diff options
Diffstat (limited to 'drivers/input/serio/libps2.c')
| -rw-r--r-- | drivers/input/serio/libps2.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c index b819239d74d..2b304c22c20 100644 --- a/drivers/input/serio/libps2.c +++ b/drivers/input/serio/libps2.c @@ -26,15 +26,6 @@ MODULE_AUTHOR("Dmitry Torokhov <dtor@mail.ru>"); MODULE_DESCRIPTION("PS/2 driver library"); MODULE_LICENSE("GPL"); -/* Work structure to schedule execution of a command */ -struct ps2work { - struct work_struct work; - struct ps2dev *ps2dev; - int command; - unsigned char param[0]; -}; - - /* * ps2_sendbyte() sends a byte to the device and waits for acknowledge. * It doesn't handle retransmission, though it could - because if there @@ -246,49 +237,6 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command) EXPORT_SYMBOL(ps2_command); /* - * ps2_execute_scheduled_command() sends a command, previously scheduled by - * ps2_schedule_command(), to a PS/2 device (keyboard, mouse, etc.) - */ - -static void ps2_execute_scheduled_command(struct work_struct *work) -{ - struct ps2work *ps2work = container_of(work, struct ps2work, work); - - ps2_command(ps2work->ps2dev, ps2work->param, ps2work->command); - kfree(ps2work); -} - -/* - * ps2_schedule_command() allows to schedule delayed execution of a PS/2 - * command and can be used to issue a command from an interrupt or softirq - * context. - */ - -int ps2_schedule_command(struct ps2dev *ps2dev, unsigned char *param, int command) -{ - struct ps2work *ps2work; - int send = (command >> 12) & 0xf; - int receive = (command >> 8) & 0xf; - - if (!(ps2work = kmalloc(sizeof(struct ps2work) + max(send, receive), GFP_ATOMIC))) - return -1; - - memset(ps2work, 0, sizeof(struct ps2work)); - ps2work->ps2dev = ps2dev; - ps2work->command = command; - memcpy(ps2work->param, param, send); - INIT_WORK(&ps2work->work, ps2_execute_scheduled_command); - - if (!schedule_work(&ps2work->work)) { - kfree(ps2work); - return -1; - } - - return 0; -} -EXPORT_SYMBOL(ps2_schedule_command); - -/* * ps2_init() initializes ps2dev structure */ |