diff options
Diffstat (limited to 'drivers/input/keyboard/locomokbd.c')
| -rw-r--r-- | drivers/input/keyboard/locomokbd.c | 38 |
1 files changed, 8 insertions, 30 deletions
diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c index c94d610b9d78..58d4f2096cf9 100644 --- a/drivers/input/keyboard/locomokbd.c +++ b/drivers/input/keyboard/locomokbd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * LoCoMo keyboard driver for Linux-based ARM PDAs: * - SHARP Zaurus Collie (SL-5500) @@ -5,22 +6,6 @@ * * Copyright (c) 2005 John Lenz * Based on from xtkbd.c - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/slab.h> @@ -127,11 +112,10 @@ static inline void locomokbd_reset_col(unsigned long membase, int col) static void locomokbd_scankeyboard(struct locomokbd *locomokbd) { unsigned int row, col, rowd; - unsigned long flags; unsigned int num_pressed; unsigned long membase = locomokbd->base; - spin_lock_irqsave(&locomokbd->lock, flags); + guard(spinlock_irqsave)(&locomokbd->lock); locomokbd_charge_all(membase); @@ -182,8 +166,6 @@ static void locomokbd_scankeyboard(struct locomokbd *locomokbd) mod_timer(&locomokbd->timer, jiffies + SCAN_INTERVAL); else locomokbd->count_cancel = 0; - - spin_unlock_irqrestore(&locomokbd->lock, flags); } /* @@ -210,9 +192,9 @@ static irqreturn_t locomokbd_interrupt(int irq, void *dev_id) /* * LoCoMo timer checking for released keys */ -static void locomokbd_timer_callback(unsigned long data) +static void locomokbd_timer_callback(struct timer_list *t) { - struct locomokbd *locomokbd = (struct locomokbd *) data; + struct locomokbd *locomokbd = timer_container_of(locomokbd, t, timer); locomokbd_scankeyboard(locomokbd); } @@ -242,7 +224,7 @@ static int locomokbd_probe(struct locomo_dev *dev) struct input_dev *input_dev; int i, err; - locomokbd = kzalloc(sizeof(struct locomokbd), GFP_KERNEL); + locomokbd = kzalloc(sizeof(*locomokbd), GFP_KERNEL); input_dev = input_allocate_device(); if (!locomokbd || !input_dev) { err = -ENOMEM; @@ -264,9 +246,7 @@ static int locomokbd_probe(struct locomo_dev *dev) spin_lock_init(&locomokbd->lock); - init_timer(&locomokbd->timer); - locomokbd->timer.function = locomokbd_timer_callback; - locomokbd->timer.data = (unsigned long) locomokbd; + timer_setup(&locomokbd->timer, locomokbd_timer_callback, 0); locomokbd->suspend_jiffies = jiffies; @@ -321,13 +301,13 @@ static int locomokbd_probe(struct locomo_dev *dev) return err; } -static int locomokbd_remove(struct locomo_dev *dev) +static void locomokbd_remove(struct locomo_dev *dev) { struct locomokbd *locomokbd = locomo_get_drvdata(dev); free_irq(dev->irq[0], locomokbd); - del_timer_sync(&locomokbd->timer); + timer_shutdown_sync(&locomokbd->timer); input_unregister_device(locomokbd->input); locomo_set_drvdata(dev, NULL); @@ -335,8 +315,6 @@ static int locomokbd_remove(struct locomo_dev *dev) release_mem_region((unsigned long) dev->mapbase, dev->length); kfree(locomokbd); - - return 0; } static struct locomo_driver keyboard_driver = { |