The Polaroid mid2809pxe04 tablet uses an sdio esp8089 wifi chip, so
ehci0 is not used and should be disabled.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Now that we've all the necessary bits in place we can enable
full otg support on these tablets.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Now that we've all the necessary bits in place we can enable
full otg support on these tablets.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Add a node describing the drivebus regulator which is an (optional)
part of the axp221/axp223 pmic. Since this regulator may not be
available at all depending on the board, mark it as disabled by
default.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Add a node describing the (optional) usbpower-supply of the
axp221 / axp223 pmic.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Use of these as regulators conflicts with use of the gpio pins as
gpios, so disabled the ldo_io# regulators by default, this avoids
the regulator core touching them when the pins are used as gpios.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

No functional change. Re-order sun7i pinctrl nodes alphabetically.
Signed-off-by: NAleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

No functional change. Re-order sun4i pinctrl nodes alphabetically.
Signed-off-by: NAleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Update the simplefb nodes for hdmi / tv-encoder out to point to
tcon0_ch1 instead of tcon0_ch0 as tcon clock.

While at it fix the clocks lines being longer than 80 chars.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Acked-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Update the simplefb nodes for hdmi / tv-encoder out to point to
tcon0_ch1 instead of tcon0_ch0 as tcon clock.

While at it fix the clocks lines being longer than 80 chars.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Acked-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

It seems that recent kernels have a shorter timeout when scanning for
ethernet phys causing us to hit a timeout on boards where the phy's
regulator gets enabled just before scanning, which leads to non working
ethernet.

A 10ms startup delay seems to be enough to fix it, this commit adds a
20ms startup delay just to be safe.

This has been tested on a sun4i-a10-a1000 and sun5i-a10s-wobo-i5 board,
both of which have non-working ethernet on recent kernels without this
fix.

Cc: stable@vger.kernel.org
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

sunxi-common-regulators.dtsi provided dummy regulators vcc3v0, vcc3v3,
vcc5v0. 3.0V/3.3V and 5.0V are commonly used voltages in Allwinner
devices. These dummy regulators provide a stand-in when bindings that
require one, but the real regulator is not supported yet.

Since these are no longer needed, we can drop the include file.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

sunxi-common-regulators.dtsi provided dummy regulators vcc3v0, vcc3v3,
vcc5v0. 3.0V/3.3V and 5.0V are commonly used voltages in Allwinner
devices. These dummy regulators provide a stand-in when bindings that
require one, but the real regulator is not supported yet.

Since these are no longer needed, we can drop the include file by
copying over reg_usb1_vbus.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

It seems that the wifi chip is powered by both ldo3 and ldo4 tied
together and that using only one results in the wifi-chip dropping of
the USB bus sometimes.

Ideally we would have a proper way of modelling this (this is being
worked on), but currently we do not. This is not an issue since we need
to keep these regulators always-on anyways, due to these boards
crashing when ldo3/4 get turned back on after having been turned off.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The BPI-M2+ is an H3 development board. It is a smaller form factor than
the original BPI-M2, with the new H3 SoC.

It has 1GB DRAM, 8GB eMMC, a micro SD card slot, HDMI output, 2 USB
host connector and 1 USB OTG connector, an IR receiver, WiFi+BT based
on Ampak AP6212.

The board also has a 3 pin header for (debug) UART, a 40 pin GPIO header
based on the Raspberry Pi B+, but the peripheral signals are not the
same, and an FPC connector for connecting BPI's camera.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Add uart1 pins for 4 pin (RX/TX/RTS/CTS) mode.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Move uart0 pins to sort the list of pin settings in alphabetical order.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The AXP809 PMIC is the primary PMIC. It provides various supply voltages
for the SoC and other peripherals. The PMIC's interrupt line is connected
to NMI pin of the SoC.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The AXP809 PMIC is the primary PMIC. It provides various supply voltages
for the SoC and other peripherals. The PMIC's interrupt line is
connected to NMI pin of the SoC.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The AXP809 PMIC is used with the Allwinner A80 SoC, along with
an AXP806 PMIC as a slave.

This patch adds a dtsi file for all the common bindings and default
values unrelated to board design. Currently this is just listing all
the regulator nodes. The regulators are initialized based on their
device node names.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

spi2 is available on the UEXT connector
Signed-off-by: NMichal Suchanek <hramrach@gmail.com>
[Maxime: Fixed the node order]
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Used on A10s Olinuxino.
Signed-off-by: NMichal Suchanek <hramrach@gmail.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Q8 form factor A13 tablets have a 7" LCD panel. Unfortunately we
don't know the exact model of the panel. Just pick a panel with
display timings close to what we know.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The Q8 tablets use the audio codec to provide audio output via a
headphone jack or a small mono speaker. A GPIO output is used to
control speaker amp.

The tablets may or may not have an internal microphone.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

On the A13 Q8 tablets, the PMIC's USB power supply (VBUS) is connected
to the external OTG port. This can be used to provide power and OTG VBUS
sensing.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The output pin of LDO is also a GPIO pin, and the on/off settings of the
regulator are actually pinmux settings.

Disable it by default so it doesn't conflict with GPIO usage.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Most of the display engine is shared between the R8 and the A13. Move the
common parts to the Á13 DTSI.
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The RGB bus can be used in several configurations, one of which being the
RGB666.

Add a pinctrl group for that case.
Acked-by: NChen-Yu Tsai <wens@csie.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Enable the display and TCON clocks that are needed to drive the display
engine, tcon and TV encoders.
Signed-off-by: NPriit Laes <plaes@plaes.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Enable the display and TCON clocks that are needed to drive the display
engine, tcon and TV encoders.
Signed-off-by: NPriit Laes <plaes@plaes.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Fix pll3x2 and pll7x2 not having a parent clock, specifically this
fixes the kernel turning of pll3 while simplefb is using it when
uboot has configured things to use pll3x2 as lcd ch clk parent.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Now that we've a clock node describing pll3 we must add it to the
simplefb nodes clocks lists to avoid it getting turned off when
simplefb is used.

This fixes the screen going black when using simplefb.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The sun4i-timer driver registers its sched_clock only if the machine is
compatible with "allwinner,sun5i-a13", "allwinner,sun5i-a10s" or
"allwinner,sun4i-a10".
Add the missing "allwinner,sun5i-a13" string to the machine compatible.
Signed-off-by: NBoris Brezillon <boris.brezillon@free-electrons.com>
Fixes: 465a225f ("ARM: sun5i: Add C.H.I.P DTS")
Cc: <stable@vger.kernel.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

The self-test was updated to cover zero-length strings; the function
needs to be updated, too.
Reported-by: NGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NGeorge Spelvin <linux@sciencehorizons.net>
Fixes: fcfd2fbf ("fs/namei.c: Add hashlen_string() function")
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

The original name was simply hash_string(), but that conflicted with a
function with that name in drivers/base/power/trace.c, and I decided
that calling it "hashlen_" was better anyway.

But you have to do it in two places.

[ This caused build errors for architectures that don't define
  CONFIG_DCACHE_WORD_ACCESS   - Linus ]
Signed-off-by: NGeorge Spelvin <linux@sciencehorizons.net>
Reported-by: NGuenter Roeck <linux@roeck-us.net>
Fixes: fcfd2fbf ("fs/namei.c: Add hashlen_string() function")
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

The HPFS filesystem used generic_show_options to produce string that is
displayed in /proc/mounts.  However, there is a problem that the options
may disappear after remount.  If we mount the filesystem with option1
and then remount it with option2, /proc/mounts should show both option1
and option2, however it only shows option2 because the whole option
string is replaced with replace_mount_options in hpfs_remount_fs.

To fix this bug, implement the hpfs_show_options function that prints
options that are currently selected.
Signed-off-by: NMikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Commit c8f33d0b ("affs: kstrdup() memory handling") checks if the
kstrdup function returns NULL due to out-of-memory condition.

However, if we are remounting a filesystem with no change to
filesystem-specific options, the parameter data is NULL.  In this case,
kstrdup returns NULL (because it was passed NULL parameter), although no
out of memory condition exists.  The mount syscall then fails with
ENOMEM.

This patch fixes the bug.  We fail with ENOMEM only if data is non-NULL.

The patch also changes the call to replace_mount_options - if we didn't
pass any filesystem-specific options, we don't call
replace_mount_options (thus we don't erase existing reported options).

Fixes: c8f33d0b ("affs: kstrdup() memory handling")
Signed-off-by: NMikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org	# v4.1+
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Commit ce657611 ("hpfs: kstrdup() out of memory handling") checks if
the kstrdup function returns NULL due to out-of-memory condition.

However, if we are remounting a filesystem with no change to
filesystem-specific options, the parameter data is NULL.  In this case,
kstrdup returns NULL (because it was passed NULL parameter), although no
out of memory condition exists.  The mount syscall then fails with
ENOMEM.

This patch fixes the bug.  We fail with ENOMEM only if data is non-NULL.

The patch also changes the call to replace_mount_options - if we didn't
pass any filesystem-specific options, we don't call
replace_mount_options (thus we don't erase existing reported options).

Fixes: ce657611 ("hpfs: kstrdup() out of memory handling")
Signed-off-by: NMikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Pull more MIPS updates from Ralf Baechle:
 "This is the secondnd batch of MIPS patches for 4.7. Summary:

  CPS:
   - Copy EVA configuration when starting secondary VPs.

  EIC:
   - Clear Status IPL.

  Lasat:
   - Fix a few off by one bugs.

  lib:
   - Mark intrinsics notrace.  Not only are the intrinsics
     uninteresting, it would cause infinite recursion.

  MAINTAINERS:
   - Add file patterns for MIPS BRCM device tree bindings.
   - Add file patterns for mips device tree bindings.

  MT7628:
   - Fix MT7628 pinmux typos.
   - wled_an pinmux gpio.
   - EPHY LEDs pinmux support.

  Pistachio:
   - Enable KASLR

  VDSO:
   - Build microMIPS VDSO for microMIPS kernels.
   - Fix aliasing warning by building with `-fno-strict-aliasing' for
     debugging but also tracing them might result in recursion.

  Misc:
   - Add missing FROZEN hotplug notifier transitions.
   - Fix clk binding example for varioius PIC32 devices.
   - Fix cpu interrupt controller node-names in the DT files.
   - Fix XPA CPU feature separation.
   - Fix write_gc0_* macros when writing zero.
   - Add inline asm encoding helpers.
   - Add missing VZ accessor microMIPS encodings.
   - Fix little endian microMIPS MSA encodings.
   - Add 64-bit HTW fields and fix its configuration.
   - Fix sigreturn via VDSO on microMIPS kernel.
   - Lots of typo fixes.
   - Add definitions of SegCtl registers and use them"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (49 commits)
  MIPS: Add missing FROZEN hotplug notifier transitions
  MIPS: Build microMIPS VDSO for microMIPS kernels
  MIPS: Fix sigreturn via VDSO on microMIPS kernel
  MIPS: devicetree: fix cpu interrupt controller node-names
  MIPS: VDSO: Build with `-fno-strict-aliasing'
  MIPS: Pistachio: Enable KASLR
  MIPS: lib: Mark intrinsics notrace
  MIPS: Fix 64-bit HTW configuration
  MIPS: Add 64-bit HTW fields
  MAINTAINERS: Add file patterns for mips device tree bindings
  MAINTAINERS: Add file patterns for mips brcm device tree bindings
  MIPS: Simplify DSP instruction encoding macros
  MIPS: Add missing tlbinvf/XPA microMIPS encodings
  MIPS: Fix little endian microMIPS MSA encodings
  MIPS: Add missing VZ accessor microMIPS encodings
  MIPS: Add inline asm encoding helpers
  MIPS: Spelling fix lets -> let's
  MIPS: VR41xx: Fix typo
  MIPS: oprofile: Fix typo
  MIPS: math-emu: Fix typo
  ...