powerpc/powernv: Handle unknown OPAL errors in opal_nvram_write()
opal_nvram_write currently just assumes success if it encounters an error other than OPAL_BUSY or OPAL_BUSY_EVENT. Have it return -EIO on other errors instead. Fixes: 628daa8d ("powerpc/powernv: Add RTC and NVRAM support plus RTAS fallbacks") Cc: stable@vger.kernel.org # v3.2+ Signed-off-by:Nicholas Piggin <npiggin@gmail.com> Reviewed-by:
Vasant Hegde <hegdevasant@linux.vnet.ibm.com> Acked-by:
Stewart Smith <stewart@linux.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
parent
0f9bdfe3
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