195,7 +195,7 @@  static int clk_pll1416x_set_rate(struct clk_hw *hw, unsigned long drate,
 	tmp = readl_relaxed(pll->base + DIV_CTL0);
 
 	if (!clk_pll14xx_mp_change(rate, tmp)) {
-		tmp &= ~(SDIV_MASK) << SDIV_SHIFT;
+		tmp &= ~SDIV_MASK;
 		tmp |= rate->sdiv << SDIV_SHIFT;
 		writel_relaxed(tmp, pll->base + DIV_CTL0);
 
@@ -261,7 +261,7 @@  static int clk_pll1443x_set_rate(struct clk_hw *hw, unsigned long drate,
 	tmp = readl_relaxed(pll->base + DIV_CTL0);
 
 	if (!clk_pll14xx_mp_change(rate, tmp)) {
-		tmp &= ~(SDIV_MASK) << SDIV_SHIFT;
+		tmp &= ~SDIV_MASK;
 		tmp |= rate->sdiv << SDIV_SHIFT;
 		writel_relaxed(tmp, pll->base + DIV_CTL0);