From: Janusz Krzysztofik jmkrzyszt@gmail.com
stable inclusion from stable-v5.10.121 commit 039966775ca0a1b5bf767b26994030c2a3139ec3 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 338d5d476cde853dfd97378d20496baabc2ce3c0 ]
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 Acked-by: Tony Lindgren tony@atomide.com Signed-off-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- arch/arm/mach-omap1/clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index bd5be82101f3..d89bda12bf3c 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)