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Commit 29bb45f25ff3 (regmap-mmio: Use native endianness for read/write)
attempted to fix some long standing bugs in the MMIO implementation for
big endian systems caused by duplicate byte swapping in both regmap and
readl()/writel() which affected MIPS systems as when they are in big
endian mode they flip the endianness of all registers in the system, not
just the CPU. MIPS systems had worked around this by declaring regmap
using IPs as little endian which is inaccurate, unfortunately the issue
had not been reported.
Sadly the fix makes things worse rather than better. By changing the
behaviour to match the documentation it caused behaviour changes for
other IPs which broke them and by using the __raw I/O accessors to avoid
the endianness swapping in readl()/writel() it removed some memory
ordering guarantees and could potentially generate unvirtualisable
instructions on some architectures.
Unfortunately sorting out all this mess in any half way sensible fashion
was far too invasive to go in during an -rc cycle so instead let's go
back to the old broken behaviour for v4.5, the better fixes are already
queued for v4.6. This does mean that we keep the broken MIPS DTs for
another release but that seems the least bad way of handling the
situation.
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix the doubled "started" and tidy up the following sentences.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"The first real batch of fixes for this release cycle, so there are a
few more than usual.
Most of these are fixes and tweaks to board support (DT bugfixes,
etc). I've also picked up a couple of small cleanups that seemed
innocent enough that there was little reason to wait (const/
__initconst and Kconfig deps).
Quite a bit of the changes on OMAP were due to fixes to no longer
write to rodata from assembly when ARM_KERNMEM_PERMS was enabled, but
there were also other fixes.
Kirkwood had a bunch of gpio fixes for some boards. OMAP had RTC
fixes on OMAP5, and Nomadik had changes to MMC parameters in DT.
All in all, mostly the usual mix of various fixes"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (46 commits)
ARM: multi_v7_defconfig: enable DW_WATCHDOG
ARM: nomadik: fix up SD/MMC DT settings
ARM64: tegra: Add chosen node for tegra132 norrin
ARM: realview: use "depends on" instead of "if" after prompt
ARM: tango: use "depends on" instead of "if" after prompt
ARM: tango: use const and __initconst for smp_operations
ARM: realview: use const and __initconst for smp_operations
bus: uniphier-system-bus: revive tristate prompt
arm64: dts: Add missing DMA Abort interrupt to Juno
bus: vexpress-config: Add missing of_node_put
ARM: dts: am57xx: sbc-am57x: correct Eth PHY settings
ARM: dts: am57xx: cl-som-am57x: fix CPSW EMAC pinmux
ARM: dts: am57xx: sbc-am57x: fix UART3 pinmux
ARM: dts: am57xx: cl-som-am57x: update SPI Flash frequency
ARM: dts: am57xx: cl-som-am57x: set HOST mode for USB2
ARM: dts: am57xx: sbc-am57x: fix SB-SOM EEPROM I2C address
ARM: dts: LogicPD Torpedo: Revert Duplicative Entries
ARM: dts: am437x: pixcir_tangoc: use correct flags for irq types
ARM: dts: am4372: fix irq type for arm twd and global timer
ARM: dts: at91: sama5d4 xplained: fix phy0 IRQ type
...
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The watchdog timer on the SoCFPGA platform is the Synopsys Designware watchdog.
Enable CONFIG_DW_WATCHDOG for the driver to get built.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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The DTSI file for the Nomadik does not properly specify how the
PL180 levelshifter is connected: the Nomadik actually needs all
the five st,sig-dir-* flags set to properly control all lines out.
Further this board supports full power cycling of the card, and
since this variant has no hardware clock gating, it needs a
ridiculously low frequency setting to keep up with the ever
overflowing FIFO.
The pin configuration set-up is a bit of a mystery, because of
course these pins are a mix of inputs and outputs. However the
reference implementation sets all pins to "output" with
unspecified initial value, so let's do that here as well.
Cc: stable@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into fixes
vexpress fixes for v4.5
Couple of minor fixes for vexpress platforms:
1. Add missing of_node_put in vexpress config bus
2. Add missing DMA-330 abort interrupt on Juno platforms
* tag 'vexpress-for-v4.5/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
arm64: dts: Add missing DMA Abort interrupt to Juno
bus: vexpress-config: Add missing of_node_put
Signed-off-by: Olof Johansson <olof@lixom.net>
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The DMA-330 has an "irq_abort" interrupt line on which it signals faults
separately from the "irq[n:0]" channel interrupts. On Juno, this is
wired up to SPI 92; add it to the DT so that DMAC faults are correctly
reported for the driver to reset the thing, rather than leaving it
locked up and waiting to time out.
CC: Liviu Dudau <liviu.dudau@arm.com>
CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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for_each_compatible_node performs an of_node_get on each iteration, so
to break out of the loop an of_node_put is required.
Found using Coccinelle. The semantic patch used for this is as follows:
// <smpl>
@@
expression e;
local idexpression n;
@@
for_each_compatible_node(n, ...) {
... when != of_node_put(n)
when != e = n
(
return n;
+ of_node_put(n);
? return ...;
)
...
}
// </smpl>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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mvebu fixes for 4.5 (part 1)
- Fix dts on buffalo linksations machines (gpios and leds)
- Fix dts partition node according to new binding introduced in v4.5
* tag 'mvebu-fixes-4.5-1' of git://git.infradead.org/linux-mvebu:
ARM: dts: orion5x: gpio pin fixes for linkstation lswtgl
ARM: dts: kirkwood: gpio-leds fixes for linkstation ls-wvl/vl
ARM: dts: kirkwood: gpio-leds fixes for linkstation ls-wxl/wsxl
ARM: dts: kirkwood: gpio pin fixes for linkstation ls-wvl/vl
ARM: dts: kirkwood: gpio pin fixes for linkstation ls-wxl/wsxl
ARM: mvebu: ix4-300d: Add compatible property to "partitions" node
ARM: mvebu: kirkwood: Add compatible property to "partitions" node
Signed-off-by: Olof Johansson <olof@lixom.net>
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Here're a few gpio pin related fixes:
- remove pinctrl-0 definition from pinctrl, since those pins are used
in other places such as gpio-fan and regulators.
- keep initial state of power led
- fix for alarm pin of gpio-fan.
Fixes: dc57844a736f ("ARM: dts: orion5x: add buffalo linkstation ls-wtgl")
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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The GPIOs controlling the LEDs, listed below, are active high, not low:
- gpio-leds: "lswvl:red:alarm" pin
- gpio-leds: "lswvl:red:func" pin
- gpio-leds: "lswvl:amber:info" pin
- gpio-leds: "lswvl:blue:func" pin
- gpio-leds: "lswvl:red:hdderr{0,1}" pin
Fixes: c43379e150aa ("ARM: dts: add buffalo linkstation ls-wvl/vl")
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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The GPIOs controlling the LEDs, listed below, are active high, not low:
- gpio-leds: "lswxl:blue:power" pin
- gpio-leds: "lswxl:red:func" pin
- gpio-leds: "lswxl:red:hdderr{0,1}" pin
Fixes: e54e4b1b622e ("ARM: dts: add buffalo linkstation ls-wxl/wsxl")
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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For kirkwood, gpio pins starts from 32 are in the 2nd bank, so it should be
converted to "gpio1 <pin minus 32>" in dts file.
e.g. gpio 40 should be "gpio1 8"
The pin/bank issue was found when discussing Debian Bug #810894
[https://bugs.debian.org/810894#47]
Fixes: c43379e150aa ("ARM: dts: add buffalo linkstation ls-wvl/vl")
Reported-by: Arnaud Patard (Rtp) <arnaud.patard@rtp-net.org>
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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For kirkwood, gpio pins starts from 32 are in the 2nd bank, so it should be
converted to "gpio1 <pin minus 32>" in dts file.
e.g. gpio 40 should be "gpio1 8"
Besides, a few other pin fixes for ls-wxl/wsxl, to match with mpp pin
definition:
- gpio-leds: "lswxl:blue:power" pin
- gpio-leds: "lswxl:red:func" pin
- gpio-leds: "lswxl:red:hdderr0" pin
- gpio-leds: "lswxl:red:hdderr1" pin
- gpio-fan: low/high/alarm pin
The pin/bank issue was found when discussing Debian Bug #810894
[https://bugs.debian.org/810894#47]
Fixes: e54e4b1b622e ("ARM: dts: add buffalo linkstation ls-wxl/wsxl")
Reported-by: Arnaud Patard (Rtp) <arnaud.patard@rtp-net.org>
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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As of commit e488ca9f8d4f62c2 ("doc: dt: mtd: partitions: add compatible
property to "partitions" node"), the "partitions" subnode of an SPI
FLASH device node must have a compatible property. The partitions are no
longer detected if it is not present.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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As of commit e488ca9f8d4f62c2 ("doc: dt: mtd: partitions: add compatible
property to "partitions" node"), the "partitions" subnode of an SPI
FLASH device node must have a compatible property. The partitions are no
longer detected if it is not present.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omaps with the most intrusive stuff being read-only data
assembly fixes, the other things are mostly board related:
- A series of omap assembly code fixes to fix issues with rodata with
ARM_KERNMEM_PERMS enabled. We had several places writing to rodata,
which is bad. The fix in most cases is to load the value from data
section using a pointer. Let's also enable ARM_KERNMEM_PERMS so
DEBUG_RODATA gets selected by default. And while testing things,
I also added few more loadable driver modules to the defconfig that
I seem to need quite often.
- Fix a long standing omap5 RTC mystery and enable RTC where we need
to ensure the SoC msecure pin is high so we can write to the RTC
registers.
- Fix irq types for am437x
- A series of minor dts fixes for sbc-am57x and cl-som-am57x
- Fixes for torpedo dts to make WLAN behave and to remove a duplicate
i2c rate entry
This series also includes few minor changes that are not stricly
fixes, but would be good to get in during the early -rc cycle:
- Remove legacy mailbox platform data that is no longer needed
- Add the pdata-quirks needed for the new pwm-omap-dmtimer so
people can use it
- Enable ti,mbox-send-noirq that's needed by wkup_m3 driver
- Enable SPLIT and DWARF4 in omap2plus_defconfig as it makes the
initramfs quite a bit smaller
* tag 'omap-for-v4.5/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (23 commits)
ARM: dts: am57xx: sbc-am57x: correct Eth PHY settings
ARM: dts: am57xx: cl-som-am57x: fix CPSW EMAC pinmux
ARM: dts: am57xx: sbc-am57x: fix UART3 pinmux
ARM: dts: am57xx: cl-som-am57x: update SPI Flash frequency
ARM: dts: am57xx: cl-som-am57x: set HOST mode for USB2
ARM: dts: am57xx: sbc-am57x: fix SB-SOM EEPROM I2C address
ARM: dts: LogicPD Torpedo: Revert Duplicative Entries
ARM: dts: am437x: pixcir_tangoc: use correct flags for irq types
ARM: dts: am4372: fix irq type for arm twd and global timer
ARM: dts: Fix wl12xx missing clocks that cause hangs
ARM: OMAP: Add PWM dmtimer platform data quirks
ARM: omap2plus_defconfig: Enable ARM_KERNMEM_PERMS and few loadable modules
ARM: OMAP2+: Fix ppa_zero_params and ppa_por_params for rodata
ARM: OMAP2+: Fix l2_inv_api_params for rodata
ARM: OMAP2+: Fix save_secure_ram_context for rodata
ARM: OMAP2+: Fix l2dis_3630 for rodata
ARM: OMAP2+: Fix wait_dll_lock_timed for rodata
ARM: OMAP2+: Remove legacy mailbox device instantiation
ARM: dts: AM4372: Add ti,mbox-send-noirq to wkup_m3 mailbox
ARM: dts: AM33xx: Add ti,mbox-send-noirq to wkup_m3 mailbox
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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Update Eth PHY settings to make it possible to run both phys at 1Gbps.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Fix CPSW EMAC pinmux
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Fix UART3 pinmux.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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On-board SPI flash cat act at 48Mhz SPI bus frequency.
Update the DT frequency property.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Setup USB2 to act in "HOST" mode by default.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Fix SB-SOM EEPROM I2C address
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Revert commit 7cd6ca770d1b ("ARM: dts: Change I2C2 and I2C3 to 400KHz
for LogicPD Torpedo DM3730 devkit") It was already done and it is
just a duplicate.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Now IRQs for Pixcir Tangoc touchscreen are defined using
IRQ_TYPE_NONE in am437x-gp-evm.dts and am43x-epos-evm.dts wich
do not correspond HW.
Hence, update am437x-gp-evm.dts and am43x-epos-evm.dts files
and use correct flag IRQ_TYPE_EDGE_FALLING for irq types.
While here, remove duplicated irq declaration for pixcir_ts@5c node
in am437x-gp-evm.dts.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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As per ARM documentation
PPI(0) ID27 - global timer interrupt is rising-edge sensitive.
PPI(2) ID29 - twd interrupt is rising-edge sensitive.
and the same is proved by GIC distributor register value
GIC_DIST_CONFIG(0xC04) = 0x7DC00000.
Hence, set IRQ triggering type to IRQ_TYPE_EDGE_RISING
for ARM TWD and Global timers.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The tcxo-clock-frequency binding is listed as optional,
but without it the wl12xx used on the torpedo + wireless
may hang. Scanning also appears broken without this patch.
Signed-off-by: Adam Ford <aford173@gmail.com>
Fixes: 687c27676151 ("ARM: dts: Add minimal support for LogicPD
Torpedo DM3730 devkit")
Cc: stable@vger.kernel.org # v4.2+
Signed-off-by: Tony Lindgren <tony@atomide.com>
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In order to set the currently platform dependent dmtimer
functions pointers as platform data for the pwm-omap-dmtimer
platform driver, add it to plat-omap auxdata_lookup table.
Suggested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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With recent omap assembly fixes for CONFIG_DEBUG_RODATA, we can
now use DEBUG_RODATA. Let's enable ARM_KERNMEM_PERMS so that
DEBUG_RODATA gets selected by default. This way we can make sure
any related issues are caught early.
And while testing things on various devices, I noticed we're
missing few loadable modules to make things more usable:
- USB Ethernet for smsc75xx, we only have smsc97xx right now
- Basic USB serial drivers for things like ftdi and pl2303 ports
- Blinking leds with pca963x
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We don't want to write to .text so let's move ppa_zero_params and
ppa_por_params to .data and access them via pointers.
Note that I have not been able to test as we I don't have a HS
omap4 to test with. The code has been changed in similar way as
for omap3 though.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a95 ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We don't want to write to .text, so let's move l2_inv_api_params
to .data and access it via a pointer.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a95 ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We don't want to write to .text and we can move save_secure_ram_context
into .data as it all gets copied into SRAM anyways.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a95 ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We don't want to write to .text section. Let's move l2dis_3630
to .data and access it via a pointer.
For calculating the offset, let's optimize out the add and do it
in ldr/str as suggested by Nicolas Pitre <nicolas.pitre@linaro.org>.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: stable@vger.kernel.org # v4.0+
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a95 ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We don't want to be writing to .text so it can be set rodata.
Fix error "Unable to handle kernel paging request at virtual address
c012396c" in wait_dll_lock_timed if CONFIG_DEBUG_RODATA is selected.
As these counters are for debugging only and unused, we can just
remove them.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a95 ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The legacy-style mailbox device creation is supported currently
only for OMAP3, as all other SoCs are DT-boot only. Even on this
SoC, there are no client drivers that utilize these mailbox devices.
So, clean up the legacy-style mailbox device instantiation logic.
The mailbox devices are already present and supported for the DT
boot on OMAP3.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add ti,mbox-send-noirq to wkup_m3 mailbox so that messages using
wkup_m3 mailbox are sent without triggering any further interrupts.
This is required to be able to send multiple messages to the WkupM3
after the mailbox usage logic adjustment in the wkup_m3_ipc driver.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Dave Gerlach <d-gerlach@ti.com>
[s-anna@ti.com: revise commit description]
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add ti,mbox-send-noirq to wkup_m3 mailbox so that messages using
wkup_m3 mailbox are sent without triggering any further interrupts.
This is needed to achieve lower power numbers during CPU idle on
AM33xx.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[s-anna@ti.com: revise commit description]
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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CONFIG_DEBUG_INFO_SPLIT will split debug info on
.dwo files. This will generate a smaller vmlinux and
smaller .ko modules, which will be easier to ship on
certain products.
CONFIG_DEBUG_INFO_DWARF4 will generate debug info in
DWARF4 format, which ends up being larger, but
improves the probability of resolving variables in
optmized code.
Signed-off-by: Felipe Balbi <balbi@ti.com>
[tony@atomide.com: this makes initramfs quite a bit smaller]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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tested on OMP5432 EVM
Cc: stable@vger.kernel.org # v4.4
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The palmas PMIC has two control lines that need to be muxed properly
for things to work. The sys_nirq pin is used for interrupts, and msecure
pin is used for enabling writes to some PMIC registers.
Without these pins configured properly things can fail in mysterious
ways. For example, we can't update the RTC registers on palmas PMIC
unless the msecure pin is configured. And this is probably the reason
why we had RTC missing from the omap5 dts file.
According to "OMAP5430 ES2.0 Data Manual [Public] VErsion A (Rev. F)"
swps052f.pdf, mux mode 1 is for sys_drm_msecure so in theory there's
should be no need to configure it as a GPIO pin.
However, it seems there are some reliability issues using the msecure
mux mode. And the TI trees configure the msecure pin as GPIO out high
instead.
As the PMIC only cares that the msecure line is high to allow access
to the RTC registers, let's use a GPIO hog as suggested by Nishanth
Menon <nm@ti.com>. Also the use of the internal pull was considered
but supposedly that may not be capable of keeping the line high in
a noisy environment.
If we ever see high security omap5 products in the mainline tree,
those need to skip the msecure pin muxing and ignore setting the GPIO
hog. Chances are the related pin mux registers are locked in that case
and the msecure pin is managed by whatever software may be running in
the ARM TrustZone.
Who knows what the original intention of the msecure pin was. Maybe
it was supposed to prevent the system time to be set back for some
game demo modes to time out? Anyways, it seems that later PMICs like
tps659037 have recycled this pin for "powerhold" and devices like
beagle-x15 do not need changes to the msecure pin configuration.
To avoid further confusion with TWL variant PMICs, beagle-x15 does
not have a back-up battery for RTC palmas. Instead the mcp79410 RTC
is used with rtc-ds1307 driver. There is a "powerhold" jumper j5
holes near the palmas PMIC, and shorting it seems to power up
beagle-x15 automatically. It is unknown if it also has other side
effects to the beagle-x15 power up sequence.
Cc: stable@vger.kernel.org # v4.4
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes
First fixes for 4.5. Only DT changes:
- sama5d4: error in DBGU index
- addition of phy properties in several boards
- at91sam9n12ek fix a panel compatible string
* tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
ARM: dts: at91: sama5d4 xplained: fix phy0 IRQ type
ARM: dts: at91: sama5d4 xplained: properly mux phy interrupt
ARM: dts: at91: sama5d4ek: add phy address and IRQ for macb0
ARM: dts: at91: sama5d2 xplained: add phy address and IRQ for macb0
ARM: dts: at91: at91sam9n12ek: fix panel compatible string
ARM: dts: at91: sama5d4: fix instance id of DBGU
Signed-off-by: Olof Johansson <olof@lixom.net>
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For phy0 KSZ8081, the type of GPIO IRQ should be "level low" instead of
"edge falling".
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Fixes: 38153a017896 ("ARM: at91/dt: sama5d4: add dts for sama5d4 xplained board")
Cc: <stable@vger.kernel.org> # 4.1+
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No interrupt were received from the phy because PIOE 1 may not be properly
muxed. It prevented proper link detection, especially since commit
321beec5047a ("net: phy: Use interrupts when available in NOLINK state")
disables polling.
Cc: <stable@vger.kernel.org> # 4.4
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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On SAMA5D4EK board, the Ethernet doesn't work after resuming from the suspend
state.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
[nicolas.ferre@atmel.com: adapt to newer kernel]
Fixes: 38153a017896 ("ARM: at91/dt: sama5d4: add dts for sama5d4 xplained board")
Cc: <stable@vger.kernel.org> # 4.1+
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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After 57a38effa598 (net: phy: micrel: disable broadcast for KSZ8081/KSZ8091)
the macb0 interface has difficulties to come back from power saving mode if
address not explicitly set up.
As the micrel phy on the board is actually configured to show up at address 1
we use this explicitly.
Adding the phy node and its real address fixes the issue.
The phy IRQ and associated pinmux node is also added.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: stable@vger.kernel.org # 4.4+ // manual merge needed
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Properly use qiaodian as the vendor prefix for the panel.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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Change instance id of DBGU to 45.
Signed-off-by: Mohamed Jamsheeth Hajanajubudeen <mohamedjamsheeth.hajanajubudeen@atmel.com>
Fixes: 7c661394c56c ("ARM: at91: dt: add device tree file for SAMA5D4 SoC")
Cc: stable@vger.kernel.org # 3.18+
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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The NVIDIA bootloader, nvtboot, expects the "chosen" node to be present
in the device-tree blob and if it is not then it fails to boot the kernel.
Add the chosen node so we can boot the kernel on Tegra132 Norrin with the
nvtboot bootloader.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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