diff options
Diffstat (limited to 'sound/core/seq_device.c')
| -rw-r--r-- | sound/core/seq_device.c | 50 |
1 files changed, 21 insertions, 29 deletions
diff --git a/sound/core/seq_device.c b/sound/core/seq_device.c index e40a2cba5002..bac9f8603734 100644 --- a/sound/core/seq_device.c +++ b/sound/core/seq_device.c @@ -1,22 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * ALSA sequencer device management * Copyright (c) 1999 by Takashi Iwai <tiwai@suse.de> * - * 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 - * - * *---------------------------------------------------------------- * * This device handler separates the card driver module from sequencer @@ -33,7 +19,6 @@ * lowlevel codes to access emu8000 chip on sbawe card are included in * emu8000-synth module. To activate this module, the hardware * resources like i/o port are passed via snd_seq_device argument. - * */ #include <linux/device.h> @@ -55,16 +40,16 @@ MODULE_LICENSE("GPL"); /* * bus definition */ -static int snd_seq_bus_match(struct device *dev, struct device_driver *drv) +static int snd_seq_bus_match(struct device *dev, const struct device_driver *drv) { struct snd_seq_device *sdev = to_seq_dev(dev); - struct snd_seq_driver *sdrv = to_seq_drv(drv); + const struct snd_seq_driver *sdrv = to_seq_drv(drv); return strcmp(sdrv->id, sdev->id) == 0 && sdrv->argsize == sdev->argsize; } -static struct bus_type snd_seq_bus_type = { +static const struct bus_type snd_seq_bus_type = { .name = "snd_seq", .match = snd_seq_bus_match, }; @@ -148,10 +133,19 @@ void snd_seq_device_load_drivers(void) flush_work(&autoload_work); } EXPORT_SYMBOL(snd_seq_device_load_drivers); -#define cancel_autoload_drivers() cancel_work_sync(&autoload_work) + +static inline void cancel_autoload_drivers(void) +{ + cancel_work_sync(&autoload_work); +} #else -#define queue_autoload_drivers() /* NOP */ -#define cancel_autoload_drivers() /* NOP */ +static inline void queue_autoload_drivers(void) +{ +} + +static inline void cancel_autoload_drivers(void) +{ +} #endif /* @@ -162,6 +156,8 @@ static int snd_seq_device_dev_free(struct snd_device *device) struct snd_seq_device *dev = device->device_data; cancel_autoload_drivers(); + if (dev->private_free) + dev->private_free(dev); put_device(&dev->dev); return 0; } @@ -189,11 +185,7 @@ static int snd_seq_device_dev_disconnect(struct snd_device *device) static void snd_seq_dev_release(struct device *dev) { - struct snd_seq_device *sdev = to_seq_dev(dev); - - if (sdev->private_free) - sdev->private_free(sdev); - kfree(sdev); + kfree(to_seq_dev(dev)); } /* @@ -208,7 +200,7 @@ int snd_seq_device_new(struct snd_card *card, int device, const char *id, { struct snd_seq_device *dev; int err; - static struct snd_device_ops dops = { + static const struct snd_device_ops dops = { .dev_free = snd_seq_device_dev_free, .dev_register = snd_seq_device_dev_register, .dev_disconnect = snd_seq_device_dev_disconnect, @@ -242,7 +234,7 @@ int snd_seq_device_new(struct snd_card *card, int device, const char *id, put_device(&dev->dev); return err; } - + if (result) *result = dev; |