powerpc/scom: Change scom_read() and scom_write() to return errors
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 29 Aug 2013 06:55:45 +0000 (16:55 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 11 Oct 2013 05:53:34 +0000 (16:53 +1100)
scom_read() now returns the read value via a pointer argument and
both functions return an int error code

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

No differences found