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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-19 13:31:34 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-19 13:31:34 -0800 |
commit | d43a338e395371733a80ec473b40baac5f74d768 (patch) | |
tree | d4c01b62865bed1af2463d7a4eb4cb25ca46c66e /drivers/input/serio | |
parent | cb4aaf46c0283dd79ab2e8b8b165c0bf13ab6194 (diff) | |
parent | 62b529a7b9c11880a8820494a25db0e2ecdf3bed (diff) | |
download | linux-stable-d43a338e395371733a80ec473b40baac5f74d768.tar.gz linux-stable-d43a338e395371733a80ec473b40baac5f74d768.tar.bz2 linux-stable-d43a338e395371733a80ec473b40baac5f74d768.zip |
Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input:
Input: remove obsolete setup parameters from input drivers
Input: HIL - fix improper call to release_region()
Input: hid-lgff - treat devices as joysticks unless told otherwise
Input: HID - add support for Logitech Formula Force EX
Input: gpio-keys - switch to common GPIO API
Input: do not lock device when showing name, phys and uniq
Input: i8042 - let serio bus suspend ports
Input: psmouse - properly reset mouse on shutdown/suspend
Diffstat (limited to 'drivers/input/serio')
-rw-r--r-- | drivers/input/serio/i8042.c | 63 | ||||
-rw-r--r-- | drivers/input/serio/serio.c | 36 |
2 files changed, 64 insertions, 35 deletions
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index c3fdfc1f342a..ec195a36e8f6 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -76,13 +76,6 @@ module_param_named(debug, i8042_debug, bool, 0600); MODULE_PARM_DESC(debug, "Turn i8042 debugging mode on and off"); #endif -__obsolete_setup("i8042_noaux"); -__obsolete_setup("i8042_nomux"); -__obsolete_setup("i8042_unlock"); -__obsolete_setup("i8042_reset"); -__obsolete_setup("i8042_direct"); -__obsolete_setup("i8042_dumbkbd"); - #include "i8042.h" static DEFINE_SPINLOCK(i8042_lock); @@ -724,7 +717,7 @@ static int i8042_controller_init(void) if (~i8042_read_status() & I8042_STR_KEYLOCK) { if (i8042_unlock) i8042_ctr |= I8042_CTR_IGNKEYLOCK; - else + else printk(KERN_WARNING "i8042.c: Warning: Keylock active.\n"); } spin_unlock_irqrestore(&i8042_lock, flags); @@ -791,27 +784,6 @@ static void i8042_controller_reset(void) /* - * Here we try to reset everything back to a state in which the BIOS will be - * able to talk to the hardware when rebooting. - */ - -static void i8042_controller_cleanup(void) -{ - int i; - -/* - * Reset anything that is connected to the ports. - */ - - for (i = 0; i < I8042_NUM_PORTS; i++) - if (i8042_ports[i].serio) - serio_cleanup(i8042_ports[i].serio); - - i8042_controller_reset(); -} - - -/* * i8042_panic_blink() will flash the keyboard LEDs and is called when * kernel panics. Flashing LEDs is useful for users running X who may * not see the console and will help distingushing panics from "real" @@ -857,13 +829,22 @@ static long i8042_panic_blink(long count) #undef DELAY +#ifdef CONFIG_PM /* - * Here we try to restore the original BIOS settings + * Here we try to restore the original BIOS settings. We only want to + * do that once, when we really suspend, not when we taking memory + * snapshot for swsusp (in this case we'll perform required cleanup + * as part of shutdown process). */ static int i8042_suspend(struct platform_device *dev, pm_message_t state) { - i8042_controller_cleanup(); + if (dev->dev.power.power_state.event != state.event) { + if (state.event == PM_EVENT_SUSPEND) + i8042_controller_reset(); + + dev->dev.power.power_state = state; + } return 0; } @@ -877,6 +858,12 @@ static int i8042_resume(struct platform_device *dev) { int error; +/* + * Do not bother with restoring state if we haven't suspened yet + */ + if (dev->dev.power.power_state.event == PM_EVENT_ON) + return 0; + error = i8042_controller_check(); if (error) return error; @@ -886,9 +873,12 @@ static int i8042_resume(struct platform_device *dev) return error; /* - * Restore pre-resume CTR value and disable all ports + * Restore original CTR value and disable all ports */ + i8042_ctr = i8042_initial_ctr; + if (i8042_direct) + i8042_ctr &= ~I8042_CTR_XLATE; i8042_ctr |= I8042_CTR_AUXDIS | I8042_CTR_KBDDIS; i8042_ctr &= ~(I8042_CTR_AUXINT | I8042_CTR_KBDINT); if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { @@ -909,8 +899,11 @@ static int i8042_resume(struct platform_device *dev) i8042_interrupt(0, NULL); + dev->dev.power.power_state = PMSG_ON; + return 0; } +#endif /* CONFIG_PM */ /* * We need to reset the 8042 back to original mode on system shutdown, @@ -919,7 +912,7 @@ static int i8042_resume(struct platform_device *dev) static void i8042_shutdown(struct platform_device *dev) { - i8042_controller_cleanup(); + i8042_controller_reset(); } static int __devinit i8042_create_kbd_port(void) @@ -1154,9 +1147,11 @@ static struct platform_driver i8042_driver = { }, .probe = i8042_probe, .remove = __devexit_p(i8042_remove), + .shutdown = i8042_shutdown, +#ifdef CONFIG_PM .suspend = i8042_suspend, .resume = i8042_resume, - .shutdown = i8042_shutdown, +#endif }; static int __init i8042_init(void) diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 17c8c63cbe1a..a15e531ec755 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -778,6 +778,19 @@ static int serio_driver_remove(struct device *dev) return 0; } +static void serio_cleanup(struct serio *serio) +{ + if (serio->drv && serio->drv->cleanup) + serio->drv->cleanup(serio); +} + +static void serio_shutdown(struct device *dev) +{ + struct serio *serio = to_serio_port(dev); + + serio_cleanup(serio); +} + static void serio_attach_driver(struct serio_driver *drv) { int error; @@ -910,11 +923,25 @@ static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buf #endif /* CONFIG_HOTPLUG */ +#ifdef CONFIG_PM +static int serio_suspend(struct device *dev, pm_message_t state) +{ + if (dev->power.power_state.event != state.event) { + if (state.event == PM_EVENT_SUSPEND) + serio_cleanup(to_serio_port(dev)); + + dev->power.power_state = state; + } + + return 0; +} + static int serio_resume(struct device *dev) { struct serio *serio = to_serio_port(dev); - if (serio_reconnect_driver(serio)) { + if (dev->power.power_state.event != PM_EVENT_ON && + serio_reconnect_driver(serio)) { /* * Driver re-probing can take a while, so better let kseriod * deal with it. @@ -922,8 +949,11 @@ static int serio_resume(struct device *dev) serio_rescan(serio); } + dev->power.power_state = PMSG_ON; + return 0; } +#endif /* CONFIG_PM */ /* called from serio_driver->connect/disconnect methods under serio_mutex */ int serio_open(struct serio *serio, struct serio_driver *drv) @@ -974,7 +1004,11 @@ static struct bus_type serio_bus = { .uevent = serio_uevent, .probe = serio_driver_probe, .remove = serio_driver_remove, + .shutdown = serio_shutdown, +#ifdef CONFIG_PM + .suspend = serio_suspend, .resume = serio_resume, +#endif }; static int __init serio_init(void) |