powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages
BugLink: http://bugs.launchpad.net/bugs/1552332 The recently added OPAL API call, OPAL_CONSOLE_FLUSH, originally took no parameters and returned nothing. The call was updated to accept the terminal number to flush, and returned various values depending on the state of the output buffer. The prototype has been updated and its usage in the OPAL kmsg dumper has been modified to support its new behaviour as an incremental flush. Signed-off-by: Russell Currey <ruscur@russell.cc> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> (cherry picked from commit c88c5d43) Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
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