MIPS: Alchemy: Remove time_lock.
The sole user is au1xxx_calc_clock() which is only used in early bootup
where the is no paralellism thus no race condition to protect against.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Manuel Lauss <manuel.lauss@googlemail.com>
diff --git a/arch/mips/alchemy/common/clocks.c b/arch/mips/alchemy/common/clocks.c
index d899185..460c628 100644
--- a/arch/mips/alchemy/common/clocks.c
+++ b/arch/mips/alchemy/common/clocks.c
@@ -40,8 +40,6 @@
static unsigned int au1x00_clock; /* Hz */
static unsigned long uart_baud_base;
-static DEFINE_SPINLOCK(time_lock);
-
/*
* Set the au1000_clock
*/
@@ -84,9 +82,6 @@
unsigned long au1xxx_calc_clock(void)
{
unsigned long cpu_speed;
- unsigned long flags;
-
- spin_lock_irqsave(&time_lock, flags);
/*
* On early Au1000, sys_cpupll was write-only. Since these
@@ -108,8 +103,6 @@
set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)
& 0x03) + 2) * 16));
- spin_unlock_irqrestore(&time_lock, flags);
-
set_au1x00_speed(cpu_speed);
return cpu_speed;
