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intel_scu_ipc: return -EIO for error condition in busy_loop

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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>
This commit is contained in:
Hong Liu 2010-07-26 10:06:12 +01:00 committed by Matthew Garrett
parent 215c330fe9
commit 77e01d6d17
1 changed files with 4 additions and 1 deletions
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5
drivers/platform/x86/intel_scu_ipc.c
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@ -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 */