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authorJoe Perches <joe@perches.com>2013-07-31 13:53:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-31 14:41:03 -0700
commitbbeddf52adc1b4207674ab88686cbbe58c24f721 (patch)
treeb5cc2fe8f140e340407e2daa8b1ab2ba63ae00f4 /kernel/printk/printk.c
parentd197c43d04decb6b1298fa3ef26ea04a9ca7c977 (diff)
downloadop-kernel-dev-bbeddf52adc1b4207674ab88686cbbe58c24f721.zip
op-kernel-dev-bbeddf52adc1b4207674ab88686cbbe58c24f721.tar.gz
printk: move braille console support into separate braille.[ch] files
Create files with prototypes and static inlines for braille support. Make braille_console functions return 1 on success. Corrected CONFIG_A11Y_BRAILLE_CONSOLE=n _braille_console_setup return value to NULL. Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Cc: Ming Lei <ming.lei@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/printk/printk.c')
-rw-r--r--kernel/printk/printk.c44
1 files changed, 13 insertions, 31 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 4da2b2c..5a022e0 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -52,6 +52,7 @@
#include <trace/events/printk.h>
#include "console_cmdline.h"
+#include "braille.h"
/* printk's without a loglevel use this.. */
#define DEFAULT_MESSAGE_LOGLEVEL CONFIG_DEFAULT_MESSAGE_LOGLEVEL
@@ -1769,9 +1770,8 @@ static int __add_preferred_console(char *name, int idx, char *options,
c = &console_cmdline[i];
strlcpy(c->name, name, sizeof(c->name));
c->options = options;
-#ifdef CONFIG_A11Y_BRAILLE_CONSOLE
- c->brl_options = brl_options;
-#endif
+ braille_set_options(c, brl_options);
+
c->index = idx;
return 0;
}
@@ -1784,20 +1784,8 @@ static int __init console_setup(char *str)
char *s, *options, *brl_options = NULL;
int idx;
-#ifdef CONFIG_A11Y_BRAILLE_CONSOLE
- if (!memcmp(str, "brl,", 4)) {
- brl_options = "";
- str += 4;
- } else if (!memcmp(str, "brl=", 4)) {
- brl_options = str + 4;
- str = strchr(brl_options, ',');
- if (!str) {
- printk(KERN_ERR "need port name after brl=\n");
- return 1;
- }
- *(str++) = 0;
- }
-#endif
+ if (_braille_console_setup(&str, &brl_options))
+ return 1;
/*
* Decode str into name, index, options.
@@ -2291,16 +2279,10 @@ void register_console(struct console *newcon)
continue;
if (newcon->index < 0)
newcon->index = console_cmdline[i].index;
-#ifdef CONFIG_A11Y_BRAILLE_CONSOLE
- if (console_cmdline[i].brl_options) {
- newcon->flags |= CON_BRL;
- braille_register_console(newcon,
- console_cmdline[i].index,
- console_cmdline[i].options,
- console_cmdline[i].brl_options);
+
+ if (_braille_register_console(newcon, &console_cmdline[i]))
return;
- }
-#endif
+
if (newcon->setup &&
newcon->setup(newcon, console_cmdline[i].options) != 0)
break;
@@ -2388,13 +2370,13 @@ EXPORT_SYMBOL(register_console);
int unregister_console(struct console *console)
{
struct console *a, *b;
- int res = 1;
+ int res;
-#ifdef CONFIG_A11Y_BRAILLE_CONSOLE
- if (console->flags & CON_BRL)
- return braille_unregister_console(console);
-#endif
+ res = _braille_unregister_console(console);
+ if (res)
+ return res;
+ res = 1;
console_lock();
if (console_drivers == console) {
console_drivers=console->next;
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