New SoC, Tegra114 also uses SMMU. Change tegra_ahb_enable_smmu()'s
dependency from ARCH_TEGRA_3x_SOC to TEGRA_IOMMU_SMMU. No need to edit
whenever a new Tegra SoC comes.
The following combination caused build error, which this patch fixes.
CONFIG_ARCH_TEGRA_2x_SOC=y
CONFIG_ARCH_TEGRA_114_SOC=y
drivers/iommu/tegra-smmu.c:485: undefined reference to gra_ahb_enable_smmu'
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Following commit 26ffd0d4 (ARM: mm: introduce present, faulting entries
for PAGE_NONE), if a page has been mapped as PROT_NONE, the L_PTE_VALID
bit is cleared by the set_pte_ext() code. With LPAE the software and
hardware pte share the same location and subsequent modifications of pte
range (change_protection()) will leave the L_PTE_VALID bit cleared.
This patch adds the L_PTE_VALID bit to the newprot mask in pte_modify().
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Subash Patel <subash.rp@samsung.com>
Tested-by: Subash Patel <subash.rp@samsung.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: <stable@vger.kernel.org> # 3.8.x
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
When udelay() is implemented using an architected timer, it is wrong
to scale loops_per_jiffy when changing the CPU clock frequency since
the timer clock remains constant.
The lpj should probably become an implementation detail relevant to
the CPU loop based delay routine only and more confined to it. In the
mean time this is the minimal fix needed to have expected delays with
the timer based implementation when cpufreq is also in use.
Reported-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
If we remount the fs to close the auto defragment or make the fs R/O,
we should stop the auto defragment.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
When running the 083th case of xfstests on the filesystem with
"compress-force=lzo", the following WARNINGs were triggered.
WARNING: at fs/btrfs/inode.c:7908
WARNING: at fs/btrfs/inode.c:7909
WARNING: at fs/btrfs/inode.c:7911
WARNING: at fs/btrfs/extent-tree.c:4510
WARNING: at fs/btrfs/extent-tree.c:4511
This problem was introduced by the patch "Btrfs: fix deadlock due
to unsubmitted". In this patch, there are two bugs which caused
the above problem.
The 1st one is a off-by-one bug, if the DIO write return 0, it is
also a short write, we need release the reserved space for it. But
we didn't do it in that patch. Fix it by change "ret > 0" to
"ret >= 0".
The 2nd one is ->outstanding_extents was increased twice when
a short write happened. As we know, ->outstanding_extents is
a counter to keep track of the number of extent items we may
use duo to delalloc, when we reserve the free space for a
delalloc write, we assume that the write will introduce just
one extent item, so we increase ->outstanding_extents by 1 at
that time. And then we will increase it every time we split the
write, it is done at the beginning of btrfs_get_blocks_direct().
So when a short write happens, we needn't increase
->outstanding_extents again. But this patch done.
In order to fix the 2nd problem, I re-write the logic for
->outstanding_extents operation. We don't increase it at the
beginning of btrfs_get_blocks_direct(), instead, we just
increase it when the split actually happens.
Reported-by: Mitch Harder <mitch.harder@sabayonlinux.org>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Commit 99fc86450c "ALSA: usb-mixer:
parse descriptors with structs" introduced a set of useful parsers
for descriptors. Unfortunately the parses for the Processing Unit
Descriptor came with a very subtle bug...
Functions uac_processing_unit_iProcessing() and
uac_processing_unit_specific() were indexing the baSourceID array
forgetting the fields before the iProcessing and process-specific
descriptors.
The problem was observed with Sound Blaster Extigy mixer,
where nNrModes in Up/Down-mix Processing Unit Descriptor
was accessed at offset 10 of the descriptor (value 0)
instead of offset 15 (value 7). In result the resulting
control had interesting limit values:
Simple mixer control 'Channel Routing Mode Select',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - -1
Mono: -1 [100%]
Fixed by starting from the bmControls, which was calculated
correctly, instead of baSourceID.
Now the mentioned control is fine:
Simple mixer control 'Channel Routing Mode Select',0
Capabilities: volume volume-joined penum
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 6
Mono: 0 [0%]
Signed-off-by: Pawel Moll <mail@pawelmoll.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
After commit a000b8c1 [i2c: ocores: Add support for the GRLIB port of the
controller and use function pointers for getreg and setreg function],
compiling i2c-ocores.c for 64-bit gives the following warning:
drivers/i2c/busses/i2c-ocores.c: In function 'ocores_i2c_of_probe':
drivers/i2c/busses/i2c-ocores.c:334:15: warning: cast from pointer to integer of different size
Fix it by casting the pointer to long.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This patch programs the core and timing generator registers using the
timing data provided in drm_display_mode and not using hard-coded
configurations.
Additional PHY configs has been added. This allows us to support more
permissible resolutions and refresh rates.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Shirish S <s.shirish@samsung.com>
Signed-off-by: Akshay Saraswat <Akshay.s@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
With this patch, mixer driver find the correct resolution mode for
the range of resolutions, upto 1080 vertical lines. Resolution will
be categorized to NTSC SD, PAL SD or HD and the correct mode is
set to the mixer configuration register.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch adds the implementation of check_timing callback in the mixer
driver. Based on the mixer version, correct set of restrictions will be
exposed by the mixer driver. A resolution will be acceptable only if passes
the criteria set by mixer and hdmi IPs.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch adds the display mode check operation to exynos_mixer_ops
in drm-common-hdmi. In Exynos SoCs, mixer IP can put certain restrictions
on the proposed display modes. These restriction needs to be considered
during mode negotiation, which happens immediately after edid parsing.
Both, mixer check-mode and hdmi check-timing callbacks are called one after
another and ANDed result is returned back.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch releases allocated resources properly when
exynos_user_fb_create() is failed.
Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This patch fixes wrong pointer access issue to filp->f_op and
filp->private_data.
The exynos_drm_gem_mmap_ioctl() changes filp->f_op and
filp->private_data temporarily and restore them to use
original ones in exynos_drm_gem_mmap_buffer() but there
was no lock between the changing and the restoring so
wrong pointer access to filp->f_op and filp->private_data
was induced by vm close callback.
So this patch uses mutex lock properly to resolve this issue.
Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Fixes the following checkpatch warning:
WARNING: sizeof *sgt should be sizeof(*sgt)
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
GETFB ioctl request creates a new handle to only one gem object
so it should check if the given fb has one gem object.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This patch modifies iommu address allocation order from 64k
to 4k. 64k order causes waste of the io space and this was
our mistakes.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Pull networking update from David Miller:
1) Checkpoint/restarted TCP sockets now can properly propagate the TCP
timestamp offset. From Andrey Vagin.
2) VMWARE VM VSOCK layer, from Andy King.
3) Much improved support for virtual functions and SR-IOV in bnx2x,
from Ariel ELior.
4) All protocols on ipv4 and ipv6 are now network namespace aware, and
all the compatability checks for initial-namespace-only protocols is
removed. Thanks to Tom Parkin for helping deal with the last major
holdout, L2TP.
5) IPV6 support in netpoll and network namespace support in pktgen,
from Cong Wang.
6) Multiple Registration Protocol (MRP) and Multiple VLAN Registration
Protocol (MVRP) support, from David Ward.
7) Compute packet lengths more accurately in the packet scheduler, from
Eric Dumazet.
8) Use per-task page fragment allocator in skb_append_datato_frags(),
also from Eric Dumazet.
9) Add support for connection tracking labels in netfilter, from
Florian Westphal.
10) Fix default multicast group joining on ipv6, and add anti-spoofing
checks to 6to4 and 6rd. From Hannes Frederic Sowa.
11) Make ipv4/ipv6 fragmentation memory limits more reasonable in modern
times, rearrange inet frag datastructures for better cacheline
locality, and move more operations outside of locking. From Jesper
Dangaard Brouer.
12) Instead of strict master <--> slave relationships, allow arbitrary
scenerios with "upper device lists". From Jiri Pirko.
13) Improve rate limiting accuracy in TBF and act_police, also from Jiri
Pirko.
14) Add a BPF filter netfilter match target, from Willem de Bruijn.
15) Orphan and delete a bunch of pre-historic networking drivers from
Paul Gortmaker.
16) Add TSO support for GRE tunnels, from Pravin B SHelar. Although
this still needs some minor bug fixing before it's %100 correct in
all cases.
17) Handle unresolved IPSEC states like ARP, with a resolution packet
queue. From Steffen Klassert.
18) Remove TCP Appropriate Byte Count support (ABC), from Stephen
Hemminger. This was long overdue.
19) Support SO_REUSEPORT, from Tom Herbert.
20) Allow locking a socket BPF filter, so that it cannot change after a
process drops capabilities.
21) Add VLAN filtering to bridge, from Vlad Yasevich.
22) Bring ipv6 on-par with ipv4 and do not cache neighbour entries in
the ipv6 routes, from YOSHIFUJI Hideaki.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1538 commits)
ipv6: fix race condition regarding dst->expires and dst->from.
net: fix a wrong assignment in skb_split()
ip_gre: remove an extra dst_release()
ppp: set qdisc_tx_busylock to avoid LOCKDEP splat
atl1c: restore buffer state
net: fix a build failure when !CONFIG_PROC_FS
net: ipv4: fix waring -Wunused-variable
net: proc: fix build failed when procfs is not configured
Revert "xen: netback: remove redundant xenvif_put"
net: move procfs code to net/core/net-procfs.c
qmi_wwan, cdc-ether: add ADU960S
bonding: set sysfs device_type to 'bond'
bonding: fix bond_release_all inconsistencies
b44: use netdev_alloc_skb_ip_align()
xen: netback: remove redundant xenvif_put
net: fec: Do a sanity check on the gpio number
ip_gre: propogate target device GSO capability to the tunnel device
ip_gre: allow CSUM capable devices to handle packets
bonding: Fix initialize after use for 3ad machine state spinlock
bonding: Fix race condition between bond_enslave() and bond_3ad_update_lacp_rate()
...
This comes from one of btrfs's project ideas,
As we defragment files, we break any sharing from other snapshots.
The balancing code will preserve the sharing, and defrag needs to grow this
as well.
Now we're able to fill the blank with this patch, in which we make full use of
backref walking stuff.
Here is the basic idea,
o set the writeback ranges started by defragment with flag EXTENT_DEFRAG
o at endio, after we finish updating fs tree, we use backref walking to find
all parents of the ranges and re-link them with the new COWed file layout by
adding corresponding backrefs.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Pull sparc updates from David Miller:
"Mostly more sparc64 THP bug fixes, and a refactoring of SMP bootup on
sparc32 from Sam Ravnborg."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc32: refactor smp boot
sparc64: Fix huge PMD to PTE translation for sun4u in TLB miss handler.
sparc64: Fix tsb_grow() in atomic context.
sparc64: Handle hugepage TSB being NULL.
sparc64: Fix gfp_flags setting in tsb_grow().
interface).
- Simple earlyprintk support.
- Platform devices populated by default from the DT (SoC-agnostic).
- CONTEXTIDR support (used by external trace tools).
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Merge tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull arm64 patches from Catalin Marinas:
- SMP support for the PSCI booting protocol (power state coordination
interface).
- Simple earlyprintk support.
- Platform devices populated by default from the DT (SoC-agnostic).
- CONTEXTIDR support (used by external trace tools).
* tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
arm64: mm: update CONTEXTIDR register to contain PID of current process
arm64: atomics: fix grossly inconsistent asm constraints for exclusives
arm64: compat: use compat_uptr_t type for compat_ucontext.uc_link
arm64: Select ARCH_WANT_FRAME_POINTERS
arm64: Add kvm_para.h and xor.h generic headers
arm64: SMP: enable PSCI boot method
arm64: psci: add support for PSCI invocations from the kernel
arm64: SMP: rework the SMP code to be enabling method agnostic
arm64: perf: add guest vs host discrimination
arm64: add COMPAT_PSR_*_BIT flags
arm64: Add simple earlyprintk support
arm64: Populate the platform devices
Pull ARM updates (part two) from Russell King:
- breakpoint and perf updates from Will Deacon.
- hypervisor boot mode updates from Will.
- support for Power State Coordination Interface via the Hypervisor
- core ARM support for KVM
* 'for-linus-2' of git://git.linaro.org/people/rmk/linux-arm: (32 commits)
KVM: ARM: Add maintainer entry for KVM/ARM
KVM: ARM: Power State Coordination Interface implementation
KVM: ARM: Handle I/O aborts
KVM: ARM: Handle guest faults in KVM
KVM: ARM: VFP userspace interface
KVM: ARM: Demux CCSIDR in the userspace API
KVM: ARM: User space API for getting/setting co-proc registers
KVM: ARM: Emulation framework and CP15 emulation
KVM: ARM: World-switch implementation
KVM: ARM: Inject IRQs and FIQs from userspace
KVM: ARM: Memory virtualization setup
KVM: ARM: Hypervisor initialization
KVM: ARM: Initial skeleton to compile KVM support
ARM: Section based HYP idmap
ARM: Add page table and page defines needed by KVM
ARM: perf: simplify __hw_perf_event_init err handling
ARM: perf: remove unnecessary checks for idx < 0
ARM: perf: handle armpmu_register failing
ARM: perf: don't pretend to support counting of L1I writes
ARM: perf: remove redundant NULL check on cpu_pmu
...
Pull ARM updates (part one) from Russell King:
- MMC patches from Ulf Hansson and Pawel Moll. These add support for
DDR mode and the latest variant found on ARM Versatile Express, as
well as a number of cleanups.
- A fix for to improve the behaviour of ARMs sched_clock()
- Changes to the ARM ioremap() code. I'm not convinced with the
primary arguments for this, but it's been around for a while, and
people seem happy with it - and the "other" justification for this is
at
http://lkml.org/lkml/2012/12/6/184
- Add SCHED_HRTICK to ARMs Kconfig
- Making the ARM SHA/AES code Thumb-2 compatible
- A collection of other small updates.
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (26 commits)
ARM: add SCHED_HRTICK config option
ARM: 7650/1: mm: replace direct access to mm->context.id with new macro
ARM: 7649/1: mm: mm->context.id fix for big-endian
ARM: 7648/1: pci: Allow passing per-controller private data
ARM: 7647/1: pci: Keep pci_common_init() around after init
ARM: fix warnings introduced by previous patch
ARM: 7646/1: mm: use static_vm for managing static mapped areas
ARM: 7645/1: ioremap: introduce an infrastructure for static mapped area
ARM: 7644/1: vmregion: remove vmregion code entirely
MAINTAINERS: Re-assert MMCI driver maintainer status
MAINTAINERS: add additional file for MMCI driver
MAINTAINERS: add maintainer entry for AMBA serial drivers
ARM: 7637/1: memory: use SZ_ constants for defining the virtual memory layout
ARM: 7643/1: sched: correct update_sched_clock()
ARM: 7635/1: versatile: fix the PCI IRQ regression
ARM: 7639/1: cache-l2x0: add missed dummy outer_resume entry
ARM: 7630/1: mmc: mmci: Fixup and cleanup code for DMA handling
ARM: 7632/1: spinlock: avoid exclusive accesses on unlock() path
ARM: 7631/1: mmc: mmci: Add new VE MMCI variant
ARM: 7623/1: mmc: mmci: Fixup clock gating when freq is 0 for ST-variants
...
Fix a smatch warning caused by an useless pointer check.
The context parameter (aka. ata_dev) will never be NULL until we remove
the acpi notification handler, so it is pointless to check it for NULL.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
When the user application sends a ATA_12 or ATA_16 PASSTHROUGH
scsi command, put the task file register in the sense data with the
proper Sense Key. Instead of NO SENSE, set RECOVERED, as
specified in [SAT2]12.2.5 Table 92.
Tested:
Using udev ata_id to generate a passthrough command, IDENTIFY:
before:
sd 0:0:0:0: [sda] CDB: ATA command pass through(12)/Blank: \
a1 08 2e 00 01 00 00 00 00 ec 00 00
sd 0:0:0:0: [sda] Sense Key : No Sense [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
72 00 00 00 00 00 00 0e 09 0c 00 00 00 00 00 3f
00 18 00 a6 e0 50
after
sd 0:0:0:0: [sda] CDB: ATA command pass through(12)/Blank: \
a1 08 2e 00 01 00 00 00 00 ec 00 00
sd 0:0:0:0: [sda] Sense Key : Recovered Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
72 01 00 1d 00 00 00 0e 09 0c 00 00 00 01 00 00
00 00 00 00 00 50
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: linux-ide@vger.kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This patch adds the AHCI-mode SATA Device IDs for the Intel Wellsburg PCH
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
We try to limit the size of a chunk to 10GB, which keeps the unit of
work reasonable during balance and resize operations. The limit checks
were taking into account the number of copies of the data we had but
what they really should be doing is comparing against the logical
size of the chunk we're creating.
This moves the code around a little to use the count of data stripes
from raid5/6.
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This patch adds the IDE-mode SATA Device IDs for the Intel Wellsburg PCH
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Utilize the existing compat_sys_sendfile function for 64bit kernel and add
wrappers for sendfile and sendfile64 to correctly handle the 32/64 bit sign
extension.
Signed-off-by: Helge Deller <deller@gmx.de>
fallocate(off_t) gets redirected by glibc to fallocate64(loff_t)
where the 64bit loff_t values get splitted into two 32bit (hi/lo)
values. This patch fixes this syscall for the 32- and 64bit kernel.
Signed-off-by: Helge Deller <deller@gmx.de>
Switch over to use the existing compat_* implementation for msgrcv() and
msgsnd(). Existing code was even partly buggy since it returned on some paths
different error codes than the standard.
Signed-off-by: Helge Deller <deller@gmx.de>
Process personality is stored together with other flags like UNAME26 in
an integer variable. Overwriting this value with PER_LINUX drops all
other existing flags and as such broke tools like the uname26 tool.
Actually this was only broken on 32bit kernels, since for 32bit-ELF
binaries on 64-bit kernels the SET_PERSONALITY macro from
arch/parisc/kernel/binfmt_elf32.c is used which does not modifies the
personality value at all (which is wrong as long as we don't run HPUX
binaries or similiar).
Signed-off-by: Helge Deller <deller@gmx.de>
LED activity is calculated out of the vm event counters wich are delivered
through the all_vm_events() function which requires CONFIG_VM_EVENT_COUNTERS.
Signed-off-by: Helge Deller <deller@gmx.de>
Nothing uses compat_rt_sigframe.h anymore. Commit
f671c45df2 ("[PARISC] Arch-specific compat
signals") removed all includes of that header. It also basically copied
that entire header verbatim into signal32.h. It seems it was just
forgotten to also remove compat_rt_sigframe.h from the tree. Remove that
header now.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Helge Deller <deller@gmx.de>
Commit d065bd810b
(mm: retry page fault when blocking on disk transfer) and
commit 37b23e0525
(x86,mm: make pagefault killable)
The above commits introduced changes into the x86 pagefault handler
for making the page fault handler retryable as well as killable.
These changes reduce the mmap_sem hold time, which is crucial
during OOM killer invocation.
Port these changes to parisc.
Signed-off-by: Kautuk Consul <consul.kautuk@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
