The H3 uses the same pin controller as previous SoC's from Allwinner.
Add support for the pins controlled by the main PIO controller.
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There are few defects in vga_get() related to signal hadning:
- we shouldn't check for pending signals for TASK_UNINTERRUPTIBLE
case;
- if we found pending signal we must remove ourself from wait queue
and change task state back to running;
- -ERESTARTSYS is more appropriate, I guess.
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Cc: stable@vger.kernel.org
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
some big endian fixes and one regression fix.
* 'drm-fixes-4.4' of git://people.freedesktop.org/~agd5f/linux:
radeon: Fix VCE IB test on Big-Endian systems
radeon: Fix VCE ring test for Big-Endian systems
radeon/cik: Fix GFX IB test on Big-Endian
drm/amdgpu: fix the lost duplicates checking
- Fix clock source for ARM TWD and global timers on am437x
- Always select REGULATOR_FIXED_VOLTAGE for omap2+ instead of
when MACH_OMAP3_PANDORA is selected
- Fix SPI DMA handles for dm816x as only some were mapped
- Fix up mbox cells for dm816x to make mailbox usable
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Merge tag 'omap-for-v4.4/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "omap fixes against v4.4-rc4" from Tony Lindgren
Few fixes for omaps for v4.4-rc cycle:
- Fix clock source for ARM TWD and global timers on am437x
- Always select REGULATOR_FIXED_VOLTAGE for omap2+ instead of
when MACH_OMAP3_PANDORA is selected
- Fix SPI DMA handles for dm816x as only some were mapped
- Fix up mbox cells for dm816x to make mailbox usable
* tag 'omap-for-v4.4/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am4372: fix clock source for arm twd and global timers
ARM: OMAP2+: enable REGULATOR_FIXED_VOLTAGE
ARM: dts: add dm816x missing spi DT dma handles
ARM: dts: add dm816x missing #mbox-cells
The recent change to use a pwm lookup table for the ezx machines
was incomplete and only changed the a780 model, but not the
other ones in the same file.
This adds the missing calls to pwm_add_table().
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: c332202289 ("ARM: pxa: ezx: Use PWM lookup table")
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
- fix of a hardware setup that prevents the sd/mmc interface to show up on
sama5d2.
- proper selection of pinctrl drivers. PIO4 is necessary for the sama5d2 to
boot.
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Merge tag 'at91-4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into fixes
Merge "Second fixes for 4.4" from Alexandre Belloni:
- fix of a hardware setup that prevents the sd/mmc interface to show up on
sama5d2.
- proper selection of pinctrl drivers. PIO4 is necessary for the sama5d2 to
boot.
* tag 'at91-4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
ARM: at91: fix pinctrl driver selection
ARM: at91/dt: add always-on to 1.8V regulator
This driver is mandatory for proper operation on the platforms covered
by the ARCH_BCM_MOBILE Kconfig symbol, make sure we do that driver on
for these platforms.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These new helpers simplify implementing multi-driver modules and
properly handle failure to register one driver by unregistering all
previously registered drivers.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These new helpers simplify implementing multi-driver modules and
properly handle failure to register one driver by unregistering all
previously registered drivers.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Most are minor to important fixes. There is one performance enhancement
that I took on the grounds that failing to check if other processes can
run before running what's intended to be a background, idle-time task
is a bug, even though the primary effect of the fix is to improve
performance (and it was a very simple patch).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"Most are minor to important fixes.
There is one performance enhancement that I took on the grounds that
failing to check if other processes can run before running what's
intended to be a background, idle-time task is a bug, even though the
primary effect of the fix is to improve performance (and it was a very
simple patch)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/mlx5: Postpone remove_keys under knowledge of coming preemption
IB/mlx4: Use vmalloc for WR buffers when needed
IB/mlx4: Use correct order of variables in log message
iser-target: Remove explicit mlx4 work-around
mlx4: Expose correct max_sge_rd limit
IB/mad: Require CM send method for everything except ClassPortInfo
IB/cma: Add a missing rcu_read_unlock()
IB core: Fix ib_sg_to_pages()
IB/srp: Fix srp_map_sg_fr()
IB/srp: Fix indirect data buffer rkey endianness
IB/srp: Initialize dma_length in srp_map_idb
IB/srp: Fix possible send queue overflow
IB/srp: Fix a memory leak
IB/sa: Put netlink request into the request list before sending
IB/iser: use sector_div instead of do_div
IB/core: use RCU for uverbs id lookup
IB/qib: Minor fixes to qib per SFF 8636
IB/core: Fix user mode post wr corruption
IB/qib: Fix qib_mr structure
We removed CLK_IGNORE_UNUSED from CLKID_SDIO's flag, so the sdhci0 and
sdhci1 don't work. We fix this by adding the optional 2nd clock for
BG2Q's sdhci0 and sdhci1. This patch brings another benefit: the 2nd
clock can be disabled during runtime pm, so saves power a bit.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
The optional 2nd clock is CLKID_SDIO. We removed CLK_IGNORE_UNUSED
from CLKID_SDIO's flag, so the sdhci2 doesn't work. This patch fixes
this issue by correcting the sdhci2's 2nd clock.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Again less intensive changes in this rc: you can find only a few
HD-audio fixes (noise fixes for Intel Broxton chip and a few Thinkpad
models, quirks for Alienware 17 and Packard Bell DOTS) in addition
to a long-standing rme96 bug fix.
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Merge tag 'sound-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Again less intensive changes in this rc: you can find only a few
HD-audio fixes (noise fixes for Intel Broxton chip and a few Thinkpad
models, quirks for Alienware 17 and Packard Bell DOTS) in addition to
a long-standing rme96 bug fix"
* tag 'sound-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/ca0132 - quirk for Alienware 17 2015
ALSA: hda - Fix noise problems on Thinkpad T440s
ALSA: hda - Fixing speaker noise on the two latest thinkpad models
ALSA: hda - Add inverted dmic for Packard Bell DOTS
ALSA: hda - Fix playback noise with 24/32 bit sample size on BXT
ALSA: rme96: Fix unexpected volume reset after rate changes
The EP93xx is registering a clocksource of 40 bits with
clocksource_mmio_init() but this is not working because of this
artificial limitation. It works fine to lift the uppe limit to
64 bits, and since cycle_t is u64, it should intuitively have been
like that from the beginning.
Fixes: 000bc17817 "ARM: ep93xx: switch to GENERIC_CLOCKEVENTS"
Reported-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: http://lkml.kernel.org/r/1449768101-6879-1-git-send-email-linus.walleij@linaro.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Both the 32bit and 64bit versions of the GICv3 header file are using
barriers, but neglect to include barrier.h, leading to an interesting
splat in some circumstances.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1449483072-17694-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
When the GICv3 header file is used in a C file that doesn't include
any of the OF stuff, we end up with a bunch of ugly warnings.
Let's keep GCC quiet by adding a forward declaration.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1449483072-17694-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This adds the initial support of the Broadcom NSP gpio-a driver.
Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yrdreddy@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
configs is allocated by pinconf_generic_parse_dt_config(),
pinctrl_utils_add_map_configs() duplicates configs so it can and has to
be freed to prevent memory leaks.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Reported-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
If dm_btree_del()'s call to push_frame() fails, e.g. due to
btree_node_validator finding invalid metadata, the dm_btree_del() error
path must unlock all frames (which have active dm-bufio buffers) that
were pushed onto the del_stack.
Otherwise, dm_bufio_client_destroy() will BUG_ON() because dm-bufio
buffers have leaked, e.g.:
device-mapper: bufio: leaked buffer 3, hold count 1, list 0
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
DR needs use the pulse counter direction pin as common gpio
function.
Signed-off-by: Guoying Zhang <Guoying.Zhang@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The vip low 8bit mode and vip high 8 bit mode pin groups had missed
3 pins:vip_vsync, vip_hsync and vip_pxclk. Without these 3 pins, the
vip could not work properly.
Now we add these 3 pins into these two pin groups.
Signed-off-by: Wei Chen <Wei.Chen@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Remove write-protect and chip-selector pins from nand pin group.
And then create two separate pin groups for these two pin.
So the nand driver can choose correct pin groups as board desgin:
For example:
1. nand without wp&cs:
nand@17050000 {
pinctrl-0 = <&nd_df_basic_pmx>;
};
2. nand with wp
nand@17050000 {
pinctrl-0 = <&nd_df_basic_pmx &nd_df_wp_pmx>;
};
3. nand with cs:
nand@17050000 {
pinctrl-0 = <&nd_df_basic_pmx &nd_df_cs_pmx>;
};
4. nand with wp&cs:
nand@17050000 {
pinctrl-0 = <&nd_df_basic_pmx &nd_df_wp_pmx &nd_df_cs_pmx>;
};
Signed-off-by: Wei Chen <Wei.Chen@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The sd9 pin mux with sd3 and it is selected by SYS2PCI_SDIO9SEL.
This makes the codes ugly since the register is not in pinctrl
module.
Signed-off-by: Yonghui Zhang <yonghui.zhang@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The nand in atlas7 has two chip select line. But in most time, the
nand only has one chip, so only one chip select line is enough.
The nand driver select this new pin group can free one chip select
line for other modules to avoid pin conflict.
Signed-off-by: Wei Chen <Wei.Chen@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As the pxa architecture, at least for pxa27x, supports pin control,
activate it in the pinctrl tree.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add the pxa27x architecture, which is a pxa2xx with 128 pins. The
registers spacing, and pins logic is common to pxa2xx, only the pins and
their alternate function are specific to pxa27x.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add pin configuration for pxa2xx architectures. PXA doesn't provide any
bias, push, pull capabilities. The only capability is to set a state for
the pins when the platform enter sleep or deep sleep mode.
The state of a pin is set by :
- whether the GPIO direction was input or output
- if it is output, a register set programs whether the pin should be
held to ground or VccIO
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The driver is inspired from the sunxi driver. The pxa architecture
specificities leading to the driver are :
- each pin has 8 possible alternate functions
- 4 of these are output kind
- 4 of these are input kind
- there is always a "gpio input" and "gpio output" function
- the function matrix is very scattered :
- some functions can be found on 5 different pads
- the number of functions is greater than the number of pins
- there is no "topology" grouping of pins (such as all SPI in one
corner of the die)
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add a pincontrol driver for pxa2xx architecture, encompassing all pxa25x
and pxa27x variants. This is only the pin muxing part of the driver.
One specific consideration is also the memory space (MMIO), which is
intertwined with the GPIO registers. To make things worse, the GPIO
direction register also affect pin muxing, as it chooses the "kind" of
pin, ie. the 4 output functions or 4 input functions.
The mapping between pinctrl notions and PXA Technical Reference Manual
is as follows :
- a pin is obviously a pin
- a group is also a pin, ie. group P101 is the pin 101
- a mux function is an alternate function
(ie. gpio-in, gpio-out, MMCLK, BTRTS, etc ...)
The individual architecture (pxa27x, pxa25x) instantiate a pin control
by providing a table of pins, each pin being provided a list of
PXA_FUNCTION (alternate functions).
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add the pinctrl pxa drivers to the pxa maintained files.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Various fixes for removing redundancy, const'ifying structs,
avoiding stack usage, fixing WARN usage (Krzysztof Kozlowski,
Julia Lawall, Kees Cook, Dan Carpenter)
- Revert No-IOMMU mode as the intended user has not emerged
(Alex Williamson)
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Merge tag 'vfio-v4.4-rc5' of git://github.com/awilliam/linux-vfio
Pull VFIO fixes from Alex Williamson:
- Various fixes for removing redundancy, const'ifying structs, avoiding
stack usage, fixing WARN usage (Krzysztof Kozlowski, Julia Lawall,
Kees Cook, Dan Carpenter)
- Revert No-IOMMU mode as the intended user has not emerged (Alex
Williamson)
* tag 'vfio-v4.4-rc5' of git://github.com/awilliam/linux-vfio:
Revert: "vfio: Include No-IOMMU mode"
vfio: fix a warning message
vfio: platform: remove needless stack usage
vfio-pci: constify pci_error_handlers structures
vfio: Drop owner assignment from platform_driver
ARM TWD and Global timer are clocked by PERIPHCLK which is MPU_CLK/2.
But now they are clocked by dpll_mpu_m2_ck == MPU_CLK and, as result.
Timekeeping core misbehaves. For example, execution of command
"sleep 5" will take 10 sec instead of 5.
Hence, fix it by adding mpu_periphclk ("fixed-factor-clock") and use
it for clocking ARM TWD and Global timer (same way as on OMAP4).
Cc: Tony Lindgren <tony@atomide.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>
Fixes:commit 8cbd4c2f6a ("arm: boot: dts: am4372: add ARM timers and SCU nodes")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
- Fix incorrect warning about overlapping memory regions
- Export of_irq_find_parent again which was made static in 4.4, but has
users pending for 4.5.
- Fix of_msi_map_rid declaration location
- Fix re-entrancy for of_fdt_unflatten_tree
- Clean-up of phys_addr_t printks
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Merge tag 'devicetree-fixes-for-4.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DT fixes from Rob Herring:
"I think this should be all for 4.4:
- Fix incorrect warning about overlapping memory regions
- Export of_irq_find_parent again which was made static in 4.4, but
has users pending for 4.5.
- Fix of_msi_map_rid declaration location
- Fix re-entrancy for of_fdt_unflatten_tree
- Clean-up of phys_addr_t printks"
* tag 'devicetree-fixes-for-4.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of/irq: move of_msi_map_rid declaration to the correct ifdef section
of/irq: Export of_irq_find_parent again
of/fdt: Add mutex protection for calls to __unflatten_device_tree()
of/address: fix typo in comment block of of_translate_one()
of: do not use 0x in front of %pa
of: Fix comparison of reserved memory regions
clock type are the major changes here. There's also a couple fixes for
the TI, sunxi, and scpi clock drivers.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"One small build fix, a couple do_div() fixes, and a fix for the gpio
basic clock type are the major changes here. There's also a couple
fixes for the TI, sunxi, and scpi clock drivers"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: sunxi: pll2: Fix clock running too fast
clk: scpi: add missing of_node_put
clk: qoriq: fix memory leak
imx/clk-pllv2: fix wrong do_div() usage
imx/clk-pllv1: fix wrong do_div() usage
clk: mmp: add linux/clk.h includes
clk: ti: drop locking code from mux/divider drivers
clk: ti816x: Add missing dmtimer clkdev entries
clk: ti: fapll: fix wrong do_div() usage
clk: ti: clkt_dpll: fix wrong do_div() usage
clk: gpio: Get parent clk names in of_gpio_clk_setup()
some hardware.
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Merge tag 'for-linus-4.4-1' of git://git.code.sf.net/p/openipmi/linux-ipmi
Pull IPMI fix from Corey Minyard:
"Fix an Oops if an interrupt occurs at startup. This can happen on
some hardware"
* tag 'for-linus-4.4-1' of git://git.code.sf.net/p/openipmi/linux-ipmi:
ipmi: move timer init to before irq is setup
We encountered a panic on boot in ipmi_si on a dell per320 due to an
uninitialized timer as follows.
static int smi_start_processing(void *send_info,
ipmi_smi_t intf)
{
/* Try to claim any interrupts. */
if (new_smi->irq_setup)
new_smi->irq_setup(new_smi);
--> IRQ arrives here and irq handler tries to modify uninitialized timer
which triggers BUG_ON(!timer->function) in __mod_timer().
Call Trace:
<IRQ>
[<ffffffffa0532617>] start_new_msg+0x47/0x80 [ipmi_si]
[<ffffffffa053269e>] start_check_enables+0x4e/0x60 [ipmi_si]
[<ffffffffa0532bd8>] smi_event_handler+0x1e8/0x640 [ipmi_si]
[<ffffffff810f5584>] ? __rcu_process_callbacks+0x54/0x350
[<ffffffffa053327c>] si_irq_handler+0x3c/0x60 [ipmi_si]
[<ffffffff810efaf0>] handle_IRQ_event+0x60/0x170
[<ffffffff810f245e>] handle_edge_irq+0xde/0x180
[<ffffffff8100fc59>] handle_irq+0x49/0xa0
[<ffffffff8154643c>] do_IRQ+0x6c/0xf0
[<ffffffff8100ba53>] ret_from_intr+0x0/0x11
/* Set up the timer that drives the interface. */
setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi);
The following patch fixes the problem.
To: Openipmi-developer@lists.sourceforge.net
To: Corey Minyard <minyard@acm.org>
CC: linux-kernel@vger.kernel.org
Signed-off-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Tony Camuso <tcamuso@redhat.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: stable@vger.kernel.org # Applies cleanly to 3.10-, needs small rework before
ROL on a 32 bit integer with a shift of 32 or more is undefined and the
result is arch-dependent. Avoid this by handling the trivial case of
roling by 0 correctly.
The trivial solution of checking if shift is 0 breaks gcc's detection
of this code as a ROL instruction, which is unacceptable.
This bug was reported and fixed in GCC
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57157):
The standard rotate idiom,
(x << n) | (x >> (32 - n))
is recognized by gcc (for concreteness, I discuss only the case that x
is an uint32_t here).
However, this is portable C only for n in the range 0 < n < 32. For n
== 0, we get x >> 32 which gives undefined behaviour according to the
C standard (6.5.7, Bitwise shift operators). To portably support n ==
0, one has to write the rotate as something like
(x << n) | (x >> ((-n) & 31))
And this is apparently not recognized by gcc.
Note that this is broken on older GCCs and will result in slower ROL.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When applying block operations (BOPs) do not remove them from the
uncommitted BOP ring-buffer until after they've been applied -- in case
we recurse.
Also, perform BOP_INC operation, in dm_sm_metadata_create() and
sm_metadata_extend(), in terms of the uncommitted BOP ring-buffer rather
than using direct calls to sm_ll_inc().
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
When you take a metadata snapshot the btree roots for the mapping and
details tree need to have their reference counts incremented so they
persist for the lifetime of the metadata snap.
The roots being incremented were those currently written in the
superblock, which could possibly be out of date if concurrent IO is
triggering new mappings, breaking of sharing, etc.
Fix this by performing a commit with the metadata lock held while taking
a metadata snapshot.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
Hopefully final set of fixes for v4.4 release cycle.
There's a fix for a regression on dwc3 caused by recent changes to how
transfers are started. We're not pre-starting interrupt endpoints
anymore.
A NULL pointer dereference fix for the MSM phy driver.
The UVC gadget got a minor fix for permissions to its configfs
attributes and, finally, two fixes for MUSB. A fix for PM runtime when
MUSB returns EPROBE_DEFER and a fix to actually return an error in case
we can't initialize a DMA engine.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'fixes-for-v4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for-v4.4-rc5
Hopefully final set of fixes for v4.4 release cycle.
There's a fix for a regression on dwc3 caused by recent changes to how
transfers are started. We're not pre-starting interrupt endpoints
anymore.
A NULL pointer dereference fix for the MSM phy driver.
The UVC gadget got a minor fix for permissions to its configfs
attributes and, finally, two fixes for MUSB. A fix for PM runtime when
MUSB returns EPROBE_DEFER and a fix to actually return an error in case
we can't initialize a DMA engine.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Pull vfs fixes from Al Viro:
"A couple of fixes, both -stable fodder (9p one all way back to 2.6.32,
dio - to all branches where "Fix negative return from dio read beyond
eof" will end up it; it's a fixup to commit marked for -stable)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix the regression from "direct-io: Fix negative return from dio read beyond eof"
9p: ->evict_inode() should kick out ->i_data, not ->i_mapping
MSI
Only use the generic MSI layer when domain is hierarchical (Marc Zyngier)
Altera host bridge driver
Fix loop in tlp_read_packet() (Dan Carpenter)
Fix Requester ID for config accesses (Ley Foon Tan)
Check TLP completion status (Ley Foon Tan)
Fix error when INTx is 4 (Ley Foon Tan)
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Merge tag 'pci-v4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"These are more fixes I'd like to have in v4.4. Several for the Altera
driver added for v4.4, and one for an MSI domain problem that affects
several arm64 platforms:
MSI:
- Only use the generic MSI layer when domain is hierarchical (Marc
Zyngier)
Altera host bridge driver:
- Fix loop in tlp_read_packet() (Dan Carpenter)
- Fix Requester ID for config accesses (Ley Foon Tan)
- Check TLP completion status (Ley Foon Tan)
- Fix error when INTx is 4 (Ley Foon Tan)"
* tag 'pci-v4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: altera: Fix error when INTx is 4
PCI: altera: Check TLP completion status
PCI: altera: Fix Requester ID for config accesses
PCI: altera: Fix loop in tlp_read_packet()
PCI/MSI: Only use the generic MSI layer when domain is hierarchical
The Alienware 17 (2015) has the same card and pin configuration of the
Alienware 15, so the same quirks must be applied.
Signed-off-by: Gabriele Martino <g.martino@gmx.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
