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MIPS: Loongson: Modify ChipConfig register definition

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This patch is prepared for Multi-chip interconnection. Since each chip
has a ChipConfig register, LOONGSON_CHIPCFG should be an array.

Signed-off-by: Huacai Chen <[email protected]>
Cc: John Crispin <[email protected]>
Cc: Steven J. Hill <[email protected]>
Cc: Aurelien Jarno <[email protected]>
Cc: [email protected]
Cc: Fuxin Zhang <[email protected]>
Cc: Zhangjin Wu <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/7185/
Signed-off-by: Ralf Baechle <[email protected]>
This commit is contained in:
Huacai Chen 2014-06-26 11:41:27 +08:00 • committed by Ralf Baechle
commit 140e39c1e3
7 changed files with 28 additions and 14 deletions
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6
drivers/cpufreq/loongson2_cpufreq.c
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@ -148,9 +148,9 @@ static void loongson2_cpu_wait(void)
u32 cpu_freq;
spin_lock_irqsave(&loongson2_wait_lock, flags);
cpu_freq = LOONGSON_CHIPCFG0;
LOONGSON_CHIPCFG0 &= ~0x7; /* Put CPU into wait mode */
LOONGSON_CHIPCFG0 = cpu_freq; /* Restore CPU state */
cpu_freq = LOONGSON_CHIPCFG(0);
LOONGSON_CHIPCFG(0) &= ~0x7; /* Put CPU into wait mode */
LOONGSON_CHIPCFG(0) = cpu_freq; /* Restore CPU state */
spin_unlock_irqrestore(&loongson2_wait_lock, flags);
local_irq_enable();
}