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Diffstat (limited to 'arch/mips/alchemy/common/clocks.c')
-rw-r--r--arch/mips/alchemy/common/clocks.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/mips/alchemy/common/clocks.c b/arch/mips/alchemy/common/clocks.c
index d8991854530..f38298a8b98 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
*/
@@ -77,16 +75,13 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base)
* counter, if it exists. If we don't have an accurate processor
* speed, all of the peripherals that derive their clocks based on
* this advertised speed will introduce error and sometimes not work
- * properly. This function is futher convoluted to still allow configurations
+ * properly. This function is further convoluted to still allow configurations
* to do that in case they have really, really old silicon with a
* write-only PLL register. -- Dan
*/
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
@@ -94,11 +89,7 @@ unsigned long au1xxx_calc_clock(void)
* over backwards trying to determine the frequency.
*/
if (au1xxx_cpu_has_pll_wo())
-#ifdef CONFIG_SOC_AU1000_FREQUENCY
- cpu_speed = CONFIG_SOC_AU1000_FREQUENCY;
-#else
cpu_speed = 396000000;
-#endif
else
cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK;
@@ -108,8 +99,6 @@ unsigned long au1xxx_calc_clock(void)
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;