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[PATCH] cell: enable pause(0) in cpu_idle

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This patch enables support for pause(0) power management state
for the Cell Broadband Processor, which is import for power efficient
operation. The pervasive infrastructure will in the future enable
us to introduce more functionality specific to the Cell's
pervasive unit.

From: Maximino Aguilar <maguilar@us.ibm.com>
Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Arnd Bergmann
2006-01-04 19:55:53 +00:00
committed by Paul Mackerras
parent 017e0fad3e
commit c902be71dc
12 changed files with 335 additions and 14 deletions
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5
arch/powerpc/platforms/pseries/ras.c
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@@ -51,6 +51,8 @@
#include <asm/udbg.h>
#include <asm/firmware.h>
#include "ras.h"
static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX];
static DEFINE_SPINLOCK(ras_log_buf_lock);
@@ -278,7 +280,7 @@ static void fwnmi_release_errinfo(void)
printk("FWNMI: nmi-interlock failed: %d\n", ret);
}
void pSeries_system_reset_exception(struct pt_regs *regs)
int pSeries_system_reset_exception(struct pt_regs *regs)
{
if (fwnmi_active) {
struct rtas_error_log *errhdr = fwnmi_get_errinfo(regs);
@@ -287,6 +289,7 @@ void pSeries_system_reset_exception(struct pt_regs *regs)
}
fwnmi_release_errinfo();
}
return 0; /* need to perform reset */
}
/*