diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-05-01 00:55:58 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-08-20 20:19:54 +1000 |
| commit | 95b861a76c1ded3e89d33a3d9f4552dce22e9875 (patch) | |
| tree | 407243710c5ee124e906a36750246c30f6dc957b /drivers/tty/hvc | |
| parent | 997dd26cb3c8b7c9b8765751cc1491ad33b2024f (diff) | |
powerpc/powernv: provide a console flush operation for opal hvc driver
Provide the flush hv_op for the opal hvc driver. This will flush the
firmware console buffers without spinning with interrupts disabled.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/tty/hvc')
| -rw-r--r-- | drivers/tty/hvc/hvc_opal.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c index f631f8bee308..77baf895108f 100644 --- a/drivers/tty/hvc/hvc_opal.c +++ b/drivers/tty/hvc/hvc_opal.c @@ -52,6 +52,7 @@ static u32 hvc_opal_boot_termno; static const struct hv_ops hvc_opal_raw_ops = { .get_chars = opal_get_chars, .put_chars = opal_put_chars, + .flush = opal_flush_chars, .notifier_add = notifier_add_irq, .notifier_del = notifier_del_irq, .notifier_hangup = notifier_hangup_irq, @@ -141,6 +142,7 @@ static int hvc_opal_hvsi_tiocmset(struct hvc_struct *hp, unsigned int set, static const struct hv_ops hvc_opal_hvsi_ops = { .get_chars = hvc_opal_hvsi_get_chars, .put_chars = hvc_opal_hvsi_put_chars, + .flush = opal_flush_chars, .notifier_add = hvc_opal_hvsi_open, .notifier_del = hvc_opal_hvsi_close, .notifier_hangup = hvc_opal_hvsi_hangup, |