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Only the address needs alignment of mask bits, length should work with
a relaxed alignment check.
Signed-off-by: Jens Axboe <axboe@suse.de>
[ This is take 2: make the length check be for 16-byte alignment, not
just word alignment. That should hopefully keep everybody happy,
while still allowing CD writing with DMA ]
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The change to require the DMA length to be only word-aligned was not
safe.
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inserted a CD in it
From: Marcello Maggioni <hayarms@gmail.com>
Problem: Some drives (NEC 3500, TDK 1616N, Mad-dog MD-16XDVD9, RICOH
MP5163DA, Memorex DVD9 drive and IO-DATA's too for sure), if a
CD/DVD is inserted into the tray when the system is booted and if
before the OS bootup the BIOS checked for the presence of a bootable
CD/DVD into the drive, during the IDE probe phase the drive may
result busy and remain so for the next 25/30 seconds . This cause the
drive to be skipped during the booting phase and not begin usable
until the next reboot (if the reboot goes well and the drive doesn't
timeout again).
Solution: Rising the timeout time from 10 seconds to 35 seconds
(during these 35 seconds every drive should wake up for sure
according to the tests I've done).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl>
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* add ide_bus_match() and export ide_bus_type
* split ide_remove_driver_from_hwgroup() out of ide_unregister()
* move device cleanup from ide_unregister() to drive_release_dev()
* convert ide_driver_t->name to driver->name
* convert ide_driver_t->{attach,cleanup} to driver->{probe,remove}
* remove ide_driver_t->busy as ide_bus_type->subsys.rwsem
protects against concurrent ->{probe,remove} calls
* make ide_{un}register_driver() void as it cannot fail now
* use driver_{un}register() directly, remove ide_{un}register_driver()
* use device_register() instead of ata_attach(), remove ata_attach()
* add proc_print_driver() and ide_drivers_show(), remove ide_drivers_op
* fix ide_replace_subdriver() and move it to ide-proc.c
* remove ide_driver_t->drives, ide_drives and drives_lock
* remove ide_driver_t->drivers, drivers and drivers_lock
* remove ide_drive_t->driver and DRIVER() macro
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl>
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This has been sitting for a while, and is causing lots of grief for
people burning CDs. It relaxes the dma restriction for ide-cd,
requiring only the length to be 32-byte aligned, address should be fine
at normal double word alignment.
Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Kernel 2.6 has an ide proc destroy error. Run #modprobe ide-core and
#rmmod ide-core, then kernel will dump stack information like below.
**********Log******************
Badness in remove_proc_entry at fs/proc/generic.c:693
Call Trace:
[<a0000001000117e0>] show_stack+0x80/0xa0
sp=3De0000003e05dfbe0 =
bsp=3De0000003e05d0ea8
[<a0000001000120b0>] dump_stack+0x30/0x60
sp=3De0000003e05dfdb0 =
bsp=3De0000003e05d0e90
[<a000000100183090>] remove_proc_entry+0x530/0x540
sp=3De0000003e05dfdb0 =
bsp=3De0000003e05d0e20
[<a000000221cbd280>] proc_ide_destroy+0x120/0x140 [ide_core]
sp=3De0000003e05dfdc0 =
bsp=3De0000003e05d0df0
[<a000000221ca65f0>] cleanup_module+0x50/0xa0 [ide_core]
sp=3De0000003e05dfdc0 =
bsp=3De0000003e05d0dd0
[<a0000001000a9e10>] sys_delete_module+0x390/0x580
sp=3De0000003e05dfdc0 =
bsp=3De0000003e05d0d50
[<a00000010000af40>] ia64_ret_from_syscall+0x0/0x20
sp=3De0000003e05dfe30 =
bsp=3De0000003e05d0d50
[<a000000000010640>] _stext+0xffffffff00010640/0x400
sp=3De0000003e05e0000 =
bsp=3De0000003e05d0d50
Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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These three functions are referenced from the __devinitdata
sis5513_chipset.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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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I noticed an occasional crash on wakeup from sleep on my powerbook
(strangly never happened before, probably timing related) that appears to
be due to a dangling interrupt while the chip is put to sleep and beeing
reset on wakeup.
This patch fixes is by disabling the irq in the ide pmac driver while
asleep and only re-enable it after the chip has been fully reset. This is
safe to do so as the interrupt of these apple IDE cells is never shared.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Fix hd section references:
make parse_hd_setup() __init
Error: ./drivers/ide/legacy/hd.o .text refers to 00000943 R_386_PC32
.init.text
Signed-off-by: maximilian attems <janitor@sternwelten.at>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This fixes u32 vs. pm_message_t confusion in remaining places. Fortunately
there's few of them.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch adds the Intel ESB2 DID's to the piix.c file for IDE PATA support.
Signed-off-by: Jason Gaston <Jason.d.gaston@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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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!
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