diff options
Diffstat (limited to 'drivers/char/keyboard.c')
-rw-r--r-- | drivers/char/keyboard.c | 40 |
1 files changed, 3 insertions, 37 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index ada25bb8941e..50f6c01f44ec 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c | |||
@@ -38,7 +38,6 @@ | |||
38 | #include <linux/kbd_kern.h> | 38 | #include <linux/kbd_kern.h> |
39 | #include <linux/kbd_diacr.h> | 39 | #include <linux/kbd_diacr.h> |
40 | #include <linux/vt_kern.h> | 40 | #include <linux/vt_kern.h> |
41 | #include <linux/sysrq.h> | ||
42 | #include <linux/input.h> | 41 | #include <linux/input.h> |
43 | #include <linux/reboot.h> | 42 | #include <linux/reboot.h> |
44 | #include <linux/notifier.h> | 43 | #include <linux/notifier.h> |
@@ -82,8 +81,7 @@ void compute_shiftstate(void); | |||
82 | typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value, | 81 | typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value, |
83 | char up_flag); | 82 | char up_flag); |
84 | static k_handler_fn K_HANDLERS; | 83 | static k_handler_fn K_HANDLERS; |
85 | k_handler_fn *k_handler[16] = { K_HANDLERS }; | 84 | static k_handler_fn *k_handler[16] = { K_HANDLERS }; |
86 | EXPORT_SYMBOL_GPL(k_handler); | ||
87 | 85 | ||
88 | #define FN_HANDLERS\ | 86 | #define FN_HANDLERS\ |
89 | fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\ | 87 | fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\ |
@@ -147,22 +145,6 @@ static struct ledptr { | |||
147 | unsigned char valid:1; | 145 | unsigned char valid:1; |
148 | } ledptrs[3]; | 146 | } ledptrs[3]; |
149 | 147 | ||
150 | /* Simple translation table for the SysRq keys */ | ||
151 | |||
152 | #ifdef CONFIG_MAGIC_SYSRQ | ||
153 | unsigned char kbd_sysrq_xlate[KEY_MAX + 1] = | ||
154 | "\000\0331234567890-=\177\t" /* 0x00 - 0x0f */ | ||
155 | "qwertyuiop[]\r\000as" /* 0x10 - 0x1f */ | ||
156 | "dfghjkl;'`\000\\zxcv" /* 0x20 - 0x2f */ | ||
157 | "bnm,./\000*\000 \000\201\202\203\204\205" /* 0x30 - 0x3f */ | ||
158 | "\206\207\210\211\212\000\000789-456+1" /* 0x40 - 0x4f */ | ||
159 | "230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */ | ||
160 | "\r\000/"; /* 0x60 - 0x6f */ | ||
161 | static int sysrq_down; | ||
162 | static int sysrq_alt_use; | ||
163 | #endif | ||
164 | static int sysrq_alt; | ||
165 | |||
166 | /* | 148 | /* |
167 | * Notifier list for console keyboard events | 149 | * Notifier list for console keyboard events |
168 | */ | 150 | */ |
@@ -1108,7 +1090,8 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode, | |||
1108 | * pressing PrtSc/SysRq alone, but simply 0x54 | 1090 | * pressing PrtSc/SysRq alone, but simply 0x54 |
1109 | * when pressing Alt+PrtSc/SysRq. | 1091 | * when pressing Alt+PrtSc/SysRq. |
1110 | */ | 1092 | */ |
1111 | if (sysrq_alt) { | 1093 | if (test_bit(KEY_LEFTALT, key_down) || |
1094 | test_bit(KEY_RIGHTALT, key_down)) { | ||
1112 | put_queue(vc, 0x54 | up_flag); | 1095 | put_queue(vc, 0x54 | up_flag); |
1113 | } else { | 1096 | } else { |
1114 | put_queue(vc, 0xe0); | 1097 | put_queue(vc, 0xe0); |
@@ -1176,8 +1159,6 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw) | |||
1176 | 1159 | ||
1177 | kbd = kbd_table + vc->vc_num; | 1160 | kbd = kbd_table + vc->vc_num; |
1178 | 1161 | ||
1179 | if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT) | ||
1180 | sysrq_alt = down ? keycode : 0; | ||
1181 | #ifdef CONFIG_SPARC | 1162 | #ifdef CONFIG_SPARC |
1182 | if (keycode == KEY_STOP) | 1163 | if (keycode == KEY_STOP) |
1183 | sparc_l1_a_state = down; | 1164 | sparc_l1_a_state = down; |
@@ -1190,21 +1171,6 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw) | |||
1190 | if (keycode < BTN_MISC && printk_ratelimit()) | 1171 | if (keycode < BTN_MISC && printk_ratelimit()) |
1191 | printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode); | 1172 | printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode); |
1192 | 1173 | ||
1193 | #ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */ | ||
1194 | if (keycode == KEY_SYSRQ && (sysrq_down || (down == 1 && sysrq_alt))) { | ||
1195 | if (!sysrq_down) { | ||
1196 | sysrq_down = down; | ||
1197 | sysrq_alt_use = sysrq_alt; | ||
1198 | } | ||
1199 | return; | ||
1200 | } | ||
1201 | if (sysrq_down && !down && keycode == sysrq_alt_use) | ||
1202 | sysrq_down = 0; | ||
1203 | if (sysrq_down && down && !rep) { | ||
1204 | handle_sysrq(kbd_sysrq_xlate[keycode], tty); | ||
1205 | return; | ||
1206 | } | ||
1207 | #endif | ||
1208 | #ifdef CONFIG_SPARC | 1174 | #ifdef CONFIG_SPARC |
1209 | if (keycode == KEY_A && sparc_l1_a_state) { | 1175 | if (keycode == KEY_A && sparc_l1_a_state) { |
1210 | sparc_l1_a_state = 0; | 1176 | sparc_l1_a_state = 0; |