Commit Graph

51105 Commits

Author SHA1 Message Date
Arnd Bergmann
da984d7540 mvebu fixes for 4.14 (part 3)
Fixing an old stability issue on Cortex A9 based mvebu SoC
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Merge tag 'mvebu-fixes-4.14-3' of git://git.infradead.org/linux-mvebu into fixes

Pull "mvebu fixes for 4.14 (part 3)" from Gregory CLEMENT:

Fixing an old stability issue on Cortex A9 based mvebu SoC

* tag 'mvebu-fixes-4.14-3' of git://git.infradead.org/linux-mvebu:
  ARM: dts: mvebu: pl310-cache disable double-linefill
2017-10-30 15:55:12 +01:00
Arnd Bergmann
36a247ba72 UniPhier ARM SoC fixes for v4.14
- Add necessary clock to EHCI node
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Merge tag 'uniphier-fixes-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier into fixes

Pull "UniPhier ARM SoC fixes for v4.14" from Masahiro Yamada:

- Add necessary clock to EHCI node

* tag 'uniphier-fixes-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier:
  arm64: dts: uniphier: add STDMAC clock to EHCI nodes
  ARM: dts: uniphier: add STDMAC clock to EHCI nodes
2017-10-30 10:20:45 +01:00
Linus Torvalds
11224e1fc4 xen: fixes for 4.14-rc7
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Merge tag 'for-linus-4.14c-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:

 - a fix for the Xen gntdev device repairing an issue in case of partial
   failure of mapping multiple pages of another domain

 - a fix of a regression in the Xen balloon driver introduced in 4.13

 - a build fix for Xen on ARM which will trigger e.g. for Linux RT

 - a maintainers update for pvops (not really Xen, but carrying through
   this tree just for convenience)

* tag 'for-linus-4.14c-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  maintainers: drop Chris Wright from pvops
  arm/xen: don't inclide rwlock.h directly.
  xen: fix booting ballooned down hvm guest
  xen/gntdev: avoid out of bounds access in case of partial gntdev_mmap()
2017-10-27 20:41:05 -07:00
Sebastian Andrzej Siewior
a494ee6cfd arm/xen: don't inclide rwlock.h directly.
rwlock.h should not be included directly. Instead linux/splinlock.h
should be included. One thing it does is to break the RT build.

Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel@lists.xenproject.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2017-10-26 16:58:17 -04:00
Yan Markman
cda80a82ac ARM: dts: mvebu: pl310-cache disable double-linefill
Under heavy system stress mvebu SoC using Cortex A9 sporadically
encountered instability issues.

The "double linefill" feature of L2 cache was identified as causing
dependency between read and write which lead to the deadlock.

Especially, it was the cause of deadlock seen under heavy PCIe traffic,
as this dependency violates PCIE overtaking rule.

Fixes: c8f5a878e5 ("ARM: mvebu: use DT properties to fine-tune the L2 configuration")
Cc: stable@vger.kernel.org
Signed-off-by: Yan Markman <ymarkman@marvell.com>
Signed-off-by: Igal Liberman <igall@marvell.com>
Signed-off-by: Nadav Haklai <nadavh@marvell.com>
[gregory.clement@free-electrons.com: reformulate commit log, add Armada
375 and add Fixes tag]
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2017-10-26 17:41:26 +02:00
Linus Torvalds
9c323bff13 Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Three fixes this time around:

   - ensure sparse realises that we're building for a 32-bit arch on
     64-bit hosts.

   - use the correct instruction for semihosting on v7m (nommu) CPUs.

   - reserve address 0 to prevent the first page of memory being used on
     nommu systems"

* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8704/1: semihosting: use proper instruction on v7m processors
  ARM: 8701/1: fix sparse flags for build on 64bit machines
  ARM: 8700/1: nommu: always reserve address 0 away
2017-10-20 18:20:17 -04:00
Arnd Bergmann
6bf99a6cb6 Allwinner fixes for 4.14
Two fixes, one for the A31 DRM binding, and one for a missing regulator on
 the pine MMC controller.
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Merge tag 'sunxi-fixes-for-4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into fixes

Pull "Allwinner fixes for 4.14" from Maxime Ripard:

Two fixes, one for the A31 DRM binding, and one for a missing regulator on
the pine MMC controller.

* tag 'sunxi-fixes-for-4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  ARM: dts: sun6i: Fix endpoint IDs in second display pipeline
  arm64: allwinner: a64: pine64: Use dcdc1 regulator for mmc0
2017-10-20 22:24:48 +02:00
Masahiro Yamada
ad81e78a89 ARM: dts: uniphier: add STDMAC clock to EHCI nodes
Without the STDMAC clock enabled, the USB 2.0 hosts do not work.
This clock must be explicitly listed in the "clocks" property because
it is independent of the other clocks.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-10-21 01:23:58 +09:00
Ulf Hansson
72ecd79386 ARM: ux500: Fix regression while init PM domains
The commit afece3ab9a ("PM / Domains: Add time accounting to various
genpd states") causes a boot regression for ux500.

The problem occurs when the ux500 machine code calls pm_genpd_init(), which
since the above change triggers a call to ktime_get(). More precisely,
because ux500 initializes PM domains in the init_IRQ() phase of the boot,
timekeeping has not yet been initialized.

Fix the problem by moving the initialization of the PM domains to after
timekeeping has been initialized.

Fixes: afece3ab9a ("PM / Domains: Add time accounting to various genpd..")
Cc: Thara Gopinath <thara.gopinath@linaro.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-10-19 17:46:36 +02:00
Linus Walleij
8633e4f2e9 ARM: dts: fix PCLK name on Gemini and MOXA ART
These platforms provide a clock to their watchdog, in each
case this is the peripheral clock (PCLK), so explicitly
name the clock in the device tree.

Take this opportunity to add the "faraday,ftwdt010"
compatible as fallback to the watchdog IP blocks.

Cc: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-10-19 17:45:22 +02:00
Arnd Bergmann
a777713c3a i.MX fixes for 4.14:
- Fix the legacy PCI interrupt numbers for i.MX7.  The numbers were
    wrongly coded in an inverted order than what Reference Manual tells.
    It causes problem for PCI devices using legacy interrupt.
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Merge tag 'imx-fixes-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Pull "i.MX fixes for 4.14" from Shawn Guo:

 - Fix the legacy PCI interrupt numbers for i.MX7.  The numbers were
   wrongly coded in an inverted order than what Reference Manual tells.
   It causes problem for PCI devices using legacy interrupt.

* tag 'imx-fixes-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx7d: Invert legacy PCI irq mapping
2017-10-19 17:41:22 +02:00
Arnd Bergmann
840907f941 mvebu fixes for 4.14 (part 2)
Two device tree related fixes:
 
 - One on Armada 38x using a other compatible string for I2C in order
   to cover an errata.
 
 - One for Armada 7K/8K fixing a typo on interrupt-map property for
   PCIe leading to fail PME and AER root port service initialization
 
 And the last one for the mbus fixing the window size calculation when
 it exceed 32bits
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Merge tag 'mvebu-fixes-4.14-2' of git://git.infradead.org/linux-mvebu into fixes

Pull "mvebu fixes for 4.14 (part 2)" from Gregory CLEMENT

Two device tree related fixes:

- One on Armada 38x using a other compatible string for I2C in order
  to cover an errata.

- One for Armada 7K/8K fixing a typo on interrupt-map property for
  PCIe leading to fail PME and AER root port service initialization

And the last one for the mbus fixing the window size calculation when
it exceed 32bits

* tag 'mvebu-fixes-4.14-2' of git://git.infradead.org/linux-mvebu:
  bus: mbus: fix window size calculation for 4GB windows
  ARM: dts: Fix I2C repeated start issue on Armada-38x
  arm64: dts: marvell: fix interrupt-map property for Armada CP110 PCIe controller
2017-10-19 17:40:11 +02:00
Arnd Bergmann
ca7325a2b1 Fixes: second batch for 4.14:
- one DT phy address fix for the new sama5d27 som1 ek
 - two DT ADC patches that were forgotten while moving to
   hardware triggers for sama5d2 (iio changes already applied)
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Merge tag 'at91-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes

Fixes: second batch for 4.14:
- one DT phy address fix for the new sama5d27 som1 ek
- two DT ADC patches that were forgotten while moving to
  hardware triggers for sama5d2 (iio changes already applied)

* tag 'at91-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: dts: at91: sama5d2: add ADC hw trigger edge type
  ARM: dts: at91: sama5d2_xplained: enable ADTRG pin
  ARM: dts: at91: at91-sama5d27_som1: fix PHY ID
2017-10-19 17:36:08 +02:00
Arnd Bergmann
4cb4261dc2 This pull request contains Broadcom ARM-based SoC Device Tree fixes for 4.14,
please pull the following:
 
 - Loic fixes the console path on the Raspberry Pi 3 which was not correctly set
   and would cause all sorts of confusion between the Bluetooth controller and the
   kernel console
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Merge tag 'arm-soc/for-4.14/devicetree-fixes' of http://github.com/Broadcom/stblinux into fixes

Pull "Broadcom devicetree fixes for 4.14" from Florian Fainelli:

This pull request contains Broadcom ARM-based SoC Device Tree fixes for 4.14,
please pull the following:

- Loic fixes the console path on the Raspberry Pi 3 which was not correctly set
  and would cause all sorts of confusion between the Bluetooth controller and the
  kernel console

* tag 'arm-soc/for-4.14/devicetree-fixes' of http://github.com/Broadcom/stblinux:
  ARM: dts: bcm283x: Fix console path on RPi3
2017-10-19 17:30:31 +02:00
Andrey Smirnov
1c86c9dd82 ARM: dts: imx7d: Invert legacy PCI irq mapping
According to i.MX7D reference manual (Rev. 0.1, table 7-1, page 1221)
legacy PCI interrupt mapping is as follows:

 - PCIE INT A is IRQ 122
 - PCIE INT B is IRQ 123
 - PCIE INT C is IRQ 124
 - PCIE INT D is IRQ 125

Invert the mapping information in corresponding DT node to reflect
that.

Cc: yurovsky@gmail.com
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Fixes: a816d5750e ("ARM: dts: imx7d: Add node for PCIe controller")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-10-14 23:32:51 +08:00
Nicolas Pitre
ee3eaee6a1 ARM: 8704/1: semihosting: use proper instruction on v7m processors
The svc instruction doesn't exist on v7m processors. Semihosting ops are
invoked with the bkpt instruction instead.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2017-10-12 11:28:29 +01:00
Luc Van Oostenryck II
6042b8c7c0 ARM: 8701/1: fix sparse flags for build on 64bit machines
By default sparse uses the characteristics of the build
machine to infer things like the wordsize.
This is fine when doing native builds but for ARM it's,
I suspect, very rarely the case and if the build are done
on a 64bit machine we get a bunch of warnings like:
  'cast truncates bits from constant value (... becomes ...)'

Fix this by adding the -m32 flags for sparse.

Reported-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2017-10-12 11:18:19 +01:00
Nicolas Pitre
195320fd6e ARM: 8700/1: nommu: always reserve address 0 away
Some nommu systems have RAM at address 0. When vectors are not located
there, the very beginning of memory remains available for dynamic
allocations. The memblock allocator explicitly skips the first page
but the standard page allocator does not, and while it correctly returns
a non-null struct page pointer for that page, page_address() gives 0
which gets confused with NULL (out of memory) by callers despite having
plenty of free memory left.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2017-10-12 11:18:17 +01:00
Eugen Hristev
27d90f46f2 ARM: dts: at91: sama5d2: add ADC hw trigger edge type
Added ADTRG edge type property as interrupt edge type value

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
2017-10-09 15:34:22 +02:00
Eugen Hristev
84c70b2395 ARM: dts: at91: sama5d2_xplained: enable ADTRG pin
Enable pinctrl for ADTRG pin (PD31) for ADC hardware trigger support.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
2017-10-09 15:33:53 +02:00
Ludovic Desroches
2f61929eb1 ARM: dts: at91: at91-sama5d27_som1: fix PHY ID
The PHY ID is incorrect. It leads to troubles when resuming from standby
or mem power states.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Fixes: af690fa37e ("ARM: dts: at91: at91-sama5d27_som1: add sama5d27 SoM1 support")
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
2017-10-09 10:08:25 +02:00
Loic Poulain
f08f58a2bf ARM: dts: bcm283x: Fix console path on RPi3
Contrary to other RPi devices, RPi3 uses uart0 to communicate with
the BCM43438 bluetooth controller. uart1 is then used for the console.
Today, the console configuration is inherited from the bcm283x dtsi
(bootargs) which is not the correct one for the RPi3. This leads to
routing issue and confuses the Bluetooth controller with unexpected
data.

This patch introduces chosen/stdout path to configure console to uart0
on bcm283x family and overwrite it to uart1 in the RPi3 dts.

Create serial0/1 aliases referring to uart0 and uart1 paths.
Remove unneeded earlyprintk.

Fixes: 4188ea2aeb ("ARM: bcm283x: Define UART pinmuxing on board level")
Signed-off-by: Loic Poulain <loic.poulain@gmail.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
2017-10-06 13:04:56 -07:00
Olof Johansson
08f8c8808c STM32 fixes for v4.14:
---------------------
 
 -Fix STMPE1600 bindings for stm32429i-eval board
 -Use right compatible for stm32f469 pinctrl. It implies to use
 pinctrl dedicated files for F4 SoCs.
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Merge tag 'stm32-dt-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32 into fixes

STM32 fixes for v4.14:
---------------------

-Fix STMPE1600 bindings for stm32429i-eval board
-Use right compatible for stm32f469 pinctrl. It implies to use
pinctrl dedicated files for F4 SoCs.

* tag 'stm32-dt-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
  ARM: dts: stm32: use right pinctrl compatible for stm32f469
  ARM: dts: stm32: Fix STMPE1600 binding on stm32429i-eval board

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-10-04 10:31:00 -07:00
Alexandre Torgue
2aaae13a9d ARM: dts: stm32: use right pinctrl compatible for stm32f469
Currently, same stm32f429-pinctrl driver is used for stm32f429 and
stm32f469. As pin map is different between those 2 MCUs,
a stm32f469-pinctrl driver has been recently added.
This patch
 -allows to use stm32f469-pinctrl driver for stm32f469 boards
 -reworks stm32 devicetree files to fit with stm32f429 / stm32f469

In the same time it fixes an issue when only MACH_STM32F469 flag is
selected in menuconfig.

Fixes: d28bcd53fa ("ARM: stm32: Introduce MACH_STM32F469 flag")
Reported-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
2017-10-04 15:34:48 +02:00
Alexandre Torgue
4edd8121e5 ARM: dts: stm32: Fix STMPE1600 binding on stm32429i-eval board
To declare gpio interrupt line for STMPE1600, 2 possibilities are offered:
-use gpio binding (and then the gpiolib interface inside driver)
-use interrupt binding as each gpio-controller are also interrupt controller
 on stm32f429.

In STMPE 1600 node both (gpio and interrupt) bindings are defined.
This patch fixes this issue and use only interrupt binding.

Fixes: c04b2e72af ("ARM: dts: stm32: Enable STMPE1600 gpio expander of STM32F429-EVAL board")
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
2017-10-04 11:42:00 +02:00
Olof Johansson
7ea696af44 Fixes for omaps for v4.14-rc cycle
Few minor fixes for omaps, mostly just boot time warning fixes:
 
 - Drop undocumented camera binding that got merged during the merge window by
   accident as I applied before Sakari's comments
 
 - Fix soft reset warning for dra7 kexec boot for gpio1 as the optional clocks
   need to be enabled for reset
 
 - Fix dra7 kexec boot clock rate for McASP as the rate is no longer the default
   rate after kexec
 
 - Fix omap3 pandora MMC warning during boot
 
 - Add am33xx SPI alias like we have on other SoCs
 
 - Remove node for non-existing CPSW EMAC Ethernet on am43xx-epos-evm
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Merge tag 'omap-for-v4.14/fixes-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Fixes for omaps for v4.14-rc cycle

Few minor fixes for omaps, mostly just boot time warning fixes:

- Drop undocumented camera binding that got merged during the merge window by
  accident as I applied before Sakari's comments

- Fix soft reset warning for dra7 kexec boot for gpio1 as the optional clocks
  need to be enabled for reset

- Fix dra7 kexec boot clock rate for McASP as the rate is no longer the default
  rate after kexec

- Fix omap3 pandora MMC warning during boot

- Add am33xx SPI alias like we have on other SoCs

- Remove node for non-existing CPSW EMAC Ethernet on am43xx-epos-evm

* tag 'omap-for-v4.14/fixes-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am43xx-epos-evm: Remove extra CPSW EMAC entry
  ARM: dts: am33xx: Add spi alias to match SOC schematics
  ARM: OMAP2+: hsmmc: fix logic to call either omap_hsmmc_init or omap_hsmmc_late_init but not both
  ARM: dts: dra7: Set a default parent to mcasp3_ahclkx_mux
  ARM: OMAP2+: dra7xx: Set OPT_CLKS_IN_RESET flag for gpio1
  ARM: dts: nokia n900: drop unneeded/undocumented parts of the dts

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-10-03 18:15:58 -07:00
Olof Johansson
5f3daa2393 A fix for random ethernet mac address problem
on DA850 EVM.
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Merge tag 'davinci-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes

A fix for random ethernet mac address problem
on DA850 EVM.

* tag 'davinci-fixes-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: dts: da850-evm: add serial and ethernet aliases

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-10-03 18:09:08 -07:00
Olof Johansson
24f5a731e5 Fixes for 4.14:
- three DT fixes for the newly introduced sama5d27_som1_ek board
 - one treewide modification that didn't touch this new PM code: we
   synchronize now to be coherent with the other ARM platforms
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Merge tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes

Fixes for 4.14:
- three DT fixes for the newly introduced sama5d27_som1_ek board
- one treewide modification that didn't touch this new PM code: we
  synchronize now to be coherent with the other ARM platforms

* tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91: Replace uses of virt_to_phys with __pa_symbol
  ARM: dts: at91: sama5d27_som1_ek: fix USB host vbus
  ARM: dts: at91: sama5d27_som1_ek: fix typos
  ARM: dts: at91: sama5d27_som1_ek: update pinmux/pinconf for LEDs and USB

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-10-03 18:08:27 -07:00
Linus Walleij
0694b2ee87 ARM: defconfig: update Gemini defconfig
This updates the Gemini defconfig with drivers merged
for v4.13 or v4.14:
- ATA driver is merged
- DMA driver is merged
- RTC driver gets selected from default Kconfig

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2017-10-03 18:08:05 -07:00
Arnd Bergmann
e4c77f8b9b ARM: defconfig: FRAMEBUFFER_CONSOLE can no longer be =m
It is no longer possible to load this at runtime, so let's
change the few remaining users to have it built-in all
the time.

arch/arm/configs/zeus_defconfig:115:warning: symbol value 'm' invalid for FRAMEBUFFER_CONSOLE
arch/arm/configs/viper_defconfig:116:warning: symbol value 'm' invalid for FRAMEBUFFER_CONSOLE
arch/arm/configs/pxa_defconfig:474:warning: symbol value 'm' invalid for FRAMEBUFFER_CONSOLE

Reported-by: kernelci.org bot <bot@kernelci.org>
Fixes: 6104c37094 ("fbcon: Make fbcon a built-time depency for fbdev")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2017-10-03 18:06:27 -07:00
Kalyan Kinthada
fbffee7498 ARM: dts: Fix I2C repeated start issue on Armada-38x
All the Armada 38x(380, 385, 388) have a silicon issue in
the I2C controller which violates the I2C repeated start timing
(errata FE-8471889).

i2c-mv64xxx driver handles this errata based on the compatible string
"marvell,mv78230-a0-i2c".

This patch activates the "marvell,mv78230-a0-i2c" compatible string
for the I2C controller on armada-38x SoC based devices.

Signed-off-by: Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2017-10-02 16:21:01 +02:00
Linus Torvalds
95dcc4dc38 LED fixes for 4.14-rc3
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Merge tag 'led_fixes-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED fixes from Jacek Anaszewski:
 "Four fixes for the as3645a LED flash controller and one update to
  MAINTAINERS"

* tag 'led_fixes-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  MAINTAINERS: Add entry for MediaTek PMIC LED driver
  as3645a: Unregister indicator LED on device unbind
  as3645a: Use integer numbers for parsing LEDs
  dt: bindings: as3645a: Use LED number to refer to LEDs
  as3645a: Use ams,input-max-microamp as documented in DT bindings
2017-09-29 19:33:32 -07:00
Sakari Ailus
e626c32527 as3645a: Use integer numbers for parsing LEDs
Use integer numbers for LEDs, 0 is the flash and 1 is the indicator.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2017-09-23 21:17:12 +02:00
Sakari Ailus
af2e658fc0 as3645a: Use ams,input-max-microamp as documented in DT bindings
DT bindings document the property "ams,input-max-microamp" that limits the
chip's maximum input current. The driver and the DTS however used
"peak-current-limit" property. Fix this by using the property documented
in DT binding documentation.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2017-09-23 21:16:42 +02:00
Sekhar Nori
ce21574ad1 ARM: dts: da850-evm: add serial and ethernet aliases
Add aliases for serial and ethernet nodes. Serial
aliases help keep order of tty nodes fixed and
ethernet alias is used by bootloader to setup mac
address correctly.

Reported-by: Adam Ford <aford173@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Fixes: dd7deaf218 ("ARM: davinci: da850: add DT node for ethernet")
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2017-09-20 13:33:41 +05:30
Yogesh Siraswar
4afa616ce9 ARM: dts: am43xx-epos-evm: Remove extra CPSW EMAC entry
On am438x EPOS boards there is only one ethernet port, remove extra
port definition.

This boot log warnings during PHY detection.

Signed-off-by: Yogesh Siraswar <yogeshs@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-19 10:59:26 -07:00
Suniel Mahesh
cddfae253c ARM: dts: am33xx: Add spi alias to match SOC schematics
Linux bus numbers should match the numbers defined by the chip
manufacturer. This patch add's spi aliases to achieve that bus
naming convention.

Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>
Signed-off-by: Karthik Tummala <karthik@techveda.org>
Tested-by: Karthik Tummala <karthik@techveda.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-19 10:59:26 -07:00
H. Nikolaus Schaller
20547dfd85 ARM: OMAP2+: hsmmc: fix logic to call either omap_hsmmc_init or omap_hsmmc_late_init but not both
With 4.13 kernel I get this boot message:

[    1.051727] ------------[ cut here ]------------
[    1.051818] WARNING: CPU: 0 PID: 1 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x54/0x74
[    1.051849] sysfs: cannot create duplicate filename '/devices/platform/omap_hsmmc.2'
[    1.051879] Modules linked in:
[    1.051971] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.0-letux+ #1360
[    1.052001] Hardware name: Generic OMAP3 (Flattened Device Tree)
[    1.052062] [<c010f690>] (unwind_backtrace) from [<c010bba8>] (show_stack+0x10/0x14)
[    1.052124] [<c010bba8>] (show_stack) from [<c075dc88>] (dump_stack+0x98/0xd0)
[    1.052185] [<c075dc88>] (dump_stack) from [<c012f398>] (__warn+0xd0/0x100)
[    1.052215] [<c012f398>] (__warn) from [<c012f3fc>] (warn_slowpath_fmt+0x34/0x44)
[    1.052276] [<c012f3fc>] (warn_slowpath_fmt) from [<c02ebcb4>] (sysfs_warn_dup+0x54/0x74)
[    1.052337] [<c02ebcb4>] (sysfs_warn_dup) from [<c02ebd90>] (sysfs_create_dir_ns+0x74/0x84)
[    1.052398] [<c02ebd90>] (sysfs_create_dir_ns) from [<c0761b8c>] (kobject_add_internal+0xd0/0x294)
[    1.052429] [<c0761b8c>] (kobject_add_internal) from [<c0761f00>] (kobject_add+0x6c/0x8c)
[    1.052490] [<c0761f00>] (kobject_add) from [<c04e831c>] (device_add+0xe4/0x510)
[    1.052551] [<c04e831c>] (device_add) from [<c04ec6e4>] (platform_device_add+0x130/0x1c0)
[    1.052612] [<c04ec6e4>] (platform_device_add) from [<c01281c0>] (omap_hsmmc_late_init+0x3c/0x60)
[    1.052673] [<c01281c0>] (omap_hsmmc_late_init) from [<c0b0fa44>] (omap3_pandora_legacy_init+0x24/0xb4)
[    1.052734] [<c0b0fa44>] (omap3_pandora_legacy_init) from [<c0128178>] (pdata_quirks_check+0x30/0x3c)
[    1.052795] [<c0128178>] (pdata_quirks_check) from [<c0b0f950>] (omap_generic_init+0xc/0x18)
[    1.052856] [<c0b0f950>] (omap_generic_init) from [<c0b03480>] (customize_machine+0x1c/0x28)
[    1.052917] [<c0b03480>] (customize_machine) from [<c0101938>] (do_one_initcall+0xa8/0x150)
[    1.052947] [<c0101938>] (do_one_initcall) from [<c0b00d70>] (kernel_init_freeable+0x110/0x1d4)
[    1.053009] [<c0b00d70>] (kernel_init_freeable) from [<c076f198>] (kernel_init+0x8/0x10c)
[    1.053070] [<c076f198>] (kernel_init) from [<c01070f0>] (ret_from_fork+0x14/0x24)
[    1.055023] ---[ end trace 44e490b09ac4ab88 ]---

This can be traced down to the calls of

	omap_hsmmc_init(pandora_mmc3);
	omap_hsmmc_late_init(pandora_mmc3);

in omap3_pandora_legacy_init().

It turns out that both funcions disagree how to decide if the other one was alredy called.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-19 10:59:26 -07:00
Keerthy
8aed1026cc ARM: dts: dra7: Set a default parent to mcasp3_ahclkx_mux
Assign a default parent to mcasp3_ahclkx_mux clock using
the assigned-clock-parents property. This is helpful in
cases like kexec where in the clock parent can be something
other than the value at reset.

Suggested-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-19 10:59:26 -07:00
Keerthy
06480f8cf5 ARM: OMAP2+: dra7xx: Set OPT_CLKS_IN_RESET flag for gpio1
gpio1 soft reset fails in the kexec path as the optional clock
is not enabled hence enable the HWMOD_CONTROL_OPT_CLKS_IN_RESET
flag for gpio1 hwmod.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-19 10:43:23 -07:00
Pavel Machek
4ae7c364b9 ARM: dts: nokia n900: drop unneeded/undocumented parts of the dts
Sakari mentioned that some parts of the dts are not needed and do
not have proper documentation, yet.

As the camera works without them, remove them for now.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-19 10:39:19 -07:00
Alexandre Belloni
093d79f62a ARM: at91: Replace uses of virt_to_phys with __pa_symbol
The PM code wrongly uses virt_to_phys() instead of __pa_symbol() and was
not updated by commit 64fc2a947a ("ARM: 8641/1: treewide: Replace uses of
virt_to_phys with __pa_symbol") because it was not yet in tree.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
2017-09-18 10:05:38 +02:00
Nicolas Ferre
e025a3ac34 ARM: dts: at91: sama5d27_som1_ek: fix USB host vbus
The USB host has 3 ports so we must specify the entries for each
in the atmel,vbus-gpio property.
The specified pin (PA27) is the vbus for USBB and not USBA.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
[claudiu.beznea@microchip.com: change subject to match the desired prefix]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
2017-09-18 09:58:18 +02:00
Ludovic Desroches
5f506faa0d ARM: dts: at91: sama5d27_som1_ek: fix typos
Fix typos that prevent proper using of uart2 and uart4 devices.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
2017-09-18 09:58:17 +02:00
Ludovic Desroches
27563cd9f8 ARM: dts: at91: sama5d27_som1_ek: update pinmux/pinconf for LEDs and USB
There are some changes from the prototype board concerning LEDs and USB
pins:
- USBB power enable and red LED pins are inverted.
- The polarity of LEDs is inverted too.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
2017-09-18 09:58:16 +02:00
Thomas Garnier
e33f8d3267 arm/syscalls: Optimize address limit check
Disable the generic address limit check in favor of an architecture
specific optimized implementation. The generic implementation using
pending work flags did not work well with ARM and alignment faults.

The address limit is checked on each syscall return path to user-mode
path as well as the irq user-mode return function. If the address limit
was changed, a function is called to report data corruption (stopping
the kernel or process based on configuration).

The address limit check has to be done before any pending work because
they can reset the address limit and the process is killed using a
SIGKILL signal. For example the lkdtm address limit check does not work
because the signal to kill the process will reset the user-mode address
limit.

Signed-off-by: Thomas Garnier <thgarnie@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Pratyush Anand <panand@redhat.com>
Cc: Dave Martin <Dave.Martin@arm.com>
Cc: Will Drewry <wad@chromium.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: David Howells <dhowells@redhat.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-api@vger.kernel.org
Cc: Yonghong Song <yhs@fb.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1504798247-48833-4-git-send-email-keescook@chromium.org
2017-09-17 19:45:33 +02:00
Thomas Garnier
2404269bc4 Revert "arm/syscalls: Check address limit on user-mode return"
This reverts commit 73ac5d6a2b.

The work pending loop can call set_fs after addr_limit_user_check
removed the _TIF_FSCHECK flag. This may happen at anytime based on how
ARM handles alignment exceptions. It leads to an infinite loop condition.

After discussion, it has been agreed that the generic approach is not
tailored to the ARM architecture and any fix might not be complete. This
patch will be replaced by an architecture specific implementation. The
work flag approach will be kept for other architectures.

Reported-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Thomas Garnier <thgarnie@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Pratyush Anand <panand@redhat.com>
Cc: Dave Martin <Dave.Martin@arm.com>
Cc: Will Drewry <wad@chromium.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: David Howells <dhowells@redhat.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-api@vger.kernel.org
Cc: Yonghong Song <yhs@fb.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1504798247-48833-3-git-send-email-keescook@chromium.org
2017-09-17 19:45:33 +02:00
Chen-Yu Tsai
a231d2783c ARM: dts: sun6i: Fix endpoint IDs in second display pipeline
When the second display pipeline device nodes for the A31/A31s were
added, it was not known that the TCONs could (through either DRCs)
select either backend as their input. Thus in the endpoints connecting
these components together, the endpoint IDs were set to 0, while in
fact they should have been set to 1.

Cc: <stable@vger.kernel.org>
Fixes: 9a26882a73 ("ARM: dts: sun6i: Add second display pipeline device
		      nodes")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2017-09-17 12:03:59 +02:00
Linus Torvalds
f60a2abfdb The diff is dominated by the Allwinner A10/A20 SoCs getting converted to
the sunxi-ng framework. Otherwise, the heavy hitters are various drivers
 for SoCs like AT91, Amlogic, Renesas, and Rockchip. There are some other
 new clk drivers in here too but overall this is just a bunch of clk
 drivers for various different pieces of hardware and a collection of
 non-critical fixes for clk drivers.
 
 New Drivers:
  - Allwinner R40 SoCs
  - Renesas R-Car Gen3 USB 2.0 clock selector PHY
  - Atmel AT91 audio PLL
  - Uniphier PXs3 SoCs
  - ARC HSDK Board PLLs
  - AXS10X Board PLLs
  - STMicroelectronics STM32H743 SoCs
 
 Removed Drivers:
  - Non-compiling mb86s7x support
 
 Updates:
  - Allwinner A10/A20 SoCs converted to sunxi-ng framework
  - Allwinner H3 CPU clk fixes
  - Renesas R-Car D3 SoC
  - Renesas V2H and M3-W modules
  - Samsung Exynos5420/5422/5800 audio fixes
  - Rockchip fractional clk approximation fixes
  - Rockchip rk3126 SoC support within the rk3128 driver
  - Amlogic gxbb CEC32 and sd_emmc clks
  - Amlogic meson8b reset controller support
  - IDT VersaClock 5P49V5925/5P49V6901 support
  - Qualcomm MSM8996 SMMU clks
  - Various 'const' applications for struct clk_ops
  - si5351 PLL reset bugfix
  - Uniphier audio on LD11/LD20 and ethernet support on LD11/LD20/Pro4/PXs2
  - Assorted Tegra clk driver fixes
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "The diff is dominated by the Allwinner A10/A20 SoCs getting converted
  to the sunxi-ng framework. Otherwise, the heavy hitters are various
  drivers for SoCs like AT91, Amlogic, Renesas, and Rockchip. There are
  some other new clk drivers in here too but overall this is just a
  bunch of clk drivers for various different pieces of hardware and a
  collection of non-critical fixes for clk drivers.

  New Drivers:
   - Allwinner R40 SoCs
   - Renesas R-Car Gen3 USB 2.0 clock selector PHY
   - Atmel AT91 audio PLL
   - Uniphier PXs3 SoCs
   - ARC HSDK Board PLLs
   - AXS10X Board PLLs
   - STMicroelectronics STM32H743 SoCs

  Removed Drivers:
   - Non-compiling mb86s7x support

  Updates:
   - Allwinner A10/A20 SoCs converted to sunxi-ng framework
   - Allwinner H3 CPU clk fixes
   - Renesas R-Car D3 SoC
   - Renesas V2H and M3-W modules
   - Samsung Exynos5420/5422/5800 audio fixes
   - Rockchip fractional clk approximation fixes
   - Rockchip rk3126 SoC support within the rk3128 driver
   - Amlogic gxbb CEC32 and sd_emmc clks
   - Amlogic meson8b reset controller support
   - IDT VersaClock 5P49V5925/5P49V6901 support
   - Qualcomm MSM8996 SMMU clks
   - Various 'const' applications for struct clk_ops
   - si5351 PLL reset bugfix
   - Uniphier audio on LD11/LD20 and ethernet support on LD11/LD20/Pro4/PXs2
   - Assorted Tegra clk driver fixes"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (120 commits)
  clk: si5351: fix PLL reset
  ASoC: atmel-classd: remove aclk clock
  ASoC: atmel-classd: remove aclk clock from DT binding
  clk: at91: clk-generated: make gclk determine audio_pll rate
  clk: at91: clk-generated: create function to find best_diff
  clk: at91: add audio pll clock drivers
  dt-bindings: clk: at91: add audio plls to the compatible list
  clk: at91: clk-generated: remove useless divisor loop
  clk: mb86s7x: Drop non-building driver
  clk: ti: check for null return in strrchr to avoid null dereferencing
  clk: Don't write error code into divider register
  clk: uniphier: add video input subsystem clock
  clk: uniphier: add audio system clock
  clk: stm32h7: Add stm32h743 clock driver
  clk: gate: expose clk_gate_ops::is_enabled
  clk: nxp: clk-lpc32xx: rename clk_gate_is_enabled()
  clk: uniphier: add PXs3 clock data
  clk: hi6220: change watchdog clock source
  clk: Kconfig: Name RK805 in Kconfig for COMMON_CLK_RK808
  clk: cs2000: Add cs2000_set_saved_rate
  ...
2017-09-13 11:04:14 -07:00
Linus Torvalds
52269718dc dma-mapping updates for 4.14:
- removal of the old dma_alloc_noncoherent interface
  - remove unused flags to dma_declare_coherent_memory
  - restrict OF DMA configuration to specific physical busses
  - use the iommu mailing list for dma-mapping questions and
    patches
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Merge tag 'dma-mapping-4.14' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - removal of the old dma_alloc_noncoherent interface

 - remove unused flags to dma_declare_coherent_memory

 - restrict OF DMA configuration to specific physical busses

 - use the iommu mailing list for dma-mapping questions and patches

* tag 'dma-mapping-4.14' of git://git.infradead.org/users/hch/dma-mapping:
  dma-coherent: fix dma_declare_coherent_memory() logic error
  ARM: imx: mx31moboard: Remove unused 'dma' variable
  dma-coherent: remove an unused variable
  MAINTAINERS: use the iommu list for the dma-mapping subsystem
  dma-coherent: remove the DMA_MEMORY_MAP and DMA_MEMORY_IO flags
  dma-coherent: remove the DMA_MEMORY_INCLUDES_CHILDREN flag
  of: restrict DMA configuration
  dma-mapping: remove dma_alloc_noncoherent and dma_free_noncoherent
  i825xx: switch to switch to dma_alloc_attrs
  au1000_eth: switch to dma_alloc_attrs
  sgiseeq: switch to dma_alloc_attrs
  dma-mapping: reduce dma_mapping_error inline bloat
2017-09-12 13:30:06 -07:00