diff options
| author | Hong Liu <hong.liu@intel.com> | 2010-07-26 10:06:12 +0100 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2010-08-03 09:50:33 -0400 |
| commit | 77e01d6d177f060f466417fa32fc3e1381a73502 (patch) | |
| tree | bda4acd937c9230d7f3f0fb02077b857ac39b7da /drivers | |
| parent | 215c330fe92be8d9f74bc292ea085dbe2ace6bf5 (diff) | |
intel_scu_ipc: return -EIO for error condition in busy_loop
Signed-off-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/x86/intel_scu_ipc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 84a2d4bfdec..23b6d46a4b8 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -148,7 +148,10 @@ static inline int busy_loop(void) /* Wait till scu status is busy */ return -ETIMEDOUT; } } - return (status >> 1) & 1; + if ((status >> 1) & 1) + return -EIO; + + return 0; } /* Read/Write power control(PMIC in Langwell, MSIC in PenWell) registers */ |