diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-16 10:48:23 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-16 10:48:23 -0700 |
commit | 69d1d523cc961b6f3c2fe313694263fc81ada231 (patch) | |
tree | 207118ff51e133b1308d37e1d14365b5b0f2ecb2 /arch/parisc/kernel/pdc_cons.c | |
parent | 9a9e0d685553af76cb6ae2af93cca4913e7fcd47 (diff) | |
parent | 56ee0cfd095eab246c0ecd4398c4f30a546663f7 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
[PARISC] make ptr_to_pide() static
[PARISC] head.S: section mismatch fixes
[PARISC] add back Crestone Peak cpu
[PARISC] futex: special case cmpxchg NULL in kernel space
[PARISC] clean up show_stack
[PARISC] add pa8900 CPUs to hardware inventory
[PARISC] clean up include/asm-parisc/elf.h
[PARISC] move defconfig to arch/parisc/configs/
[PARISC] add back AD1889 MAINTAINERS entry
[PARISC] pdc_console: fix bizarre panic on boot
[PARISC] dump_stack in show_regs
[PARISC] pdc_stable: fix compile errors
[PARISC] remove unused pdc_iodc_printf function
[PARISC] bump __NR_syscalls
[PARISC] unbreak pgalloc.h
[PARISC] move VMALLOC_* definitions to fixmap.h
[PARISC] wire up timerfd syscalls
[PARISC] remove old timerfd syscall
Diffstat (limited to 'arch/parisc/kernel/pdc_cons.c')
-rw-r--r-- | arch/parisc/kernel/pdc_cons.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c index 33b1f84441b..ccb68090781 100644 --- a/arch/parisc/kernel/pdc_cons.c +++ b/arch/parisc/kernel/pdc_cons.c @@ -52,28 +52,30 @@ #include <linux/tty.h> #include <asm/pdc.h> /* for iodc_call() proto and friends */ +static spinlock_t pdc_console_lock = SPIN_LOCK_UNLOCKED; static void pdc_console_write(struct console *co, const char *s, unsigned count) { - pdc_iodc_print(s, count); + int i = 0; + unsigned long flags; + + spin_lock_irqsave(&pdc_console_lock, flags); + do { + i += pdc_iodc_print(s + i, count - i); + } while (i < count); + spin_unlock_irqrestore(&pdc_console_lock, flags); } -void pdc_printf(const char *fmt, ...) +int pdc_console_poll_key(struct console *co) { - va_list args; - char buf[1024]; - int i, len; - - va_start(args, fmt); - len = vscnprintf(buf, sizeof(buf), fmt, args); - va_end(args); + int c; + unsigned long flags; - pdc_iodc_print(buf, len); -} + spin_lock_irqsave(&pdc_console_lock, flags); + c = pdc_iodc_getc(); + spin_unlock_irqrestore(&pdc_console_lock, flags); -int pdc_console_poll_key(struct console *co) -{ - return pdc_iodc_getc(); + return c; } static int pdc_console_setup(struct console *co, char *options) |