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Fix ENOMEM error sign.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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While reading the code I found a bug in the error path in alloc_dev in dm.c
When blk_alloc_queue fails there is no call to free_minor.
This patch fixes the problem.
Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The new ioctl code passes the wrong file pointer to the underlying device.
No file pointer is available so make a temporary fake one.
ioctl_by_bdev() does set_fs(KERNEL_DS) so it's for ioctls originating
within the kernel and unsuitable here. We are processing ioctls that
originated in userspace and mapping them to different devices. Fixing the
existing callers that pass a NULL file struct and consolidating the
fake_file users are separate matters to solve in later patches.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Export blkdev_driver_ioctl for device-mapper.
If we get as far as the device-mapper ioctl handler, we know the ioctl is not
a standard block layer BLK* one, so we don't need to check for them a second
time and can call blkdev_driver_ioctl() directly.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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When an ioctl is performed on a multipath device simply pass it on to the
underlying block device through current_path. If current path is not yet
selected, select it.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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When an ioctl is performed on a device with a linear target, simply pass it on
to the underlying block device.
Note that the ioctl will pass through the filtering in blkdev_ioctl() twice.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Extend the core device-mapper infrastructure to accept arbitrary ioctls on a
mapped device provided that it has exactly one target and it is capable of
supporting ioctls.
[We can't use unlocked_ioctl because we need 'inode': 'file' might be NULL.
Is it worth changing this?]
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Arnd Bergmann <arnd@arndb.de> wrote:
> Am Wednesday 21 June 2006 21:31 schrieb Alasdair G Kergon:
> > static struct block_device_operations dm_blk_dops = {
> > .open = dm_blk_open,
> > .release = dm_blk_close,
> > +.ioctl = dm_blk_ioctl,
> > .getgeo = dm_blk_getgeo,
> > .owner = THIS_MODULE
>
> I guess this also needs a ->compat_ioctl method, otherwise it won't
> work for ioctl numbers that have a compat_ioctl implementation in the
> low-level device driver.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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xmon writes garbage on the screen because the nvidia console driver has
changed the line pitch from what the firmware set it to. Fix it by making
the nvidia driver inform the btext engine (which xmon uses if the screen is
its output device) about changes to display resolution.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Address http://bugzilla.kernel.org/show_bug.cgi?id=7189
It should check `clen', not `len'.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: <jurij@wooyd.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: <stable@kernel.org>
Cc: Willy Tarreau <w@1wt.eu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch adds suspend/resume support for the graphics chip in the
Acer Aspire 2010: ATI Technologies Inc RV350 [Mobility Radeon 9600 M10]
01:00.0 0300: 1002:4e50 (prog-if 00 [VGA])
Subsystem: 1025:0061
Flags: bus master, 66MHz, medium devsel, latency 128, IRQ 16
Memory at a8000000 (32-bit, prefetchable) [size=128M]
I/O ports at c100 [size=256]
Memory at e0010000 (32-bit, non-prefetchable) [size=64K]
[virtual] Expansion ROM at a0000000 [disabled] [size=128K]
Capabilities: [58] AGP version 2.0
Capabilities: [50] Power Management version 2
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@mgx.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Benjamin A. Okopnik" <ben@linuxgazette.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- Remove 24/32bit unused support (the chips don't do 24/32bit anyway)
- Clean up printk obfuscation
- Clean up lispitus in the if(())()) stuff
- Minor tidying
No functionality changes, may have a crack at hardware scrolling based
on my X driver once the cleanups are in.
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Antonino A. Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch adds proper prototypes to header files for three console init
functions used on drivers/char/vt.c
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch makes three needlessly global functions static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch fixes a bug where we obtain a smaller resolution than requested.
(eg: in 640x480, only 639x479 usable pixels).
This was due to 1 being substracted from the xres and yres vars two times:
first in mbxfb.c and then in the macros from reg_bits.h.
This patch removes the minus ones from the mbxfb.c file. Tested and works.
Signed-off-by: Raphael Assenat <raph@8d.com>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This is a workaround for what I think is a bug in the 2700G chip.
The PLL output frequency is adustable using 3 values (M, N and P. See code
for formula). The N value range is documented to be 1 to 7 but when it is set
to 1, the output frequency is lower than it should be (divided by 2), giving
unexpected results such as no sync on a CRT display.
This patch prevents N=1 when searching for the best value for the requested
pixclock.
Signed-off-by: Raphael Assenat <raph@8d.com>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- make the following needlessly global function static:
- mach64_ct.c: aty_st_pll_ct()
- proper prototypes for the following functions:
- atyfb_base.c: atyfb_copyarea()
- atyfb_base.c: atyfb_fillrect()
- atyfb_base.c: atyfb_imageblit()
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Check the return value of pci_enable_device().
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Check the return value of pci_enable_device().
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Check the return value of pci_register_driver()
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Check return value of pci_register_driver().
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Check the return value of device_create_file(). If return is 'fail', remove
attributes by calling device_remove_file().
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Check the return value of device_create_file(). If return is 'fail', remove
attributes by calling device_remove_file().
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Check the return value of device_create_file(). If return is 'fail', remove
attributes by calling device_remove_file().
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Remove the cursor timer (cursor flashing) on the following conditions:
- if vc is in KD_GRAPHICS mode, ie, when X owns the console
- if vc is blanked
This misbehavior was exposed by Dave Jones.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Every time the console cursor blinks, we do a kmalloc/kfree pair. This
patch turns that into a single allocation.
This allocation was the most frequent kmalloc I saw on my test box.
[adaplas]
Per Alan's suggestion, move global variables to fbcon's private structure.
This would also avoid resource leaks when fbcon is unloaded.
Signed-off-by: Dave Jones <davej@redhat.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Uses the generic ddc read functionality in fbmon.c instead of the previous
functionality.
Signed-off-by: Dennis Munsie <dmunsie@cecropia.com>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Update driver to use generic DDC reading
[khali@linux-fr.org: fix oops in i2c handling]
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Jurriaan <thunder7@xs4all.nl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Update driver to use generic DDC reading
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Update driver to use generic DDC reading
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Update driver to use generic DDC reading
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Adds functionality to read the EDID information over the DDC bus in a generic
way. This code is based on the DDC implementation in the radeon driver.
[adaplas]
- separate from fbmon.c and place in new file fb_ddc.c
- remove dependency to CONFIG_I2C and CONFIG_I2C_ALGOBIT, otherwise, feature
will not compile if i2c support is compiled as a module
- feature is selectable only by drivers needing it. It must have a
'select FB_DDC if xxx' in Kconfig
- change printk's to dev_*, the i2c people prefers it
Signed-off-by: Dennis Munsie <dmunsie@cecropia.com>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The Kconfig help text doesnt mention that in order to load the vfb module, you
have to pass in the parameter vfb_enable=1
Document required module options in Kconfig for loading the vfb module.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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use (MIN/MAX)_LEVEL and FB_(UN)BLANK instead of the values they are defined to
Signed-off-by: Guido Guenther <agx@sigxcpu.org>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- add cursor enable/disable, very useful if you wish a full screen boot
logo.
Cursor can be disabled from kernel command line:
video=au1100fb:nocursor,panel:Toppoly_TD035STED4
or from sysfs interface:
echo 1 > /sys/module/au1100fb/parameters/nocursor
- fix up some wrong indentation issues.
Signed-off-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Git rid of the runtime warning about pcmcia not supporting exclusive IRQs,
so "the driver needs updating".
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Allow ide/pci/generic to claim chipsets as a a module or when built-in. It
requires using "all_generic_ide" as a boot option.
Signed-off-by: Patrick Jefferson <henj@hp.com>
Acked-by: Alan Cox <alan@redhat.com>
Closes-Bug: 7017
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Michal Miroslaw reported a problem (bugzilla #7023) where a user initiated
reset while the IDE layer was already resetting the channel caused a crash,
and provided a rough fix.
This is a slightly cleaner version of the fix which tracks the reset state
and blocks further reset requests while a reset is in progress.
Note this is not a security issue - random end users can't access the
ioctl in question anyway.
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Remove some code which is unneeded if CONFIG_PM=n.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Few cards informations submitted by OpenZaurus users.
Seagate 8GB microdrive:
product info: "SEAGATE", "ST1"
manfid 0x0111, 0x0000
One CF card:
product info: "SAMSUNG", "04/05/06", "", ""
manfid : 0x0000, 0x0000
Ridata 8GB Pro 150X Compact Flash Card:
product info: "SMI VENDOR", "SMI PRODUCT", ""
manfid: 0x000a, 0x0000
product info: "M-Systems", "CF500", ""
manfid: 0x000a, 0x0000
product info: "TRANSCEND", "TS4GCF120", ""
manfid: 0x000a, 0x0000
Alan sayeth: "Same update needs to go into drivers/ata/pata_pcmcia"
Signed-off-by: Marcin Juszkiewicz <openembedded@hrw.one.pl>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add a step to the IDE PM state machine that reprograms disk PIO timings
as the first step on resume. This prevents ide deadlock on
resume-from-ram on my nforce3-based laptop.
An earlier implementation was written entirely within the amd74xx ide
driver, but Alan helpfully pointed out that this is the correct thing to
do globally. Still, I'm only calling hwif->tuneproc() for disks, based
on two things:
- The existing state machine is already passed over for non-disk drives
- Previous testing on my laptop shows that the hangs are related only
to the disk - suspend/resume from a livecd showed that there's no
need for this on the cdrom.
Signed-off-by: Jason Lunz <lunz@falooley.org>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Brad Campbell <brad@wasp.net.au>
Cc: David Brownell <david-b@pacbell.net>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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