powerpc/powernv: Fix endian bug in LPC bus debugfs accessors
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 3 Oct 2014 07:12:25 +0000 (17:12 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 7 Oct 2014 05:01:18 +0000 (16:01 +1100)
commitbf7588a0859580a45c63cb082825d77c13eca357
tree135be483b54c55629ed035347a05d788d87f4e3a
parent75d43b2d0a323ba894d85060888f039e41b441ca
powerpc/powernv: Fix endian bug in LPC bus debugfs accessors

When reading from the LPC, the OPAL FW calls return the value via pointer
to a uint32_t which is always returned big endian. Our internal inb/outb
implementation byteswaps that fine but our debugfs code is still broken.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@vger.kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/platforms/powernv/opal-lpc.c