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ARM: OMAP1: clock: Fix UART rate reporting algorithm

Message ID 20220217214959.419572-1-jmkrzyszt@gmail.com
State New
Headers show
Series ARM: OMAP1: clock: Fix UART rate reporting algorithm | expand

Commit Message

Janusz Krzysztofik Feb. 17, 2022, 9:49 p.m. UTC
Since its introduction to the mainline kernel, omap1_uart_recalc() helper
makes incorrect use of clk->enable_bit as a ready to use bitmap mask while
it only provides the bit number.  Fix it.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
---
 arch/arm/mach-omap1/clock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 9d4a0ab50a46..d63d5eb8d8fd 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -41,7 +41,7 @@  static DEFINE_SPINLOCK(clockfw_lock);
 unsigned long omap1_uart_recalc(struct clk *clk)
 {
 	unsigned int val = __raw_readl(clk->enable_reg);
-	return val & clk->enable_bit ? 48000000 : 12000000;
+	return val & 1 << clk->enable_bit ? 48000000 : 12000000;
 }
 
 unsigned long omap1_sossi_recalc(struct clk *clk)