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| author | Michael Ellerman <mpe@ellerman.id.au> | 2019-10-11 19:30:39 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-10-11 19:33:25 +1100 |
| commit | f7a678a8fa548fdd9e89e006f35b0fd60b6f3acc (patch) | |
| tree | e2060f43d96342e0e38e50c7a24aa74ee79c10ae /arch/powerpc/kernel/setup_64.c | |
| parent | cd1d55f16d48d97d681d9534170ce712ac1d09e7 (diff) | |
| download | linux-f7a678a8fa548fdd9e89e006f35b0fd60b6f3acc.tar.gz linux-f7a678a8fa548fdd9e89e006f35b0fd60b6f3acc.tar.bz2 linux-f7a678a8fa548fdd9e89e006f35b0fd60b6f3acc.zip | |
powerpc/udbg: Make it safe to call udbg_printf() always
Make udbg_printf() check if udbg_putc is set, and if not just return.
This makes it safe to call udbg_printf() anytime, even when a udbg
backend has not been registered, which means we can avoid some ifdefs
at call sites.
Signed-off-by: Qian Cai <cai@lca.pw>
[mpe: Split out of larger patch, write change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
0 files changed, 0 insertions, 0 deletions