Commit f9a748fa authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Greg Kroah-Hartman
Browse files

parport: Remove 'drivers' list 



The list has been empty since:
 'commit 3275158f ("parport: remove use of devmodel")'

This also means we can remove the 'list_head' from
struct parport_driver.

Signed-off-by: default avatarDr. David Alan Gilbert <linux@treblig.org>
Acked-by: default avatarSudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/r/20240502154823.67235-2-linux@treblig.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2f3fd91b

drivers/parport/share.c

+0 −9
Original line number Diff line number Diff line
@@ -49,8 +49,6 @@ static DEFINE_SPINLOCK(parportlist_lock); 
static LIST_HEAD(all_ports);

static DEFINE_SPINLOCK(full_list_lock);



static LIST_HEAD(drivers);



static DEFINE_MUTEX(registration_lock);



/* What you can do to a port that's gone away.. */
@@ -165,10 +163,6 @@ static int driver_check(struct device_driver *dev_drv, void *_port) 
static void attach_driver_chain(struct parport *port)

{

	/* caller has exclusive registration_lock */

	struct parport_driver *drv;



	list_for_each_entry(drv, &drivers, list)

		drv->attach(port);



	/*

	 * call the driver_check function of the drivers registered in
@@ -191,10 +185,7 @@ static int driver_detach(struct device_driver *_drv, void *_port) 
/* Call detach(port) for each registered driver. */

static void detach_driver_chain(struct parport *port)

{

	struct parport_driver *drv;

	/* caller has exclusive registration_lock */

	list_for_each_entry(drv, &drivers, list)

		drv->detach(port);



	/*

	 * call the detach function of the drivers registered in

include/linux/parport.h

+0 −1
Original line number Diff line number Diff line
@@ -258,7 +258,6 @@ struct parport_driver { 
	int (*probe)(struct pardevice *);

	struct device_driver driver;

	bool devmodel;

	struct list_head list;

};



#define to_parport_driver(n) container_of(n, struct parport_driver, driver)