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MTD_OF_PARTS and the default setting is not working due to using 'Y'
instead of 'y', introduced in commit
d6137badeff1ef64b4e0092ec249ebdeaeb3ff37. This made our board, and
possibly other boards using DTS defined partitions and not having
CONFIG_MTD_OF_PARTS=y defined in the defconfig, fail to mount root.
Signed-off-by: Frank Svendsboe <frank.svendsboe@gmail.com>
Cc: stable@kernel.org [3.2+]
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Currently, we terminate the eeprom access through clearing the CS by:
RTL_W8 (Cfg9346, ~EE_CS); or writeb (~EE_CS, ee_addr);
This would left the eeprom into "Config. Register Write Enable:"
state which is not expcted as the highest two bits were set to
0x11 ( expected is the "Normal" mode (0x00)). Solving this by write
0x0 instead of ~EE_CS when terminating the eeprom access.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, we enable the receiver before setting the ring address which could
lead the card DMA into unexpected areas. Solving this by set the ring address
before enabling the receiver.
btw. I find and test this in qemu as I didn't have a 8139cp card in hand. please
review it carefully.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull vfs changes from Al Viro.
"A lot of misc stuff. The obvious groups:
* Miklos' atomic_open series; kills the damn abuse of
->d_revalidate() by NFS, which was the major stumbling block for
all work in that area.
* ripping security_file_mmap() and dealing with deadlocks in the
area; sanitizing the neighborhood of vm_mmap()/vm_munmap() in
general.
* ->encode_fh() switched to saner API; insane fake dentry in
mm/cleancache.c gone.
* assorted annotations in fs (endianness, __user)
* parts of Artem's ->s_dirty work (jff2 and reiserfs parts)
* ->update_time() work from Josef.
* other bits and pieces all over the place.
Normally it would've been in two or three pull requests, but
signal.git stuff had eaten a lot of time during this cycle ;-/"
Fix up trivial conflicts in Documentation/filesystems/vfs.txt (the
'truncate_range' inode method was removed by the VM changes, the VFS
update adds an 'update_time()' method), and in fs/btrfs/ulist.[ch] (due
to sparse fix added twice, with other changes nearby).
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (95 commits)
nfs: don't open in ->d_revalidate
vfs: retry last component if opening stale dentry
vfs: nameidata_to_filp(): don't throw away file on error
vfs: nameidata_to_filp(): inline __dentry_open()
vfs: do_dentry_open(): don't put filp
vfs: split __dentry_open()
vfs: do_last() common post lookup
vfs: do_last(): add audit_inode before open
vfs: do_last(): only return EISDIR for O_CREAT
vfs: do_last(): check LOOKUP_DIRECTORY
vfs: do_last(): make ENOENT exit RCU safe
vfs: make follow_link check RCU safe
vfs: do_last(): use inode variable
vfs: do_last(): inline walk_component()
vfs: do_last(): make exit RCU safe
vfs: split do_lookup()
Btrfs: move over to use ->update_time
fs: introduce inode operation ->update_time
reiserfs: get rid of resierfs_sync_super
reiserfs: mark the superblock as dirty a bit later
...
The interface just doesn't work on some machines, and Dell haven't been
able to tell us either which machines those are or what we should be
doing instead. This would be fine, except it results in userspace ending
up confused and general sadness. So let's just rip it out for now.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
6 bytes seems to be a reasonable default so far, but for the desperate
it's worth exposing this.
[airlied: change include to module.h for this]
Bugzilla: https://bugzilla.redhat.com/582559
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
radeon_cs_parser_init is called by both the legacy UMS
CS ioctl and the KMS CS ioctl. Protect KMS specific
pieces of the code by checking that rdev is not NULL.
Reported-by: Michael Burian <michael.burian@sbg.at>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This imbalance may cause hangs when TTM is trying to swap out a buffer
that is already on the delayed delete list.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Tiling group size is always 256bits on r6xx/r7xx/r8xx/9xx. Also fix and
simplify render backend map. This now properly sets up the backend map
on r6xx-9xx which should improve 3D performance.
Vadim benchmarked also:
Some benchmarks on juniper (5750), fullscreen 1920x1080,
first result - kernel 3.4.0+ (fb21affa), second - with these patches:
Lightsmark: 91 fps => 123 fps +35%
Doom3: 74 fps => 101 fps +36%
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
I managed to screw up the various backlight changes and ended up memsetting
the props structure after it had already been populated. This should fix it.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Need to program an additional VM register. This doesn't not currently
cause any problems, but allows us to program the proper backend
map in a subsequent patch which should improve performance on these
asics.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
While there are cards with more than 8 mem banks, the max
number of banks from a tiling perspective is 8, so cap
the tiling config at 8 banks.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=43448
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
It appears grub2 can pass framebuffer info via efifb, so
we need to kick it off earlier to reserve the vram allocation.
(just a fixup same as for cirrus)
Signed-off-by: Dave Airlie <airlied@redhat.com>
It appears that grub2 will pass framebuffer info via EFI,
this causes the vram reserve to fail, so kick out efifb
earlier before cirrus loads.
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=826983
Signed-off-by: Dave Airlie <airlied@redhat.com>
Merge misc patches from Andrew Morton:
- the "misc" tree - stuff from all over the map
- checkpatch updates
- fatfs
- kmod changes
- procfs
- cpumask
- UML
- kexec
- mqueue
- rapidio
- pidns
- some checkpoint-restore feature work. Reluctantly. Most of it
delayed a release. I'm still rather worried that we don't have a
clear roadmap to completion for this work.
* emailed from Andrew Morton <akpm@linux-foundation.org>: (78 patches)
kconfig: update compression algorithm info
c/r: prctl: add ability to set new mm_struct::exe_file
c/r: prctl: extend PR_SET_MM to set up more mm_struct entries
c/r: procfs: add arg_start/end, env_start/end and exit_code members to /proc/$pid/stat
syscalls, x86: add __NR_kcmp syscall
fs, proc: introduce /proc/<pid>/task/<tid>/children entry
sysctl: make kernel.ns_last_pid control dependent on CHECKPOINT_RESTORE
aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()
eventfd: change int to __u64 in eventfd_signal()
fs/nls: add Apple NLS
pidns: make killed children autoreap
pidns: use task_active_pid_ns in do_notify_parent
rapidio/tsi721: add DMA engine support
rapidio: add DMA engine support for RIO data transfers
ipc/mqueue: add rbtree node caching support
tools/selftests: add mq_perf_tests
ipc/mqueue: strengthen checks on mqueue creation
ipc/mqueue: correct mq_attr_ok test
ipc/mqueue: improve performance of send/recv
selftests: add mq_open_tests
...
Pull drm prime mmap/vmap code from Dave Airlie:
"As mentioned previously these are the extra bits of drm that relied on
the dma-buf pull to work, the first three just stub out the mmap
interface, and the next set provide vmap export to i915/radeon/nouveau
and vmap import to udl."
* 'drm-prime-vmap' of git://people.freedesktop.org/~airlied/linux:
radeon: add radeon prime vmap support.
nouveau: add vmap support to nouveau prime support
udl: support vmapping imported dma-bufs
i915: add dma-buf vmap support for exporting vmapped buffer
radeon: add stub dma-buf mmap functionality
nouveau: add stub dma-buf mmap functionality.
i915: add stub dma-buf mmap callback.
Adds support for DMA Engine API into Tsi721 mport driver.
Includes following changes for Tsi721 driver:
- Modifies BDMA register offset definitions to support per-channel handling
- Separates BDMA channel reserved for RIO Maintenance requests
- Adds DMA Engine callback routines
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Adds DMA Engine framework support into RapidIO subsystem.
Uses DMA Engine DMA_SLAVE interface to generate data transfers to/from
remote RapidIO target devices.
Introduces RapidIO-specific wrapper for prep_slave_sg() interface with an
extra parameter to pass target specific information.
Uses scatterlist to describe local data buffer. Address flat data buffer
on a remote side.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This driver uses PCI_CLASS_REVISION instead of PCI_REVISION_ID, so it
wasn't converted by 44c10138fd4bbc ("PCI: Change all drivers to use
pci_device->revision").
In one case, it even reads PCI revision ID without using it -- that code
is now removed...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@lsi.com>
Cc: Eric Moore <eric.moore@lsi.com>
Acked-by: Auke Kok <auke-jan.h.kok@intel.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch adds a fixed regulator for use by the SMSC911x Ethernet
chip driver into the db8500 Device Tree. It also references other
regulators required by the same device.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Nomadik GPIO controller now relies on Nomadik pinctrl, however
the pinctrl driver is not currently started by any ux500 platform.
This is requred or GPIOs do not work at all.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The "!mlx4_is_slave" is totally confusing. Fix with
constant MLX4_CMD_NATIVE, which is the intended behavior.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The range check was performed after using the port number.
Reverse this to prevent a potential array overflow.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- pass the following parameters:
- firmware version (added QUERY_FW paravirtualization for that)
- disable Blueflame on slaves. KVM disables write combining on guests,
and we get better performance without BF in this case. (This requires
QUERY_DEV_CAP paravirtualization, also in this commit)
- max qp rdma as destination
- get rid of a chunk of "if (0)" dead code
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Port is used as an array index before we know if that is proper.
For example, in the catas event case, port is zero; however,
the port index should lie in the range (1..2).
Fix this by using 'port' only in the events where it is of interest.
Test for port out of range in the default (unhandled event) case,
and do not output a message if it is not an ethernet port.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In SRIOV mode, the number of EQs used when computing the total ICM size
was incorrect.
To fix this, we do the following:
1. We add a new structure to mlx4_dev, mlx4_phys_caps, to contain physical HCA
capabilities. The PPF uses the phys capabilities when it computes things
like ICM size.
The dev_caps structure will then contain the paravirtualized values, making
bookkeeping much easier in SRIOV mode. We add a structure rather than a
single parameter because there will be other fields in the phys_caps.
The first field we add to the mlx4_phys_caps structure is num_phys_eqs.
2. In INIT_HCA, when running in SRIOV mode, the "log_num_eqs" parameter
passed to the FW is the number of EQs per VF/PF; each function (PF or VF)
has this number of EQs available.
However, the total number of EQs which must be allowed for in the ICM is
(1 << log_num_eqs) * (#VFs + #PFs). Rather than compute this quantity,
we allocate ICM space for 1024 EQs (which is the device maximum
number of EQs, and which is the value we place in the mlx4_phys_caps structure).
For INIT_HCA, however, we use the per-function number of EQs as described
above.
Signed-off-by: Marcel Apfelbaum <marcela@dev.mellanox.co.il>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ths fixes the comparison in the FLR (Function Level Reset) event case.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-v3.5' of git://git.infradead.org/battery-2.6
Pull battery updates from Anton Vorontsov:
"A bunch of fixes for v3.5, nothing extraordinary."
* tag 'for-v3.5' of git://git.infradead.org/battery-2.6: (27 commits)
smb347-charger: Include missing <linux/err.h>
smb347-charger: Clean up battery attributes
max17042_battery: Add support for max17047/50 chip
sbs-battery.c: Capacity attr = remaining relative capacity
isp1704_charger: Use after free on probe error
ds2781_battery: Use DS2781_PARAM_EEPROM_SIZE and DS2781_USER_EEPROM_SIZE
power_supply: Fix a typo in BATTERY_DS2781 Kconfig entry
charger-manager: Provide cm_notify_event function for in-kernel use
charger-manager: Poll battery health in normal state
smb347-charger: Convert to regmap API
smb347-charger: Move IRQ enabling to the end of probe
smb347-charger: Rename few functions to match better what they are doing
smb347-charger: Convert to use module_i2c_driver()
smb347_charger: Cleanup power supply registration code in probe
ab8500: Clean up probe routines
ab8500_fg: Harden platform data check
ab8500_btemp: Harden platform data check
ab8500_charger: Harden platform data check
MAINTAINERS: Fix 'F' entry for the power supply class
max17042_battery: Handle irq request failure case
...
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull final round of SCSI updates from James Bottomley:
"This is primarily another round of driver updates (bnx2fc, qla2xxx,
qla4xxx) including the target mode driver for qla2xxx. We've also got
a couple of regression fixes (async scanning, broken this merge window
and a fix to a long standing break in the scsi_wait_scan module)."
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (45 commits)
[SCSI] fix scsi_wait_scan
[SCSI] fix async probe regression
[SCSI] be2iscsi: fix dma free size mismatch regression
[SCSI] qla4xxx: Update driver version to 5.02.00-k17
[SCSI] qla4xxx: Capture minidump for ISP82XX on firmware failure
[SCSI] qla4xxx: Add change_queue_depth API support
[SCSI] qla4xxx: Fix clear ddb mbx command failure issue.
[SCSI] qla4xxx: Fix kernel panic during discovery logout.
[SCSI] qla4xxx: Correct early completion of pending mbox.
[SCSI] fcoe, bnx2fc, libfcoe: SW FCoE and bnx2fc use FCoE Syfs
[SCSI] libfcoe: Add fcoe_sysfs
[SCSI] bnx2fc: Allocate fcoe_ctlr with bnx2fc_interface, not as a member
[SCSI] fcoe: Allocate fcoe_ctlr with fcoe_interface, not as a member
[SCSI] Fix dm-multipath starvation when scsi host is busy
[SCSI] ufs: fix potential NULL pointer dereferencing error in ufshcd_prove.
[SCSI] qla2xxx: don't free pool that wasn't allocated
[SCSI] mptfusion: unlock on error in mpt_config()
[SCSI] tcm_qla2xxx: Add >= 24xx series fabric module for target-core
[SCSI] qla2xxx: Add LLD target-mode infrastructure for >= 24xx series
[SCSI] Revert "qla2xxx: During loopdown perform Diagnostic loopback."
...
Pull follow-up block updates from Jens Axboe:
"Includes the fix from Eric to resolve the infinite loop in looking up
or creating an IO context for an exiting task.
Also a bunch of mtip32xx patches. Fairly trivial stuff. It's fairly
new though, but no point in keeping it out of the tree until 3.6 imho.
I've thrown it through basic testing locally as well, works fine. The
one contentious part is the patch that Greg complained about (sysfs
file with multiple values, should be a debugfs file), which is
perfectly valid, but not a regression from what the file contains now.
That will be fixed up separately."
* 'for-linus' of git://git.kernel.dk/linux-block:
block: avoid infinite loop in get_task_io_context()
mtip32xx: Changes to sysfs entries
mtip32xx: Convert macro definitions for flag bits to enum
mtip32xx: minor performance tweak
mtip32xx: Fix to support more than one sector in exec_drive_command()
mtip32xx: Use plain spinlock for 'cmd_issue_lock'
mtip32xx: Set block queue boundary variables
mtip32xx: Fix to handle TFE for PIO(IOCTL/internal) commands
mtip32xx: Change HDIO_GET_IDENTITY to return stored data
mtip32xx: Set custom timeouts for PIO commands
mtip32xx: fix clearing an incorrect register in mtip_init_port
tty_lock_pair() do the right thing to avoid deadlocks, but should
instruct LOCKDEP of this to avoid a splat.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add Dell Vostro 3450 quirk to support touchpad LED.
CC: Mariusz Fik <fisiu@opensuse.org>
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acer Extensa 5235, TravelMate 5760 and Aspire 5750 laptop have broken _BCM
implemenation, the AML code wrote value to EC register but firmware didn't
change brighenss.
Fortunately, the brightness control works on those machines with vendor mode.
So, add this machine to video backlight vendor mode quirk table.
Reference: bko#36322
https://bugzilla.kernel.org/show_bug.cgi?id=36322
Reference: bko#42833
https://bugzilla.kernel.org/show_bug.cgi?id=42833
Reference: bko#42993
https://bugzilla.kernel.org/show_bug.cgi?id=42993
Cc: Christopher M. Penalver <christopher.penalver@gmx.com>
Cc: Bence Lukacs <lukacs.bence1@gmail.com>
Cc: Joern Heissler <kernelbugs2012@joern.heissler.de>
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This setting is stored in the EC and available across reboots.
[malattia@linux.it: group function specific variables in a struct, use
kstrtoul]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Also make the initialization function return a value for consistency
with all the other setup functions.
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Add support for handle 0x0143 (Vaio SA/SB/SC, CA/CB) and rework the code
to be hable to support different handles for the keyboard backlight
function.
[malattia@linux.it: group function specific variables in a struct]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
A few models offer the chance to set whether to resume from S3 and/or S4
when opening the lid.
[malattia@linux.it: create three sysfs files for S3/4/5 rather than
using a single one accepting a bitmask. Support S5 since the DSDT
exports it. Use a struct to hold all the related values, caching of the
current status value rather than re-reading all the time in the sysfs
show function.]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
All handles must be greater than 0, also return more meaningful error
codes on invalid conditions.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
[malattia@linux.it: support string based profiles names]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Allows limiting the maximum battery charge level to a selectable value
(100%, 80% and 50%).
[malattia@linux.it: group function specific variables in a struct, use
kstrtoul. Allow 0 to 100 values into sysfs files rounding to the actual
limit.]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Loop through the list of SNC handles and run the proper initialization
function for each of the known handles. Also return void in function
where we are not checking the return value anyway.
For notifications we also know which handle is linked to the event and
the code becomes simpler to read with a switch rather than using
convoluted ifs.
[malattia@linux.it: Code reworked to merge the initialization code
improvements and the notify callback changes. Modified the code paths to
allow easier error exit paths. Also fixed some missing break statements
and spelling mistakes.]
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This avoids surprises like echoing "enable" into a sysfs file and
finding that the feature was actually disabled.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
All calls into the SNC device methods have zero or one arguments and
return an integer or a buffer (some functions go as far as returning an
integer _or_ a buffer depending on the input parameter...).
This allows simplifying a couple of code paths and prepares the field
for other users of functions returning buffers.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The goto target location would still try to free a buffer that was
never allocated.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
The SNC device on recent Vaio laptops also stores the soft status and
leaves it available after reboot. Use it and always set the last soft
and hard status on module load.
[malattia@linux.it: patch taken from a largely modified sony-laptop.c,
smaller modifications to the original code to simplify it]
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
