Black screen, screen corruption, hardware state corruption fixes.
* tag 'drm-intel-fixes-2014-11-07' of git://anongit.freedesktop.org/drm-intel:
drm/i915: safeguard against too high minimum brightness
drm/i915: vlv: fix gunit HW state corruption during S4 suspend
drm/i915: Disable caches for Global GTT.
- fix missing crtc unlock in MC setup
- set optimal CE ram config
- use gart rather than vram for DMA IB tests to avoid coherency issues with HDP
- fix a crasher with laptop mode and TDP scripts
* 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: add missing crtc unlock when setting up the MC
drm/radeon: use gart for DMA IB tests
drm/radeon: make sure mode init is complete in bandwidth_update
drm/radeon: set correct CE ram size for CIK
Use gart rather than vram to avoid having to deal with
the HDP cache.
Port of adfed2b058
(drm/radeon: use gart memory for DMA ring tests)
to the IB tests.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
The power management code calls into the display code for
certain things. If certain power management sysfs attributes
are called before the driver has finished initializing all of
the hardware we can run into problems with uninitialized
modesetting state. Add a check to make sure modesetting
init has completed to the bandwidth update callbacks to
fix this. Can be triggered by the tlp and laptop start
up scripts depending on the timing.
bugs:
https://bugzilla.kernel.org/show_bug.cgi?id=83611https://bugs.freedesktop.org/show_bug.cgi?id=85771
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
CE ram size is 32k/0k/0k for GFX/CS0/CS1 with CIK
Ported from amdgpu driver.
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Enumeration
- Don't oops on virtual buses in acpi_pci_get_bridge_handle() (Yinghai Lu)
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Merge tag 'pci-v3.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"This fixes an oops when enabling SR-IOV VF devices. The oops is a
regression I added by configuring all devices during enumeration.
- Don't oops on virtual buses in acpi_pci_get_bridge_handle() (Yinghai Lu)"
* tag 'pci-v3.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Don't oops on virtual buses in acpi_pci_get_bridge_handle()
This update contains mostly only fixes for Realtek HD-audio codec
driver in addition to a long-standing sysfs warning bug fix for
USB-audio. One significant fix for Realtek codecs is the update of
EAPD init codes. This avoids invalid COEF setups for some codec
models and may fix "lost sound" in some cases. The rest are a bit
high volume but only new quirks and ALC668-specific COEF tables.
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Merge tag 'sound-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This update contains mostly only fixes for Realtek HD-audio codec
driver in addition to a long-standing sysfs warning bug fix for
USB-audio.
One significant fix for Realtek codecs is the update of EAPD init
codes. This avoids invalid COEF setups for some codec models and may
fix "lost sound" in some cases.
The rest are a bit high volume but only new quirks and ALC668-specific
COEF tables"
* tag 'sound-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Restore default value for ALC668
ALSA: usb-audio: Fix device_del() sysfs warnings at disconnect
ALSA: hda - fix mute led problem for three HP laptops
ALSA: hda/realtek - Update Initial AMP for EAPD control
ALSA: hda - change three SSID quirks to one pin quirk
ALSA: hda - Set GPIO 4 low for a few HP machines
ALSA: hda - Add ultra dock support for Thinkpad X240.
- Fix card detection regression.
The MMC_CAP2_CD_ACTIVE_HIGH and MMC_CAP2_RO_ACTIVE_HIGH could under
some circumstances be set incorrectly, causing the card detection to
fail.
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Merge tag 'mmc-v3.18-2' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC fix from Ulf Hansson:
"Fix card detection regression in the MMC core.
The MMC_CAP2_CD_ACTIVE_HIGH and MMC_CAP2_RO_ACTIVE_HIGH could under
some circumstances be set incorrectly, causing the card detection to
fail"
* tag 'mmc-v3.18-2' of git://git.linaro.org/people/ulf.hansson/mmc:
mmc: core: fix card detection regression
Pull another filesystem fix from Al Viro:
"A fix for embarrassing braino in o2net_send_tcp_msg(). -stable
fodder..."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix breakage in o2net_send_tcp_msg()
Never trust (your interpretation of) the VBT. Regression from
commit 6dda730e55
Author: Jani Nikula <jani.nikula@intel.com>
Date: Tue Jun 24 18:27:40 2014 +0300
drm/i915: respect the VBT minimum backlight brightness
causing div by zero if VBT minimum brightness equals maximum brightness.
Despite my attempts I've failed in my detective work to figure out what
the root cause is. This is not the real fix, but we have to do
something.
Reported-by: Mike Auty <mike.auty@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=86551
Cc: stable@vger.kernel.org (v3.17+)
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
During S4 freeze we don't call intel_suspend_complete(), which would
save the gunit HW state, but during S4 thaw/restore events we call
intel_resume_prepare() which restores it, thus ending up in a corrupted
HW state.
Fix this by calling intel_suspend_complete() from the corresponding
freeze_late event handler.
The issue was introduced in
commit 016970beb0
Author: Sagar Kamble <sagar.a.kamble@intel.com>
Date: Wed Aug 13 23:07:06 2014 +0530
CC: Sagar Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Global GTT doesn't have pat_sel[2:0] so it always point to pat_sel = 000;
So the only way to avoid screen corruptions is setting PAT 0 to Uncached.
MOCS can still be used though. But if userspace is trusting PTE for
cache selection the safest thing to do is to let caches disabled.
BSpec: "For GGTT, there is NO pat_sel[2:0] from the entry,
so RTL will always use the value corresponding to pat_sel = 000"
- System agent ggtt writes (i.e. cpu gtt mmaps) already work before
this patch, i.e. the same uncached + snooping access like on gen6/7
seems to be in effect.
- So this just fixes blitter/render access. Again it looks like it's
not just uncached access, but uncached + snooping. So we can still
hold onto all our assumptions wrt cpu clflushing on LLC machines.
v2: Cleaner patch as suggested by Chris.
v3: Add Daniel's comment
Reference: https://bugs.freedesktop.org/show_bug.cgi?id=85576
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: James Ausmus <james.ausmus@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Stable@vger.kernel.org
Tested-by: James Ausmus <james.ausmus@intel.com>
Reviewed-by: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Restore the registers to prevent the abnormal digital power supply
rising ratio/sequence to the codec and causing the incorrect default
codec register restoration during initialization.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
uninitialized msghdr. Broken in "ocfs2: don't open-code kernel_recvmsg()"
by me ;-/
Cc: stable@vger.kernel.org # 3.15+
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Pull s390 update from Martin Schwidefsky:
"One small improvement for the cputime accounting, two bug fixes and an
update for the default configuration files"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/ftrace: add ftrace_graph_is_dead() check
s390: update default configuration
s390/vdso: fix stack corruption
s390/time: use stck clock fast for do_account_vtime
acpi_pci_get_bridge_handle() returns the ACPI handle for the bridge device
(either a host bridge or a PCI-to-PCI bridge) leading to a PCI bus. But
SR-IOV virtual functions can be on a virtual bus with no bridge leading to
it. Return a NULL acpi_handle in this case instead of trying to
dereference the NULL pointer to the bridge.
This fixes a NULL pointer dereference oops in pci_get_hp_params() when
adding SR-IOV VF devices on virtual buses.
[bhelgaas: changelog, add comment in code]
Fixes: 6cd33649fa ("PCI: Add pci_configure_device() during enumeration")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=87591
Reported-by: Chao Zhou <chao.zhou@intel.com>
Reported-by: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Some USB-audio devices show weird sysfs warnings at disconnecting the
devices, e.g.
usb 1-3: USB disconnect, device number 3
------------[ cut here ]------------
WARNING: CPU: 0 PID: 973 at fs/sysfs/group.c:216 device_del+0x39/0x180()
sysfs group ffffffff8183df40 not found for kobject 'midiC1D0'
Call Trace:
[<ffffffff814a3e38>] ? dump_stack+0x49/0x71
[<ffffffff8103cb72>] ? warn_slowpath_common+0x82/0xb0
[<ffffffff8103cc55>] ? warn_slowpath_fmt+0x45/0x50
[<ffffffff813521e9>] ? device_del+0x39/0x180
[<ffffffff81352339>] ? device_unregister+0x9/0x20
[<ffffffff81352384>] ? device_destroy+0x34/0x40
[<ffffffffa00ba29f>] ? snd_unregister_device+0x7f/0xd0 [snd]
[<ffffffffa025124e>] ? snd_rawmidi_dev_disconnect+0xce/0x100 [snd_rawmidi]
[<ffffffffa00c0192>] ? snd_device_disconnect+0x62/0x90 [snd]
[<ffffffffa00c025c>] ? snd_device_disconnect_all+0x3c/0x60 [snd]
[<ffffffffa00bb574>] ? snd_card_disconnect+0x124/0x1a0 [snd]
[<ffffffffa02e54e8>] ? usb_audio_disconnect+0x88/0x1c0 [snd_usb_audio]
[<ffffffffa015260e>] ? usb_unbind_interface+0x5e/0x1b0 [usbcore]
[<ffffffff813553e9>] ? __device_release_driver+0x79/0xf0
[<ffffffff81355485>] ? device_release_driver+0x25/0x40
[<ffffffff81354e11>] ? bus_remove_device+0xf1/0x130
[<ffffffff813522b9>] ? device_del+0x109/0x180
[<ffffffffa01501d5>] ? usb_disable_device+0x95/0x1f0 [usbcore]
[<ffffffffa014634f>] ? usb_disconnect+0x8f/0x190 [usbcore]
[<ffffffffa0149179>] ? hub_thread+0x539/0x13a0 [usbcore]
[<ffffffff810669f5>] ? sched_clock_local+0x15/0x80
[<ffffffff81066c98>] ? sched_clock_cpu+0xb8/0xd0
[<ffffffff81070730>] ? bit_waitqueue+0xb0/0xb0
[<ffffffffa0148c40>] ? usb_port_resume+0x430/0x430 [usbcore]
[<ffffffffa0148c40>] ? usb_port_resume+0x430/0x430 [usbcore]
[<ffffffff8105973e>] ? kthread+0xce/0xf0
[<ffffffff81059670>] ? kthread_create_on_node+0x1c0/0x1c0
[<ffffffff814a8b7c>] ? ret_from_fork+0x7c/0xb0
[<ffffffff81059670>] ? kthread_create_on_node+0x1c0/0x1c0
---[ end trace 40b1928d1136b91e ]---
This comes from the fact that usb-audio driver may receive the
disconnect callback multiple times, per each usb interface. When a
device has both audio and midi interfaces, it gets called twice, and
currently the driver tries to release resources at the last call.
At this point, the first parent interface has been already deleted,
thus deleting a child of the first parent hits such a warning.
For fixing this problem, we need to call snd_card_disconnect() and
cancel pending operations at the very first disconnect while the
release of the whole objects waits until the last disconnect call.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80931
Reported-and-tested-by: Tomas Gayoso <tgayoso@gmail.com>
Reported-and-tested-by: Chris J Arges <chris.j.arges@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
ovl_cache_put() can be called from ovl_dir_reset() if the cache needs to be
rebuilt. We did list_del() on the cursor, which results in an Oops on the
poisoned pointer in ovl_seek_cursor().
Reported-by: Jordi Pujol Palomer <jordipujolp@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Tested-by: Jordi Pujol Palomer <jordipujolp@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Since commit 89168b4899 ("mmc: core: restore detect line inversion
semantics"), the SD card on i.MX28 (and possibly other) devices isn't
detected and booting stops at:
[ 4.120617] Waiting for root device /dev/mmcblk0p3...
This is caused by the MMC_CAP2_CD_ACTIVE_HIGH flag being set incorrectly
when the host controller doesn't use a GPIO for card detection (but
instead uses a dedicated pin). In this case mmc_gpiod_request_cd() will
return before assigning to the gpio_invert variable, leaving the
variable uninitialized. The variable then gets used to set the flag.
This patch fixes the issue by making sure gpio_invert is set to false
when a GPIO isn't used. After this patch, i.MX28 boots fine.
The MMC_CAP2_RO_ACTIVE_HIGH (write protect) flag is also set incorrectly
for the exact same reason (it uses the same uninitialized variable), so
this patch fixes that too.
Fixes: 89168b4899 ("mmc: core: restore detect line inversion semantics")
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Kristina Martšenko <kristina.martsenko@gmail.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Without the fix, the mute led can't work on these three machines.
After apply this fix, these three machines will fall back on the led
control quirk as below, and through testing, the mute led works very
well.
PIN_QUIRK(0x10ec0282, 0x103c, "HP", ALC269_FIXUP_HP_LINE1_MIC1_LED,
ALC282_STANDARD_PINS,
{0x12, 0x90a60140},
...
BugLink: https://bugs.launchpad.net/bugs/1389497
Tested-by: TieFu Chen <tienfu.chen@canonical.com>
Cc: Kailang Yang <kailang@realtek.com>
Cc: stable@vger.kernel.org
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pull thermal fixes from Eduardo Valentin:
"Specifics:
- a few code fixes improving the Exynos code base. They remove dead
and unreachable code. No functional changes here
- in Exynos code base, fixes regarding the right usage of features
(TRIMINFO and TRIMRELOAD)
- documentation of RCAR thermal
- fix in the of-thermal, regarding the proper usage of of-APIs
- fixes on thermal-core, removal of unreachable code"
[ Eduardo is sending the thermal fixes on behalf of Rui Zhang this time.
Rui is currently unable to send pull requests due to troubles with his
machine and he's currently in a business trip ]
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
Thermal:Remove usless if(!result) before return tz
thermal: exynos: fix IRQ clearing on TMU initialization
thermal: fix multiple disbalanced device node counters
thermal: rcar: Add binding docs for new R-Car Gen2 SoCs
thermal: exynos: Add support for TRIM_RELOAD feature at Exynos3250
thermal: exynos: Add support for many TRIMINFO_CTRL registers
thermal: samsung: Exynos5260 and Exynos5420 should not use TRIM_RELOAD flag
thermal: exynos: remove identical values from exynos*_tmu_registers structures
thermal: exynos: remove redundant pdata checks from exynos_tmu_control()
thermal: exynos: cache non_hw_trigger_levels in pdata
thermal: exynos: simplify temp_to_code() and code_to_temp()
thermal: exynos: remove redundant threshold_code checks from exynos_tmu_initialize()
thermal: exynos: remove redundant pdata checks from exynos_tmu_initialize()
thermal: exynos: remove dead code for HW_MODE calibration
thermal: exynos: remove unused struct exynos_tmu_registers entries
Quirks and DMI match additions.
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Merge tag 'platform-drivers-x86-v3.18-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform drievr updates from Darren Hart:
"A short list of patches applying quirks and new DMI matches. These
pass my basic build tests and have spent 4 days in linux-next"
* tag 'platform-drivers-x86-v3.18-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
quirk for Lenovo Yoga 3: no rfkill switch
acer-wmi: Add acpi_backlight=video quirk for the Acer KAV80
samsung-laptop: Add broken-acpi-video quirk for NC210/NC110
asus-nb-wmi: Add wapf4 quirk for the X550VB
toshiba_acpi: Add Toshiba TECRA A50-A to the alt keymap dmi list
Pull powerpc fixes from Michael Ellerman:
"Some more powerpc fixes if you please"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
powerpc: use device_online/offline() instead of cpu_up/down()
powerpc/powernv: Properly fix LPC debugfs endianness
powerpc: do_notify_resume can be called with bad thread_info flags argument
powerpc/fadump: Fix endianess issues in firmware assisted dump handling
powerpc: Fix section mismatch warning
mounted in two locations caused the ftracetests to fail. This is because
the ftracetests script does a grep of the /proc/mounts file to find
where the debugfs file system is mounted. If it is mounted twice, then
the grep returns two lines instead of just one. This causes the ftracetests
to get confused and fail.
Use "head -1" to only return the first mount point for debugfs.
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Merge tag 'ftracetest-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull ftracetest fix from Steven Rostedt:
"Running the ftracetests on a machine that had the debugfs file system
mounted in two locations caused the ftracetests to fail. This is
because the ftracetests script does a grep of the /proc/mounts file to
find where the debugfs file system is mounted. If it is mounted
twice, then the grep returns two lines instead of just one. This
causes the ftracetests to get confused and fail.
Use "head -1" to only return the first mount point for debugfs"
* tag 'ftracetest-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftracetest: Take the first debugfs mount found
- Two fixes for the Baytrail driver affecting IRQs and
output state in sysfs
- Use the linux-gpio mailing list also for pinctrl patches
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Merge tag 'pinctrl-v3.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin-control fixes from Linus Walleij:
"This kernel cycle has been calm for both pin control and GPIO so far
but here are three pin control patches for you anyway, only really
dealing with Baytrail:
- Two fixes for the Baytrail driver affecting IRQs and output state
in sysfs
- Use the linux-gpio mailing list also for pinctrl patches"
* tag 'pinctrl-v3.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: baytrail: show output gpio state correctly on Intel Baytrail
pinctrl: use linux-gpio mailing list
pinctrl: baytrail: Clear DIRECT_IRQ bit
Pull CMA and DMA-mapping fixes from Marek Szyprowski:
"This contains important fixes for recently introduced highmem support
for default contiguous memory region used for dma-mapping subsystem"
* 'fixes-for-v3.18' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
mm, cma: make parameters order consistent in func declaration and definition
mm: cma: Use %pa to print physical addresses
mm: cma: Ensure that reservations never cross the low/high mem boundary
mm: cma: Always consider a 0 base address reservation as dynamic
mm: cma: Don't crash on allocation if CMA area can't be activated
Pull ceph fixes from Sage Weil:
"There is a GFP flag fix from Mike Christie, an error code fix from
Jan, and fixes for two unnecessary allocations (kmalloc and workqueue)
from Ilya. All are well tested.
Ilya has one other fix on the way but it didn't get tested in time"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
libceph: eliminate unnecessary allocation in process_one_ticket()
rbd: Fix error recovery in rbd_obj_read_sync()
libceph: use memalloc flags for net IO
rbd: use a single workqueue for all devices
result is always zero when comes here.
Signed-off-by: Yao Dongdong <yaodongdong@huawei.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Pull m68k update from Geert Uytterhoeven.
Just wiring up the bpf system call.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Wire up bpf
A surprisingly small batch of fixes for -rc3. Suspiciously small, I'd say.
Anyway, most of this are a few defconfig updates. Some for omap to deal
with kernel binary size (moving ipv6 to module, etc). A larger one for
socfpga that refreshes with some churn, but also turns on a few options
that makes the newly-added board in my bootfarm usable for testing.
OMAP3 will also now warn when booted with legacy (non-DT) boot protocols,
hopefully encouraging those who still care about some of those platforms
to submit DT support and report bugs where needed. Nothing stops working
though, this is just to warn for future deprecation.
Beyond this, very few actual bugfixes. A PXA fix for DEBUG_LL boot hangs,
a missing terminting entry in a dt_match array on RealView a MTD fix on
OMAP with NAND.
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Merge tag 'armsoc-for-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A surprisingly small batch of fixes for -rc3. Suspiciously small, I'd
say.
Anyway, most of this are a few defconfig updates. Some for omap to
deal with kernel binary size (moving ipv6 to module, etc). A larger
one for socfpga that refreshes with some churn, but also turns on a
few options that makes the newly-added board in my bootfarm usable for
testing.
OMAP3 will also now warn when booted with legacy (non-DT) boot
protocols, hopefully encouraging those who still care about some of
those platforms to submit DT support and report bugs where needed.
Nothing stops working though, this is just to warn for future
deprecation.
Beyond this, very few actual bugfixes. A PXA fix for DEBUG_LL boot
hangs, a missing terminting entry in a dt_match array on RealView a
MTD fix on OMAP with NAND"
[ Obviously missed rc3, will make rc4 instead ;) ]
* tag 'armsoc-for-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: drop list entry for davinci
ARM: OMAP2+: Warn about deprecated legacy booting mode
ARM: omap2plus_defconfig: Fix errors with NAND BCH
ARM: multi_v7_defconfig: fix support for APQ8084
soc: versatile: Add terminating entry for realview_soc_of_match
ARM: ixp4xx: remove compilation warnings in io.h
MAINTAINERS: Add Soren as reviewer for Zynq
ARM: omap2plus_defconfig: Fix bloat caused by having ipv6 built-in
ARM: socfpga_defconfig: Update defconfig for SoCFPGA
ARM: pxa: fix hang on startup with DEBUG_LL
Running ftracetests on a box that mounted debugfs in two locations
made the ftracetests fail. This is because the tests uses a grep
of debugfs from the /proc/mounts file to find the debugfs mount
point, and then appends "/tracing" to that string to get the tracing
directory.
If the debugfs directory is mounted twice, then that grep will return
two answers and appending "/tracing" to a string with two lines will
not work.
Use "head -1" to only take the first mount point found.
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* Factor out code for clearing raised IRQs from exynos_tmu_work() to
exynos_tmu_clear_irqs().
* Add a comment about documentation bugs to exynos_tmu_clear_irqs().
[ The documentation for Exynos3250, Exynos4412, Exynos5250 and
Exynos5260 incorrectly states that INTCLEAR register has
a different placing of bits responsible for FALL IRQs than
INTSTAT register. Exynos5420 and Exynos5440 documentation is
correct (Exynos4210 doesn't support FALL IRQs at all). ]
* Use exynos_tmu_clear_irqs() in exynos_tmu_initialize() instead
of open-coded code trying to clear IRQs according to predefined
masks. After this change exynos_tmu_initialize() just clears
IRQs that are raised like it is already done in exynos_tmu_work().
As a nice side-effect the code now uses the correct offset
(16 instead of 12) for bits responsible for clearing FALL IRQs
in INTCLEAR register on Exynos3250, Exynos4412 and Exynos5250.
* Remove no longer needed intclr_rise_[mask,shift] and
intclr_fall_[mask,shift] fields from struct exynos_tmu_registers.
* Remove no longer needed defines.
This patch has been tested on Exynos4412 and Exynos5420 SoCs.
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Here on function return all temporarily used device nodes shall
decrement their usage counter. The problems are found with device
nodes allocated by for_each_child_of_node(), of_parse_phandle()
and of_find_node_by_name(), fix all problems at once.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: devicetree@vger.kernel.org
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This patch add support for TRIM_RELOAD feature at Exynos3250. The TMu of
Exynos3250 has two TRIMINFO_CON register and must need to set RELOAD bit
before reading TRIMINFO register.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Reviewed-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This patch support many TRIMINFO_CTRL registers if specific Exynos SoC
has one more TRIMINFO_CTRL registers. Also this patch uses proper 'RELOAD'
shift/mask bit operation to set RELOAD feature instead of static value.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Reviewed-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Currently these SoCs claim TRIM_RELOAD support but don't have
triminfo_ctrl register address defined in their struct
exynos_tmu_registers entries. This causes incorrect write of
value "1" to data->base + 0x00 address (which happens to be
TRIMINFO register). Additionally according to the documentation
that I have neither Exynos5260 nor Exynos5420 support/require
TRIM_RELOAD feature. Thus fix the aforementioned issue by
removing TMU_SUPPORT_TRIM_RELOAD flag for both Exynos5260 and
Exynos5420.
Cc: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
There is no need for abstracting configuration for registers that
are identical on all SoC types.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
pdata->reference_voltage and pdata->gain are always defined
to non-zero values so remove the redundant checks from
exynos_tmu_control().
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Cache number of non-hardware trigger levels in a new pdata field
(non_hw_trigger_levels) and convert code in exynos_tmu_initialize()
accordingly.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Tested-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
* Remove dead temp check from temp_to_code() (this function users
in exynos_tmu_initialize() always pass correct temperatures and
exynos_tmu_set_emulation() returns early for EXYNOS4210 because
TMU_SUPPORT_EMULATION flag is not set on this SoC).
* Move temp_code check from code_to_temp() to exynos_tmu_read()
(code_to_temp() only user).
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Tested-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Remove runtime checks for negative return values of temp_to_code()
from exynos_tmu_initialize().
The current level temperature data hardcoded in pdata will never
cause a negative temp_to_code() return values and checking itself
is not proper. The checks in question are done at runtime in
a production code for data that is hardcoded inside driver during
development time and later it doesn't change. Such data should
be verified during development and review time (i.e. by a script
parsing relevant data from exynos_tmu_data.c, one can also argue
that verification to be done is so simple that the review by
a maintainer should be enough).
Theres should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Remove runtime checks for pdata sanity from exynos_tmu_initialize().
The current values hardcoded in pdata will never trigger the checks
and checking itself is not proper. The checks in question are done
at runtime in a production code for data that is hardcoded inside
driver during development time and later it doesn't change. Such
data should be verified during development and review time (i.e. by
a script parsing relevant data from exynos_tmu_data.c, one can also
argue that verification to be done is so simple that the review by
a maintainer should be enough).
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
The commit 1928457 ("thermal: exynos: Add hardware mode thermal
calibration support") has added HW_MODE feature but it has never
been enabled. As such it has been a dead code for over a year
now and should be removed from the kernel.
We don't keep the unused/untested features in the kernel just
in case that some future hardware might need it. Such code has
a real maintainance cost (all other code changes have to take
the dead code into account) and usually makes future changes
more difficult, not easier (i.e. recent additions of Exynos5420
SoC and Exynos5260 SoC thermal support has not made use of any
of the driver's currently unused/untested features, moreover
the recently added code is more complex than needed because of
the existing dead code). Also all removed dead code is still
accessible in the kernel git repository and can be easily
brought back if/when needed.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Remove unused / write-only entries from struct exynos_tmu_registers.
Then remove unused defines while at it.
We don't keep the unused/untested features in the kernel just
in case that some future hardware might need it. Such code has
a real maintainance cost (all other code changes have to take
the dead code into account) and usually makes future changes
more difficult, not easier (i.e. recent additions of Exynos5420
SoC and Exynos5260 SoC thermal support has not made use of any
of the driver's currently unused/untested features, moreover
the recently added code is more complex than needed because of
the existing dead code). Also all removed dead code is still
accessible in the kernel git repository and can be easily
brought back if/when needed.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Tested-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
* A regression from 3.16 which was noticed in 3.17. With the restructuring of
the m25p80.c driver and the SPI NOR library framework, we omitted proper
listing of the SPI device IDs. This means m25p80.c wouldn't auto-load
(modprobe) properly when built as a module. For now, we duplicate the device
IDs into both modules.
* The OMAP / ELM modules were depending on an implicit link ordering. Use
deferred probing so that the new link order (in 3.18-rc) can still allow for
successful probing.
* Fix suspend/resume support for LH28F640BF NOR flash
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Merge tag 'for-linus-20141102' of git://git.infradead.org/linux-mtd
Pull MTD fixes from Brian Norris:
"Three main MTD fixes for 3.18:
- A regression from 3.16 which was noticed in 3.17. With the
restructuring of the m25p80.c driver and the SPI NOR library
framework, we omitted proper listing of the SPI device IDs. This
means m25p80.c wouldn't auto-load (modprobe) properly when built as
a module. For now, we duplicate the device IDs into both modules.
- The OMAP / ELM modules were depending on an implicit link ordering.
Use deferred probing so that the new link order (in 3.18-rc) can
still allow for successful probing.
- Fix suspend/resume support for LH28F640BF NOR flash"
* tag 'for-linus-20141102' of git://git.infradead.org/linux-mtd:
mtd: cfi_cmdset_0001.c: fix resume for LH28F640BF chips
mtd: omap: fix mtd devices not showing up
mtd: m25p80,spi-nor: Fix module aliases for m25p80
mtd: spi-nor: make spi_nor_scan() take a chip type name, not spi_device_id
mtd: m25p80: get rid of spi_get_device_id
This is a set of six patches consisting of two MAINTAINER updates, two scsi-mq
fixs for the old parallel interface (not every request is tagged and we need
to set the right flags to populate the SPI tag message) and a fix for a memory
leak in scatterlist traversal caused by a preallocation update in 3.17) and an
ipv6 fix for cxgbi.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of six patches consisting of:
- two MAINTAINER updates
- two scsi-mq fixs for the old parallel interface (not every request
is tagged and we need to set the right flags to populate the SPI
tag message)
- a fix for a memory leak in scatterlist traversal caused by a
preallocation update in 3.17
- an ipv6 fix for cxgbi"
[ The scatterlist fix also came in separately through the block layer tree ]
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
MAINTAINERS: ufs - remove self
MAINTAINERS: change hpsa and cciss maintainer
libcxgbi : support ipv6 address host_param
scsi: set REQ_QUEUE for the blk-mq case
Revert "block: all blk-mq requests are tagged"
lib/scatterlist: fix memory leak with scsi-mq
