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| author | Zhonghui Fu <zhonghui.fu@linux.intel.com> | 2015-03-18 15:54:27 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-03-18 15:54:27 +0100 |
| commit | 431d452af13720463dda498999b2e9a08729c03a (patch) | |
| tree | 581e00b8b20d6fbc60df1d0d0c4390141abe1f4f /arch/x86/include/asm/resume-trace.h | |
| parent | 1d4a9c17d4d204a159139361e8d4db7f9f267879 (diff) | |
| download | talos-op-linux-431d452af13720463dda498999b2e9a08729c03a.tar.gz talos-op-linux-431d452af13720463dda498999b2e9a08729c03a.zip | |
PM / sleep: add pm-trace support for suspending phase
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>
Diffstat (limited to 'arch/x86/include/asm/resume-trace.h')
| -rw-r--r-- | arch/x86/include/asm/resume-trace.h | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/x86/include/asm/resume-trace.h b/arch/x86/include/asm/resume-trace.h deleted file mode 100644 index 3ff1c2cb1da5..000000000000 --- a/arch/x86/include/asm/resume-trace.h +++ /dev/null @@ -1,21 +0,0 @@ -#ifndef _ASM_X86_RESUME_TRACE_H -#define _ASM_X86_RESUME_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_resume_trace(tracedata, user); \ - } \ -} while (0) - -#endif /* _ASM_X86_RESUME_TRACE_H */ |
