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authorRalf Baechle <ralf@linux-mips.org>2010-02-27 12:53:36 +0100
committerRalf Baechle <ralf@linux-mips.org>2010-02-27 12:53:36 +0100
commit1a73f0478a289ee5bb2e4f44a6ecf1d6d6410eab (patch)
tree45717e20bcc50864469b1bb7f093e4bd3085662e /arch/mips/alchemy/common/clocks.c
parentMIPS: DEC: Convert KN01 lock to raw spinlock. (diff)
downloadlinux-1a73f0478a289ee5bb2e4f44a6ecf1d6d6410eab.tar.xz
linux-1a73f0478a289ee5bb2e4f44a6ecf1d6d6410eab.zip
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>
Diffstat (limited to '')
-rw-r--r--arch/mips/alchemy/common/clocks.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/mips/alchemy/common/clocks.c b/arch/mips/alchemy/common/clocks.c
index d8991854530e..460c6285c1bb 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 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base)
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 @@ 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;