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[32/41] ARM: OMAP1: clock: Fix UART rate reporting algorithm

Message ID 20220419133723.1394715-33-arnd@kernel.org (mailing list archive)
State New, archived
Headers show
Series OMAP1 full multiplatform conversion | expand

Commit Message

Arnd Bergmann April 19, 2022, 1:37 p.m. UTC 
From: Janusz Krzysztofik <jmkrzyszt@gmail.com>

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>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 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 44877554eb41..42e094e781ce 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)