[V2,1/4] clk: imx: pll14xx: use writel_relaxed

Commit Message

Peng Fan Nov. 14, 2019, 3:38 a.m. UTC

From: Peng Fan <[e-mail]>

writel has a barrier, however that barrier is not needed,
because device memory mapping is nGnRE mapping and access is
in order and clk driver has spin lock or other lock to make
sure write finished.

Cc: Will Deacon <[e-mail]>
Signed-off-by: Peng Fan <[e-mail]>
---
 drivers/clk/imx/clk-pll14xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c
index 5778f3bfb339..5b7d41d43b3b 100644
--- a/drivers/clk/imx/clk-pll14xx.c
+++ b/drivers/clk/imx/clk-pll14xx.c
@@ -199,7 +199,7 @@  static int clk_pll1416x_set_rate(struct clk_hw *hw, unsigned long drate,
 
 	/* Enable BYPASS */
 	tmp |= BYPASS_MASK;
-	writel(tmp, pll->base);
+	writel_relaxed(tmp, pll->base);
 
 	div_val = (rate->mdiv << MDIV_SHIFT) | (rate->pdiv << PDIV_SHIFT) |
 		(rate->sdiv << SDIV_SHIFT);