diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-kmsg.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-kmsg.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-kmsg.c b/arch/powerpc/platforms/powernv/opal-kmsg.c index bd3b2ee1ba1d..6f1214d4de92 100644 --- a/arch/powerpc/platforms/powernv/opal-kmsg.c +++ b/arch/powerpc/platforms/powernv/opal-kmsg.c @@ -27,6 +27,7 @@ static void force_opal_console_flush(struct kmsg_dumper *dumper, enum kmsg_dump_reason reason) { int i; + int64_t ret; /* * Outside of a panic context the pollers will continue to run, @@ -36,7 +37,13 @@ static void force_opal_console_flush(struct kmsg_dumper *dumper, return; if (opal_check_token(OPAL_CONSOLE_FLUSH)) { - opal_console_flush(); + ret = opal_console_flush(0); + + if (ret == OPAL_UNSUPPORTED || ret == OPAL_PARAMETER) + return; + + /* Incrementally flush until there's nothing left */ + while (opal_console_flush(0) != OPAL_SUCCESS); } else { /* * If OPAL_CONSOLE_FLUSH is not implemented in the firmware, |