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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

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Pull more input updates from Dmitry Torokhov:
 "Two new drivers for touchscreen controllers:

   - Silead touchscreen controllers
   - SiS 9200 family touchscreen controllers

  and a few driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: silead - remove some dead code
  Input: sis-i2c - select CONFIG_CRC_ITU_T
  Input: add driver for SiS 9200 family I2C touchscreen controllers
  Input: ili210x - fix permissions on "calibrate" attribute
  Input: elan_i2c - properly wake up touchpad on ASUS laptops
  Input: add driver for Silead touchscreens
  Input: elantech - fix debug dump of the current packet
  Input: rotary_encoder - support binary encoding of states
  Input: xpad - power off wireless 360 controllers on suspend
  Input: i8042 - break load dependency between atkbd/psmouse and i8042
  Input: synaptics-rmi4 - do not check for NULL when calling of_node_put()
  Input: cros_ec_keyb - cleanup use of dev
This commit is contained in:
Linus Torvalds
2016-08-05 23:24:15 -04:00
parent f72035fad8 22fe874f38
commit 39fada5527
19 changed files with 1244 additions and 70 deletions
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6
include/linux/i8042.h
View File

@@ -62,7 +62,6 @@ struct serio;
void i8042_lock_chip(void);
void i8042_unlock_chip(void);
int i8042_command(unsigned char *param, int command);
bool i8042_check_port_owner(const struct serio *);
int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str,
struct serio *serio));
int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str,
@@ -83,11 +82,6 @@ static inline int i8042_command(unsigned char *param, int command)
return -ENODEV;
}
static inline bool i8042_check_port_owner(const struct serio *serio)
{
return false;
}
static inline int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str,
struct serio *serio))
{

24
include/linux/serio.h
View File

@@ -31,7 +31,8 @@ struct serio {
struct serio_device_id id;
spinlock_t lock; /* protects critical sections from port's interrupt handler */
/* Protects critical sections from port's interrupt handler */
spinlock_t lock;
int (*write)(struct serio *, unsigned char);
int (*open)(struct serio *);
@@ -40,16 +41,29 @@ struct serio {
void (*stop)(struct serio *);
struct serio *parent;
struct list_head child_node; /* Entry in parent->children list */
/* Entry in parent->children list */
struct list_head child_node;
struct list_head children;
unsigned int depth; /* level of nesting in serio hierarchy */
/* Level of nesting in serio hierarchy */
unsigned int depth;
struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */
struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */
/*
* serio->drv is accessed from interrupt handlers; when modifying
* caller should acquire serio->drv_mutex and serio->lock.
*/
struct serio_driver *drv;
/* Protects serio->drv so attributes can pin current driver */
struct mutex drv_mutex;
struct device dev;
struct list_head node;
/*
* For use by PS/2 layer when several ports share hardware and
* may get indigestion when exposed to concurrent access (i8042).
*/
struct mutex *ps2_cmd_mutex;
};
#define to_serio_port(d) container_of(d, struct serio, dev)