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 /arch/powerpc/include | |
| 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 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/opal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 834e7e29f1e4..ff3866473afe 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -308,6 +308,7 @@ extern void opal_configure_cores(void); extern int opal_get_chars(uint32_t vtermno, char *buf, int count); extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len); extern int opal_put_chars_atomic(uint32_t vtermno, const char *buf, int total_len); +extern int opal_flush_chars(uint32_t vtermno, bool wait); extern int opal_flush_console(uint32_t vtermno); extern void hvc_opal_init_early(void); |