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Date: Mon, 19 Sep 2016 12:38:56 +0800
From: Keguang Zhang <keguang.zhang@...il.com>
To: linux-clk@...r.kernel.org, linux-mips@...ux-mips.org,
linux-kernel@...r.kernel.org
Cc: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Kelvin Cheung <keguang.zhang@...il.com>
Subject: [PATCH V1 3/3] clk: Loongson1: Make use of GENMASK
From: Kelvin Cheung <keguang.zhang@...il.com>
Make use of GENMASK instead of open coding the equivalent operation,
and update the PLL formula.
Signed-off-by: Kelvin Cheung <keguang.zhang@...il.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 4b3d9d2..f36a97e 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
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