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| author | Ralf Baechle <ralf@linux-mips.org> | 2010-02-27 12:53:36 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-02-27 12:53:36 +0100 |
| commit | 1a73f0478a289ee5bb2e4f44a6ecf1d6d6410eab (patch) | |
| tree | 45717e20bcc50864469b1bb7f093e4bd3085662e /arch/mips/alchemy/common | |
| parent | MIPS: DEC: Convert KN01 lock to raw spinlock. (diff) | |
| download | linux-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 'arch/mips/alchemy/common')
| -rw-r--r-- | arch/mips/alchemy/common/clocks.c | 7 |
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; |