From 438c9da5143c6a563c5c684b91eb7848a7b2d83d Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Wed, 2 Nov 2005 22:49:53 -0500 Subject: [PATCH] Input: locomokbd - convert to dynamic input allocation Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/locomokbd.c | 63 +++++++++++++++--------------- 1 file changed, 31 insertions(+), 32 deletions(-) diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c index 8935290256b3..a6ddd9472602 100644 --- a/drivers/input/keyboard/locomokbd.c +++ b/drivers/input/keyboard/locomokbd.c @@ -76,7 +76,7 @@ static unsigned char locomokbd_keycode[LOCOMOKBD_NUMKEYS] = { struct locomokbd { unsigned char keycode[LOCOMOKBD_NUMKEYS]; - struct input_dev input; + struct input_dev *input; char phys[32]; struct locomo_dev *ldev; @@ -136,8 +136,7 @@ static void locomokbd_scankeyboard(struct locomokbd *locomokbd, struct pt_regs * spin_lock_irqsave(&locomokbd->lock, flags); - if (regs) - input_regs(&locomokbd->input, regs); + input_regs(locomokbd->input, regs); locomokbd_charge_all(membase); @@ -152,16 +151,16 @@ static void locomokbd_scankeyboard(struct locomokbd *locomokbd, struct pt_regs * scancode = SCANCODE(col, row); if (rowd & KB_ROWMASK(row)) { num_pressed += 1; - input_report_key(&locomokbd->input, locomokbd->keycode[scancode], 1); + input_report_key(locomokbd->input, locomokbd->keycode[scancode], 1); } else { - input_report_key(&locomokbd->input, locomokbd->keycode[scancode], 0); + input_report_key(locomokbd->input, locomokbd->keycode[scancode], 0); } } locomokbd_reset_col(membase, col); } locomokbd_activate_all(membase); - input_sync(&locomokbd->input); + input_sync(locomokbd->input); /* if any keys are pressed, enable the timer */ if (num_pressed) @@ -196,13 +195,15 @@ static void locomokbd_timer_callback(unsigned long data) static int locomokbd_probe(struct locomo_dev *dev) { struct locomokbd *locomokbd; + struct input_dev *input_dev; int i, ret; - locomokbd = kmalloc(sizeof(struct locomokbd), GFP_KERNEL); - if (!locomokbd) - return -ENOMEM; - - memset(locomokbd, 0, sizeof(struct locomokbd)); + locomokbd = kzalloc(sizeof(struct locomokbd), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!locomokbd || !input_dev) { + ret = -ENOMEM; + goto free; + } /* try and claim memory region */ if (!request_mem_region((unsigned long) dev->mapbase, @@ -224,27 +225,26 @@ static int locomokbd_probe(struct locomo_dev *dev) locomokbd->timer.function = locomokbd_timer_callback; locomokbd->timer.data = (unsigned long) locomokbd; - locomokbd->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + locomokbd->input = input_dev; + strcpy(locomokbd->phys, "locomokbd/input0"); - init_input_dev(&locomokbd->input); - locomokbd->input.keycode = locomokbd->keycode; - locomokbd->input.keycodesize = sizeof(unsigned char); - locomokbd->input.keycodemax = ARRAY_SIZE(locomokbd_keycode); - locomokbd->input.private = locomokbd; + input_dev->name = "LoCoMo keyboard"; + input_dev->phys = locomokbd->phys; + input_dev->id.bustype = BUS_XTKBD; + input_dev->id.vendor = 0x0001; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->private = locomokbd; + + input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + input_dev->keycode = locomokbd->keycode; + input_dev->keycodesize = sizeof(unsigned char); + input_dev->keycodemax = ARRAY_SIZE(locomokbd_keycode); memcpy(locomokbd->keycode, locomokbd_keycode, sizeof(locomokbd->keycode)); for (i = 0; i < LOCOMOKBD_NUMKEYS; i++) - set_bit(locomokbd->keycode[i], locomokbd->input.keybit); - clear_bit(0, locomokbd->input.keybit); - - strcpy(locomokbd->phys, "locomokbd/input0"); - - locomokbd->input.name = "LoCoMo keyboard"; - locomokbd->input.phys = locomokbd->phys; - locomokbd->input.id.bustype = BUS_XTKBD; - locomokbd->input.id.vendor = 0x0001; - locomokbd->input.id.product = 0x0001; - locomokbd->input.id.version = 0x0100; + set_bit(locomokbd->keycode[i], input_dev->keybit); + clear_bit(0, input_dev->keybit); /* attempt to get the interrupt */ ret = request_irq(dev->irq[0], locomokbd_interrupt, 0, "locomokbd", locomokbd); @@ -253,9 +253,7 @@ static int locomokbd_probe(struct locomo_dev *dev) goto out; } - input_register_device(&locomokbd->input); - - printk(KERN_INFO "input: LoCoMo keyboard on locomokbd\n"); + input_register_device(locomokbd->input); return 0; @@ -263,6 +261,7 @@ out: release_mem_region((unsigned long) dev->mapbase, dev->length); locomo_set_drvdata(dev, NULL); free: + input_free_device(input_dev); kfree(locomokbd); return ret; @@ -276,7 +275,7 @@ static int locomokbd_remove(struct locomo_dev *dev) del_timer_sync(&locomokbd->timer); - input_unregister_device(&locomokbd->input); + input_unregister_device(locomokbd->input); locomo_set_drvdata(dev, NULL); release_mem_region((unsigned long) dev->mapbase, dev->length);