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authorNicholas Piggin <npiggin@gmail.com>2018-05-01 00:55:58 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-08-20 20:19:54 +1000
commit95b861a76c1ded3e89d33a3d9f4552dce22e9875 (patch)
tree407243710c5ee124e906a36750246c30f6dc957b /arch/powerpc/include
parent997dd26cb3c8b7c9b8765751cc1491ad33b2024f (diff)
downloadlinux-95b861a76c1ded3e89d33a3d9f4552dce22e9875.tar.bz2
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.h1
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);