forked from luck/tmp_suning_uos_patched
431d452af1
Occasionally, the system can't come back up after suspend/resume due to problems of device suspending phase. This patch make PM_TRACE infrastructure cover device suspending phase of suspend/resume process, and the information in RTC can tell developers which device suspending function make system hang. Signed-off-by: Zhonghui Fu <zhonghui.fu@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
24 lines
572 B
C
24 lines
572 B
C
#ifndef _ASM_X86_PM_TRACE_H
|
|
#define _ASM_X86_PM_TRACE_H
|
|
|
|
#include <asm/asm.h>
|
|
|
|
#define TRACE_RESUME(user) \
|
|
do { \
|
|
if (pm_trace_enabled) { \
|
|
const void *tracedata; \
|
|
asm volatile(_ASM_MOV " $1f,%0\n" \
|
|
".section .tracedata,\"a\"\n" \
|
|
"1:\t.word %c1\n\t" \
|
|
_ASM_PTR " %c2\n" \
|
|
".previous" \
|
|
:"=r" (tracedata) \
|
|
: "i" (__LINE__), "i" (__FILE__)); \
|
|
generate_pm_trace(tracedata, user); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TRACE_SUSPEND(user) TRACE_RESUME(user)
|
|
|
|
#endif /* _ASM_X86_PM_TRACE_H */
|