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The ATA_ENABLE_PATA define was never meant to be permanent, and in
recent kernels, it's already been unconditionally enabled. Remove.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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IORDY and IORDY enable/disable flags.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch is against the libata core and headers.
Two IRQ calls are added in ata_port_operations.
- irq_on() is used to enable interrupts.
- irq_ack() is used to acknowledge a device interrupt.
In most drivers, ata_irq_on() and ata_irq_ack() are used for
irq_on and irq_ack respectively.
In some drivers (ex: ahci, sata_sil24) which cannot use them
as is, ata_dummy_irq_on() and ata_dummy_irq_ack() are used.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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In file included from drivers/infiniband/hw/ipath/ipath_diag.c:44:
include/linux/io.h:35: warning: 'struct device' declared inside parameter list
include/linux/io.h:35: warning: its scope is only this definition or declaration
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Convert libata core layer and LLDs to use iomap.
* managed iomap is used. Pointer to pcim_iomap_table() is cached at
host->iomap and used through out LLDs. This basically replaces
host->mmio_base.
* if possible, pcim_iomap_regions() is used
Most iomap operation conversions are taken from Jeff Garzik
<jgarzik@pobox.com>'s iomap branch.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Implement pcim_iomap_regions(). This function takes mask of BARs to
request and iomap. No BAR should have length of zero. BARs are
iomapped using pcim_iomap_table().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Now that all LLDs are converted to use devres, default stop callbacks
are unused. Remove them.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Update libata core layer to use devres.
* ata_device_add() acquires all resources in managed mode.
* ata_host is allocated as devres associated with ata_host_release.
* Port attached status is handled as devres associated with
ata_host_attach_release().
* Initialization failure and host removal is handedl by releasing
devres group.
* Except for ata_scsi_release() removal, LLD interface remains the
same. Some functions use hacky is_managed test to support both
managed and unmanaged devices. These will go away once all LLDs are
updated to use devres.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Implement ata_host_detach() which calls ata_port_detach() for each
port in the host and export it. ata_port_detach() is now internal and
thus un-exported. ata_host_detach() will be used as the 'deregister
from libata layer' function after devres conversion.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Implement device resource management, in short, devres. A device
driver can allocate arbirary size of devres data which is associated
with a release function. On driver detach, release function is
invoked on the devres data, then, devres data is freed.
devreses are typed by associated release functions. Some devreses are
better represented by single instance of the type while others need
multiple instances sharing the same release function. Both usages are
supported.
devreses can be grouped using devres group such that a device driver
can easily release acquired resources halfway through initialization
or selectively release resources (e.g. resources for port 1 out of 4
ports).
This patch adds devres core including documentation and the following
managed interfaces.
* alloc/free : devm_kzalloc(), devm_kzfree()
* IO region : devm_request_region(), devm_release_region()
* IRQ : devm_request_irq(), devm_free_irq()
* DMA : dmam_alloc_coherent(), dmam_free_coherent(),
dmam_declare_coherent_memory(), dmam_pool_create(),
dmam_pool_destroy()
* PCI : pcim_enable_device(), pcim_pin_device(), pci_is_managed()
* iomap : devm_ioport_map(), devm_ioport_unmap(), devm_ioremap(),
devm_ioremap_nocache(), devm_iounmap(), pcim_iomap_table(),
pcim_iomap(), pcim_iounmap()
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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libata used two separate sets of variables to record request size and
current offset for ATA and ATAPI. This is confusing and fragile.
This patch replaces qc->nsect/cursect with qc->nbytes/curbytes and
kills them. Also, ata_pio_sector() is updated to use bytes for
qc->cursg_ofs instead of sectors. The field used to be used in bytes
for ATAPI and in sectors for ATA.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Handle pci_enable_device() failure while resuming. This patch kills
the "ignoring return value of 'pci_enable_device'" warning message and
propagates __must_check through ata_pci_device_do_resume().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* Kill _OFS suffixes in ATA_ID_{SERNO|FW_REV|PROD}_OFS for consistency
with other ATA_ID_* constants.
* Kill ATA_SERNO_LEN
* Add and use ATA_ID_SERNO_LEN, ATA_ID_FW_REV_LEN and ATA_ID_PROD_LEN.
This change also makes ata_device_blacklisted() use proper length
for fwrev.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Conke Hu <conke.hu@amd.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Updated diff which doesn't move the comment as per Jeff's request and
corrects the docs as per report on l/k
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Most of these contributed by that mysterious figger known as A.C.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add a driver for the IT8213 which is a single channel ICH-ish PATA
controller. As it is very different to the IT8211/2 it gets its own
driver. There is a legacy drivers/ide driver also available and I'll post
that once I get time to test it all out (probably early January). If
anyone else needs the drivers/ide driver and wants to do the merge for
drivers/ide (Bart ??) then I'll forward it.
[akpm@osdl.org: add PCI ID, constify needed_pio[]]
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Remove include of asm/system.h, not needed.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
ieee1394: fix host device registering when nodemgr disabled
ieee1394: video1394: DMA fix
ieee1394: raw1394: prevent unloading of low-level driver
ieee1394: dv1394: tidy up card removal
ieee1394: dv1394: fix CardBus card ejection
ieee1394: sbp2: lower block queue alignment requirement
ieee1394: sbp2: remove bogus "emulated" host flag
ieee1394: save one word in struct hpsb_host
ieee1394: restore config ROM when resuming
ieee1394: ohci1394: drop pcmcia-cs compatibility code
ieee1394: nodemgr: check info_length in ROM header earlier
the scheduled IEEE1394_OUI_DB removal
the scheduled IEEE1394_EXPORT_FULL_API removal
ieee1394: sbp2: use a better wildcard for blacklist
Add PCI class ID for firewire OHCI controllers.
ieee1394: modified csr1212_key_id_type_map to support lisight
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-apm:
[APM] SH: Convert to use shared APM emulation.
[APM] MIPS: Convert to use shared APM emulation.
[APM] ARM: Convert to use shared APM emulation.
[APM] Add shared version of APM emulation
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This patch uses install_special_mapping for the ia32 vDSO setup, consolidating
duplicated code.
Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch adds a utility function install_special_mapping, for creating a
special vma using a fixed set of preallocated pages as backing, such as for a
vDSO. This consolidates some nearly identical code used for vDSO mapping
reimplemented for different architectures.
Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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md/bitmap tracks how many active write requests are pending on blocks
associated with each bit in the bitmap, so that it knows when it can clear
the bit (when count hits zero).
The counter has 14 bits of space, so if there are ever more than 16383, we
cannot cope.
Currently the code just calles BUG_ON as "all" drivers have request queue
limits much smaller than this.
However is seems that some don't. Apparently some multipath configurations
can allow more than 16383 concurrent write requests.
So, in this unlikely situation, instead of calling BUG_ON we now wait
for the count to drop down a bit. This requires a new wait_queue_head,
some waiting code, and a wakeup call.
Tested by limiting the counter to 20 instead of 16383 (writes go a lot slower
in that case...).
Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If you lose this race, it can iput a socket inode twice and you get a BUG
in fs/inode.c
When I added the option for user-space to close a socket, I added some
cruft to svc_delete_socket so that I could call that function when closing
a socket per user-space request.
This was the wrong thing to do. I should have just set SK_CLOSE and let
normal mechanisms do the work.
Not only wrong, but buggy. The locking is all wrong and it openned up a
race where-by a socket could be closed twice.
So this patch:
Introduces svc_close_socket which sets SK_CLOSE then either leave
the close up to a thread, or calls svc_delete_socket if it can
get SK_BUSY.
Adds a bias to sk_busy which is removed when SK_DEAD is set,
This avoid races around shutting down the socket.
Changes several 'spin_lock' to 'spin_lock_bh' where the _bh
was missing.
Bugzilla-url: http://bugzilla.kernel.org/show_bug.cgi?id=7916
Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is a fix of regression, which triggered by ~2.6.16.
Patch with name ufs-directory-and-page-cache-from-blocks-to-pages.patch: in
additional to conversation from block to page cache mechanism added new
checks of directory integrity, one of them that directory entry do not
across directory chunks.
But some kinds of UFS: OpenStep UFS and Apple UFS (looks like these are the
same filesystems) have different directory chunk size, then common
UFSes(BSD and Solaris UFS).
So this patch adds ability to works with variable size of directory chunks,
and set it for ufstype=openstep to right size.
Tested on darwin ufs.
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-tc:
[EISA] EISA registration with !CONFIG_EISA
[TC] pmagb-b-fb: Convert to the driver model
[TC] dec_esp: Driver model for the PMAZ-A
[TC] mips: pmag-ba-fb: Convert to the driver model
[TC] defxx: TURBOchannel support
[TC] TURBOchannel support for the DECstation
[TC] MIPS: TURBOchannel resources off-by-one fix
[TC] MIPS: TURBOchannel update to the driver model
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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On all targets that sucker boils down to memcpy_fromio(sbk->data, from, len).
The function name is highly misguiding (it _never_ does any checksums), the
last argument is just a noise and simply expanding the call to memcpy_fromio()
gives shorter and more readable source. For a lot of reasons it has almost
no remaining users, so it's better to just outright kill it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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... operations with it are OK as is, but flags & ~0 will have no idea that
this ~0 is meant to be ~gfp_t.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Also convert to use generic kernel/power/Kconfig to make the use of the
shared APM emulation possible.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Currently ARM and MIPS both have nearly identical copies of the APM
emulation code in their arch code. Add yet another copy of it to
drivers char and make it selectable through SYS_SUPPORTS_APM_EMULATION.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (212 commits)
[PATCH] Fix breakage with CONFIG_SYSFS_DEPRECATED
[ALSA] version 1.0.14rc2
[ALSA] ASoC documentation updates
[ALSA] ca0106 - Add missing sysfs device assignment
[ALSA] aoa i2sbus: Stop Apple i2s DMA gracefully
[ALSA] hda-codec - Add support for Fujitsu PI1556 Realtek ALC880
[ALSA] aoa: remove suspend/resume printks
[ALSA] Fix possible deadlocks in sequencer at removal of ports
[ALSA] emu10k1 - Fix STAC9758 front channel
[ALSA] soc - Clean up with kmemdup()
[ALSA] snd-ak4114: Fix two array overflows
[ALSA] ac97_bus power management
[ALSA] usbaudio - Add support for Edirol UA-101
[ALSA] hda-codec - Add ALC861VD/ALC660VD support
[ALSA] soc - ASoC 0.13 Sharp poodle machine
[ALSA] soc - ASoC 0.13 Sharp tosa machine
[ALSA] soc - ASoC 0.13 spitz machine
[ALSA] soc - ASoC Sharp corgi machine
[ALSA] soc - ASoC 0.13 pxa2xx DMA
[ALSA] soc - ASoC 0.13 pxa2xx AC97 driver
...
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This is a change for the EISA bus support to permit drivers to call
un/registration functions even if EISA support has not been enabled. This is
similar to what PCI (and now TC) does and reduces the need for #ifdef clutter.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This is the platform-specific part of TURBOchannel bus support for the
DECstation. It implements determining whether the bus is actually there,
getting bus parameters, IRQ assignments for devices and protected accesses
to possibly unoccupied slots that may trigger bus error exceptions.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This is a set of changes to convert support for the TURBOchannel bus to the
driver model. It implements the usual set of calls similar to what other bus
drivers have: tc_register_driver(), tc_unregister_driver(), etc. All the
platform-specific bits have been removed and headers from asm-mips/dec/ have
been merged into linux/tc.h, which should be included by drivers.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32:
[AVR32] Add missing #include <linux/module.h>
[AVR32] ssize_t should be long, not int
[AVR32] Remove last remains of libgcc
[AVR32] SPI platform code update
[AVR32] Add PIOE device and reserve SDRAM pins
[AVR32] Introduce at32_reserve_pin()
[AVR32] Don't reset PIO state at bootup
[AVR32] GPIO API implementation
[AVR32] Use ARRAY_SIZE macro when appropriate
[AVR32] Implement dma_mapping_error()
[AVR32] Fix incorrect invalidation of shared cachelines
[AVR32] ext int fixes
[AVR32] fix serial port setup on ATSTK1000
[AVR32] /proc/interrupts display
Remove a couple final references to obsolete verify_area().
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Remove find_trylock_page as per the removal schedule.
Signed-off-by: Nick Piggin <npiggin@suse.de>
[ Let's see if anybody screams ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (79 commits)
[IPX]: Fix NULL pointer dereference on ipx unload
[ATM]: atmarp.h needs to always include linux/types.h
[NET]: Fix net/socket.c warnings.
[NET]: cleanup sock_from_file()
[NET]: change layout of ehash table
[S390]: Add AF_IUCV socket support
[S390]: Adapt special message interface to new IUCV API
[S390]: Adapt netiucv driver to new IUCV API
[S390]: Adapt vmlogrdr driver to new IUCV API
[S390]: Adapt monreader driver to new IUCV API
[S390]: Rewrite of the IUCV base code, part 2
[S390]: Rewrite of the IUCV base code, part 1
[X.25]: Adds /proc/net/x25/forward to view active forwarded calls.
[X.25]: Adds /proc/sys/net/x25/x25_forward to control forwarding.
[X.25]: Add call forwarding
[XFRM]: xfrm_migrate() needs exporting to modules.
[PFKEYV2]: CONFIG_NET_KEY_MIGRATE option
[PFKEYV2]: Extension for dynamic update of endpoint address(es)
[XFRM]: CONFIG_XFRM_MIGRATE option
[XFRM]: User interface for handling XFRM_MSG_MIGRATE
...
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
MAINTAINERS: update DMFE and wireless drivers mailing list
ucc_geth: Add support to local-mac-address property
ucc_geth: Remove obsolete workaround of link speed change
cxgb3: sysfs attributes in -mm tree
Add Attansic L1 ethernet driver.
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The fix for sysfs breakage with CONFIG_SYSFS_DEPRECATED was flown
away by the conflicted merge of the ALSA git tree. The patch below
fixes it again.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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Since size_t is defined as unsigned long, ssize_t ought to be long
and not int. It could have been the other way around, but gcc defines
size_t as unsigned long, so this is correct.
This fixes a couple of printk format warnings.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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The PIOE device was left out before because it muxes SDRAM pins (and
is therefore a bit dangerous to mess with) and because no existing
drivers had any use for it.
It is needed for CompactFlash, however, and now that we have a way
to protect the SDRAM pins, it can be safely added.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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at32_reserve_pin() can be used for reserving portmux pins without
altering their configuration. Useful for e.g. SDRAM pins where we
really don't want to change the bootloader-provided configuration.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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Arch-neutral GPIO calls for AVR32. GPIO IRQ support written by
David Brownell.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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dma_map_single() never fails, so dma_mapping_error() simply returns 0.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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Remove a couple final references to the obsolete verify_area() call,
which was long ago replaced by access_ok().
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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This patch updates the API's to include the new DAI configuration and
clocking architecture.
Changes:-
o Removed DAI automatic matching and capabilities structure (struct
snd_soc_dai_mode) and macros.
o Added DAI operations for codec and CPU interfaces.
o Removed config_sysclk() function and struct snd_soc_clock_info. No
longer needed as clocking is now configured manually in the machine
drivers. Also removed other clocking data from structures.
o Updated version to 0.13
o Added shift to SOC_SINGLE_EXT kcontrol macro.
Signed-off-by: Graeme Gregory <gg@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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