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Commit 919c03ae authored by Christian Gromm's avatar Christian Gromm Committed by Greg Kroah-Hartman
Browse files

staging: most: enable configfs support 



This patch enables the configfs functionality of the driver by
registering the configfs subsystems and compiling the configfs
part of the sources.

Signed-off-by: default avatarChristian Gromm <christian.gromm@microchip.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9640baca

drivers/staging/most/Kconfig

+1 −1
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0

menuconfig MOST

        tristate "MOST support"

	depends on HAS_DMA

	depends on HAS_DMA && CONFIGFS_FS

        default n

        ---help---

	  Say Y here if you want to enable MOST support.

drivers/staging/most/Makefile

+1 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0

obj-$(CONFIG_MOST) += most_core.o

most_core-y := core.o

most_core-y += configfs.o

ccflags-y += -I $(srctree)/drivers/staging/



obj-$(CONFIG_MOST_CDEV)	+= cdev/

drivers/staging/most/cdev/cdev.c

+6 −0
Original line number Diff line number Diff line
@@ -527,8 +527,13 @@ static int __init mod_init(void) 
	err = most_register_component(&comp.cc);

	if (err)

		goto free_cdev;

	err = most_register_configfs_subsys(&comp.cc);

	if (err)

		goto deregister_comp;

	return 0;



deregister_comp:

	most_deregister_component(&comp.cc);

free_cdev:

	unregister_chrdev_region(comp.devno, CHRDEV_REGION_SIZE);

dest_ida:
@@ -543,6 +548,7 @@ static void __exit mod_exit(void) 


	pr_info("exit module\n");



	most_deregister_configfs_subsys(&comp.cc);

	most_deregister_component(&comp.cc);



	list_for_each_entry_safe(c, tmp, &channel_list, list) {

drivers/staging/most/core.c

+1 −1
Original line number Diff line number Diff line
@@ -1765,7 +1765,7 @@ static int __init most_init(void) 
		err = -ENOMEM;

		goto err_unregister_driver;

	}



	configfs_init();

	return 0;



err_unregister_driver:

drivers/staging/most/sound/sound.c

+10 −1
Original line number Diff line number Diff line
@@ -790,16 +790,25 @@ static struct core_component comp = { 


static int __init audio_init(void)

{

	int ret;



	pr_info("init()\n");



	INIT_LIST_HEAD(&adpt_list);



	return most_register_component(&comp);

	ret = most_register_component(&comp);

	if (ret)

		pr_err("Failed to register %s\n", comp.name);

	ret = most_register_configfs_subsys(&comp);

	if (ret)

		pr_err("Failed to register %s configfs subsys\n", comp.name);

	return ret;

}



static void __exit audio_exit(void)

{

	pr_info("exit()\n");

	most_deregister_configfs_subsys(&comp);

	most_deregister_component(&comp);

}