[PATCH 3/3] clk: Loongson1: Make use of GENMASK
From: Keguang Zhang <keguang.zhang@gmail.com>
Date: 2016-08-12 10:52:21
Also in:
linux-clk, lkml
Subsystem:
common clk framework, mips/loongson1 architecture, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Keguang Zhang, Linus Torvalds
From: Kelvin Cheung <keguang.zhang@gmail.com> Make use of GENMASK instead of open coding the equivalent operation, and update the PLL formula. Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com> --- drivers/clk/loongson1/clk-loongson1b.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/loongson1/clk-loongson1b.c b/drivers/clk/loongson1/clk-loongson1b.c
index 2302ee5..5cedb28 100644
--- a/drivers/clk/loongson1/clk-loongson1b.c
+++ b/drivers/clk/loongson1/clk-loongson1b.c@@ -26,7 +26,7 @@ static unsigned long ls1x_pll_recalc_rate(struct clk_hw *hw, u32 pll, rate; pll = __raw_readl(LS1X_CLK_PLL_FREQ); - rate = 12 + (pll & 0x3f) + (((pll >> 8) & 0x3ff) >> 10); + rate = 12 + (pll & GENMASK(5, 0)); rate *= OSC; rate >>= 1;
--
1.9.1