-/*
- * 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);
-