With device core now able to setup the default pin configuration, the
call to devm_pinctrl_get_select_default can be removed. And the pin
configuration code based on the deprecated Samsung specific gpio
bindings is also removed.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Instead of parsing the DT binding on our own, use the standard parser
mmc_of_parse(), introduced by commit 6c56e7a.
Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Chris Ball <cjb@laptop.org>
In addition to just logging errors encountered during DT parsing or
allocating GPIO slots for CD/WP, mmc_of_parse() now returns with an error.
In particular, this is needed if the GPIO allocation may return
EPROBE_DEFER.
Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
In preparation to switching the jz4740 clk driver to the
common clk framework, update the clk enable/disable calls
to clk_prepare_enable/clk_disable_unprepare.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
of_match_ptr() eliminates having an #ifdef returning NULL for the case
when OF is disabled.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
As there are no more users of the flexcan platform file, let's remove it.
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Instead of using a GPIO to turn on/off the CAN transceiver, it is better to
use a regulator as some systems may use a PMIC to power the CAN transceiver.
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
As there are no imx in-tree users of flexcan_platform_data, this patch removes
the possibility to register a flexcan device with platform data.
The functionality to swith on/off CAN transceivers is added to DT via
regulators in a later patch.
Compile time tested with imx_v4_v5_defconfig and imx_v6_v7_defconfig.
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This patch set updates da850 DTS files to enable use of
C pre-processor. Also updates pinctrl-single DT data
to go with changes done in that module to enable a
single register to service configuration of multiple
pins.
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Merge tag 'davinci-for-v3.11/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/late
From Sekhar Nori:
Device Tree updates for DaVinci
This patch set updates da850 DTS files to enable use of
C pre-processor. Also updates pinctrl-single DT data
to go with changes done in that module to enable a
single register to service configuration of multiple
pins.
* tag 'davinci-for-v3.11/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: da850: adopt to pinctrl-single change for configuring multiple pins
ARM: davinci: da850: Use #include for all device trees
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Use standard PM state macros PCI_Dx instead of numeric 0/1/2..
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
- external irq on non-DT boards
- cpuidle code in some circumstances
- PMC code in relation with PLLB/PLL_UTMI/USB:
mainly for SAMA5D3 and AT91SAM9N12
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Merge tag 'at91-fixes' of git://github.com/at91linux/linux-at91 into next/fixes-non-critical
From Nicolas Ferre:
Several fixes for:
- external irq on non-DT boards
- cpuidle code in some circumstances
- PMC code in relation with PLLB/PLL_UTMI/USB:
mainly for SAMA5D3 and AT91SAM9N12
* tag 'at91-fixes' of git://github.com/at91linux/linux-at91:
ARM: at91/PMC: use at91_usb_rate() for UTMI PLL
ARM: at91/PMC: fix at91sam9n12 USB FS init
ARM: at91/PMC: at91sam9n12 family has a PLLB
ARM: at91/PMC: sama5d3 family doesn't have a PLLB
ARM: at91: cpuidle: Fix target_residency
ARM: at91: fix at91_extern_irq usage for non-dt boards
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This makes the l2x0 initialization fail gracefully on non-ux500
systems.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Sending the right snapshot context with each write is required for
snapshots to work. Due to the ordering of calls, the snapshot context
is never set for any requests. This causes writes to the current
version of the image to be reflected in all snapshots, which are
supposed to be read-only.
This happens because rbd_osd_req_format_write() sets the snapshot
context based on obj_request->img_request. At this point, however,
obj_request->img_request has not been set yet, to the snapshot context
is set to NULL. Fix this by moving rbd_img_obj_request_add(), which
sets obj_request->img_request, before the osd request formatting
calls.
This resolves:
http://tracker.ceph.com/issues/5465
Reported-by: Karol Jurak <karol.jurak@gmail.com>
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Select PINCTRL_TZ1090_PDC from SOC_TZ1090 to enable the PDC pin
controller driver once it is merged, and instantiate it from
tz1090.dtsi.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
Select PINCTRL and PINCTRL_TZ1090 from SOC_TZ1090 to enable the main pin
controller driver once it is merged, and instantiate it from
tz1090.dtsi.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
The cache configuration of the boot cpu is now duplicated to secondary
cpus, so there's no need to check for cache aliasing again when a
secondary cpu is booted. Therefore remove the check from
secondary_start_kernel().
Signed-off-by: James Hogan <james.hogan@imgtec.com>
If the cache and page size configuration allows for cache aliasing to
occur we warn on boot, but the log messages are easy to miss and will
result is random crashes occuring in userland. Let's panic too in this
case so that the user immediately knows they need to fix the cache
configuration or configured page size.
Also fix the warning messages which display the cache and page sizes to
include newlines, and add the word "Potential" since an actual cache
alias hasn't been detected.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Include *.dtsi files from *.dts using the preprocessor to set a good
example for future device tree files. Files included in the old way
don't get pre-processed.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Cc: devicetree-discuss@lists.ozlabs.org
Add symlink to include/dt-bindings from arch/metag/boot/dts/include/ to
match the one in arch/arm/... (see the commit below) so that
preprocessed device tree files can include various useful constant
definitions.
Commit c58299aa87 ("kbuild: create an
"include chroot" for DT bindings") merged in v3.10-rc1.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: linux-kbuild@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
HSCIF support by Ulrich Hecht.
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Merge tag 'renesas-sh-sci-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/late
Renesas sh-sci updates for v3.11
HSCIF support by Ulrich Hecht.
* tag 'renesas-sh-sci-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
serial: sh-sci: Initialise variables before access in sci_set_termios()
ARM: shmobile: r8a7790: don't use external clock for SCIFs
ARM: shmobile: r8a7790: HSCIF support
serial: sh-sci: HSCIF support
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Instead of relying on the hard-coded mem/premem bases for
the PCI side, read in these from the device tree in the
DT probe path. Hard-code the old values on the non-DT probe
path. Introduce some static locals to hold these addresses
instead of the earlier static #defines.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This alters the local side address of the iospace to zero,
non prefetchable memory local side address to 0x00000000 and
prefetchable memory local side address to 0x10000000,
so as to match the values actually poked in by the driver.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
KVM/ARM pull request for 3.11 merge window
* tag 'kvm-arm-3.11' of git://git.linaro.org/people/cdall/linux-kvm-arm.git:
ARM: kvm: don't include drivers/virtio/Kconfig
Update MAINTAINERS: KVM/ARM work now funded by Linaro
arm/kvm: Cleanup KVM_ARM_MAX_VCPUS logic
ARM: KVM: clear exclusive monitor on all exception returns
ARM: KVM: add missing dsb before invalidating Stage-2 TLBs
ARM: KVM: perform save/restore of PAR
ARM: KVM: get rid of S2_PGD_SIZE
ARM: KVM: don't special case PC when doing an MMIO
ARM: KVM: use phys_addr_t instead of unsigned long long for HYP PGDs
ARM: KVM: remove dead prototype for __kvm_tlb_flush_vmid
ARM: KVM: Don't handle PSCI calls via SMC
ARM: KVM: Allow host virt timer irq to be different from guest timer virt irq
This reverts most of the f1ed0450a5. After
the commit kvm_apic_set_irq() no longer returns accurate information
about interrupt injection status if injection is done into disabled
APIC. RTC interrupt coalescing tracking relies on the information to be
accurate and cannot recover if it is not.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Add a tracepoint write_tsc_offset for tracing TSC offset change.
We want to merge ftrace's trace data of guest OSs and the host OS using
TSC for timestamp in chronological order. We need "TSC offset" values for
each guest when merge those because the TSC value on a guest is always the
host TSC plus guest's TSC offset. If we get the TSC offset values, we can
calculate the host TSC value for each guest events from the TSC offset and
the event TSC value. The host TSC values of the guest events are used when we
want to merge trace data of guests and the host in chronological order.
(Note: the trace_clock of both the host and the guest must be set x86-tsc in
this case)
This tracepoint also records vcpu_id which can be used to merge trace data for
SMP guests. A merge tool will read TSC offset for each vcpu, then the tool
converts guest TSC values to host TSC values for each vcpu.
TSC offset is stored in the VMCS by vmx_write_tsc_offset() or
vmx_adjust_tsc_offset(). KVM executes the former function when a guest boots.
The latter function is executed when kvm clock is updated. Only host can read
TSC offset value from VMCS, so a host needs to output TSC offset value
when TSC offset is changed.
Since the TSC offset is not often changed, it could be overwritten by other
frequent events while tracing. To avoid that, I recommend to use a special
instance for getting this event:
1. set a instance before booting a guest
# cd /sys/kernel/debug/tracing/instances
# mkdir tsc_offset
# cd tsc_offset
# echo x86-tsc > trace_clock
# echo 1 > events/kvm/kvm_write_tsc_offset/enable
2. boot a guest
Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@hitachi.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Without this information, users will just see unexpected performance
problems and there is little chance we will get good reports from them:
note that mmio generation is increased even when we just start, or stop,
dirty logging for some memory slot, in which case users cannot expect
all shadow pages to be zapped.
printk_ratelimited() is used for this taking into account the problems
that we can see the information many times when we start multiple VMs
and guests can trigger this by reading ROM in a loop for example.
Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Document it to Documentation/virtual/kvm/mmu.txt
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Document it to Documentation/virtual/kvm/mmu.txt
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Document fast page fault to Documentation/virtual/kvm/mmu.txt
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Document it to Documentation/virtual/kvm/mmu.txt
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Document it to Documentation/virtual/kvm/mmu.txt
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Drop kvm_mmu_zap_mmio_sptes and use kvm_mmu_invalidate_zap_all_pages
instead to handle mmio generation number overflow
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Then it has the chance to trigger mmio generation number wrap-around
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
[Change from MMIO_MAX_GEN - 13 to MMIO_MAX_GEN - 150, because 13 is
very close to the number of calls to KVM_SET_USER_MEMORY_REGION
before the guest is started and there is any chance to create any
spte. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch tries to introduce a very simple and scale way to invalidate
all mmio sptes - it need not walk any shadow pages and hold mmu-lock
KVM maintains a global mmio valid generation-number which is stored in
kvm->memslots.generation and every mmio spte stores the current global
generation-number into his available bits when it is created
When KVM need zap all mmio sptes, it just simply increase the global
generation-number. When guests do mmio access, KVM intercepts a MMIO #PF
then it walks the shadow page table and get the mmio spte. If the
generation-number on the spte does not equal the global generation-number,
it will go to the normal #PF handler to update the mmio spte
Since 19 bits are used to store generation-number on mmio spte, we zap all
mmio sptes when the number is round
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Store the generation-number into bit3 ~ bit11 and bit52 ~ bit61, totally
19 bits can be used, it should be enough for nearly all most common cases
In this patch, the generation-number is always 0, it will be changed in
the later patch
[Gleb: masking generation bits from spte in get_mmio_spte_gfn() and
get_mmio_spte_access()]
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
drm_mode_detailed() is called quite often, therefore when a monitor
that has a detailed timing mode marked DRM_EDID_PT_STEREO or requiring
composite sync, warning messages will clutter up the kernel log.
Like we already do for incorrect hsync/vsync pluse widths, print these
messages only when KMS debugging is enabled.
Signed-off-by: Egbert Eich <eich@suse.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
When dev->driver->master_set() failed ioctl call return 0
but the caller is not the DRM-Master because file_priv->is_master = 0.
Fix that by returning to ioctl caller the driver master_set error code.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Merge in the tip core/mutexes branch for future GPU driver use.
Ingo will send this branch to Linus prior to drm-next.
* 'core/mutexes' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
locking-selftests: Handle unexpected failures more strictly
mutex: Add more w/w tests to test EDEADLK path handling
mutex: Add more tests to lib/locking-selftest.c
mutex: Add w/w tests to lib/locking-selftest.c
mutex: Add w/w mutex slowpath debugging
mutex: Add support for wound/wait style locks
arch: Make __mutex_fastpath_lock_retval return whether fastpath succeeded or not
powerpc/pci: Fix boot panic on mpc83xx (regression)
s390/ipl: Fix FCP WWPN and LUN format strings for read
fs: fix new splice.c kernel-doc warning
spi/pxa2xx: fix memory corruption due to wrong size used in devm_kzalloc()
s390/mem_detect: fix memory hole handling
s390/dma: support debug_dma_mapping_error
s390/dma: fix mapping_error detection
s390/irq: Only define synchronize_irq() on SMP
Input: xpad - fix for "Mad Catz Street Fighter IV FightPad" controllers
Input: wacom - add a new stylus (0x100802) for Intuos5 and Cintiqs
spi/pxa2xx: use GFP_ATOMIC in sg table allocation
fuse: hold i_mutex in fuse_file_fallocate()
Input: add missing dependencies on CONFIG_HAS_IOMEM
...
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Merge tag 'v3.10-rc7' into drm-next
Linux 3.10-rc7
The sdvo lvds fix in this -fixes pull
commit c3456fb3e4
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Jun 10 09:47:58 2013 +0200
drm/i915: prefer VBT modes for SVDO-LVDS over EDID
has a silent functional conflict with
commit 990256aec2
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri May 31 12:17:07 2013 +0000
drm: Add probed modes in probe order
in drm-next. W simply need to add the vbt modes before edid modes, i.e. the
other way round than now.
Conflicts:
drivers/gpu/drm/drm_prime.c
drivers/gpu/drm/i915/intel_sdvo.c
There's a race window (small for hpd, 10s large for polled outputs)
where userspace could sneak in with an unrelated connnector probe
ioctl call and eat the hotplug event (since neither the hpd nor the
poll code see a state change).
To avoid this, check whether the connector state changes in all other
->detect calls (in the current helper code that's only probe_single)
and if that's the case, fire off a hotplug event. Note that we can't
directly call the hotplug event handler, since that expects that no
locks are held (due to reentrancy with the fb code to update the kms
console).
Also, this requires that drivers using the probe_single helper
function set up the poll work. All current drivers do that already,
and with the reworked hpd handling there'll be no downside to
unconditionally setting up the poll work any more.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
