Commit graph

13 commits

Author SHA1 Message Date
Eric Miao
da8065ac3e [ARM] locomo: avoid unnecessary cascaded keyboard IRQ
It is not necessary and is over-complicated for IRQ_LOCOMO_KEY to
be a cascaded IRQ of IRQ_LOCOMO_KEY_BASE. Removed and introduced
locomokbd_{open,close} for masking/unmasking of the keyboard IRQ.

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2010-03-02 07:40:49 +08:00
Helge Deller
e6cdd15629 Input: locomokbd - add 'off' button support for Sharp Collie/Poodle
Enables the Sharp Zaurus Collie and Poodle devices to be turned off
by pressing the "Cancel" button for a few seconds (as designed by
Sharp).

Additional small cleanups:
- removal of unused #defines and variables
- add missing __devinit/__devexit/__devinitconst annotations
- reorganized copyright notice

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2008-04-02 00:42:42 -04:00
Jiri Slaby
7b19ada2ed get rid of input BIT* duplicate defines
get rid of input BIT* duplicate defines

use newly global defined macros for input layer. Also remove includes of
input.h from non-input sources only for BIT macro definiton. Define the
macro temporarily in local manner, all those local definitons will be
removed further in this patchset (to not break bisecting).
BIT macro will be globally defined (1<<x)

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: <dtor@mail.ru>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Cc: <lenb@kernel.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Cc: <perex@suse.cz>
Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: <vernux@us.ibm.com>
Cc: <malattia@linux.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19 11:53:42 -07:00
Dmitry Torokhov
469ba4dff9 Input: keyboards - switch to using input_dev->dev.parent
In preparation for struct class_device -> struct device input
core conversion, switch to using input_dev->dev.parent when
specifying device position in sysfs tree.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2007-04-12 01:34:58 -04:00
Dmitry Torokhov
b356872fa4 Input: drivers/input/keyboard - don't access dev->private directly
Use input_get_drvdata() and input_set_drvdata() instead.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2007-04-12 01:34:20 -04:00
Dmitry Torokhov
2b03b60e6b Input: keyboards - handle errors when registering input devices
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2006-11-05 22:39:56 -05:00
Russell King
36bd262b3f [ARM] Fix Zaurii keyboard/touchscreen drivers
The Zaurii drivers were partially fixed up for the IRQ register
changes, but unfortunately missed some bits, resulting in build
errors.  Fix these.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-10-15 13:50:02 +01:00
David Howells
7d12e780e0 IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.

The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around.  On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).

Where appropriate, an arch may override the generic storage facility and do
something different with the variable.  On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.

Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions.  Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller.  A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.

I've build this code with allyesconfig for x86_64 and i386.  I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.

This will affect all archs.  Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:

	struct pt_regs *old_regs = set_irq_regs(regs);

And put the old one back at the end:

	set_irq_regs(old_regs);

Don't pass regs through to generic_handle_irq() or __do_IRQ().

In timer_interrupt(), this sort of change will be necessary:

	-	update_process_times(user_mode(regs));
	-	profile_tick(CPU_PROFILING, regs);
	+	update_process_times(user_mode(get_irq_regs()));
	+	profile_tick(CPU_PROFILING);

I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().

Some notes on the interrupt handling in the drivers:

 (*) input_dev() is now gone entirely.  The regs pointer is no longer stored in
     the input_dev struct.

 (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking.  It does
     something different depending on whether it's been supplied with a regs
     pointer or not.

 (*) Various IRQ handler function pointers have been moved to type
     irq_handler_t.

Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 15:10:12 +01:00
Jörn Engel
6ab3d5624e Remove obsolete #include <linux/config.h>
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-30 19:25:36 +02:00
Pavel Machek
d7a767dddc Input: locomokbd - fix wrong bustype
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-11-02 22:52:33 -05:00
Dmitry Torokhov
438c9da514 Input: locomokbd - convert to dynamic input allocation
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-11-02 22:49:53 -05:00
Dmitry Torokhov
d083e90660 Input: whitespace fixes in drivers/input/keyboard
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2005-05-29 02:28:42 -05:00
Linus Torvalds
1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00