Message ID | 20180405081547.13266-6-npiggin@gmail.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | first step of standardising OPAL_BUSY handling | expand |
diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c index 0dc8fa4e0af2..603c4ffdb45c 100644 --- a/arch/powerpc/platforms/powernv/opal-dump.c +++ b/arch/powerpc/platforms/powernv/opal-dump.c @@ -264,8 +264,10 @@ static int64_t dump_read_data(struct dump_obj *dump) while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { rc = opal_dump_read(dump->id, addr); if (rc == OPAL_BUSY_EVENT) { + msleep(OPAL_BUSY_DELAY_MS); opal_poll_events(NULL); - msleep(20); + } else if (rc == OPAL_BUSY) { + msleep(OPAL_BUSY_DELAY_MS); } }
Convert to using the standard delay poll/delay form. The dump code: - Did not previously delay or sleep in the OPAL_BUSY case. - Used a 20ms sleep. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/platforms/powernv/opal-dump.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)