diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2012-10-09 06:20:28 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-11-15 02:59:33 +0100 |
| commit | 6432200aa8de3242d64c02e0bf29305147df0171 (patch) | |
| tree | e8a76bd1dea22e32b3d101d1a26e32127fdbf4d3 /arch/powerpc | |
| parent | powerpc/windfarm: Use module_i2c_driver to simplify the code (diff) | |
| download | linux-6432200aa8de3242d64c02e0bf29305147df0171.tar.xz linux-6432200aa8de3242d64c02e0bf29305147df0171.zip | |
powerpc/udbg: Remove unused udbg_read()
The last user of udbg_read() was removed in 2005, in commit fca5dcd
"Simplify and clean up the xmon terminal I/O".
Given we haven't needed it for 7 years we can probably drop it.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/udbg.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/udbg.c | 23 |
2 files changed, 0 insertions, 24 deletions
diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h index b3038817b8dc..5a7510e9d09d 100644 --- a/arch/powerpc/include/asm/udbg.h +++ b/arch/powerpc/include/asm/udbg.h @@ -21,7 +21,6 @@ extern int (*udbg_getc_poll)(void); extern void udbg_puts(const char *s); extern int udbg_write(const char *s, int n); -extern int udbg_read(char *buf, int buflen); extern void register_early_udbg_console(void); extern void udbg_printf(const char *fmt, ...) diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index c39c1ca77f46..f9748498fe58 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -122,29 +122,6 @@ int udbg_write(const char *s, int n) return n - remain; } -int udbg_read(char *buf, int buflen) -{ - char *p = buf; - int i, c; - - if (!udbg_getc) - return 0; - - for (i = 0; i < buflen; ++i) { - do { - c = udbg_getc(); - if (c == -1 && i == 0) - return -1; - - } while (c == 0x11 || c == 0x13); - if (c == 0 || c == -1) - break; - *p++ = c; - } - - return i; -} - #define UDBG_BUFSIZE 256 void udbg_printf(const char *fmt, ...) { |