parport: Remove 'drivers' list

The list has been empty since:
 'commit 3275158fa5 ("parport: remove use of devmodel")'

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

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/r/20240502154823.67235-2-linux@treblig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dr. David Alan Gilbert 2024-05-02 16:48:21 +01:00 committed by Greg Kroah-Hartman
parent 2f3fd91b9e
commit f9a748fa5c
2 changed files with 0 additions and 10 deletions

View File

@ -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

View File

@ -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)