Commit Graph

39134 Commits

Author SHA1 Message Date
Maxime Ripard
bd92049004 ARM: mvebu: Add UART1 as DEBUG_LL possible target
Some mvebu boards have the UART1 more easily accessible than the other UARTs
found on the system.

Add a debug_ll option for this case.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
2015-01-09 08:56:30 -06:00
Maxime Ripard
d91125ddf9 ARM: mvebu: Rename DEBUG_LL to indicate UART index
The mvebu SoCs actually have more UARTs than just the one exposed in DEBUG_LL
yet.

In order to differentiate them, Add the index in the configuration options and
their help.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
2015-01-09 08:56:05 -06:00
Thierry Reding
910978e753 clocksource: Build Tegra timer on 32-bit ARM only
Instead of directly using the ARCH_TEGRA Kconfig symbol to enable this
driver, add a new, non-user-visible Kconfig symbol (TEGRA_TIMER) which
can be selected by the various SoCs.

This is useful to disable building the driver on Tegra132 (64-bit ARM)
where it doesn't currently compile but also isn't needed (yet).

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-01-09 14:45:43 +01:00
Peter Griffin
a59a4d969a ARM: STi: DT: STiH410: Add DT nodes for the ehci and ohci usb controllers.
This patch adds the DT nodes for the extra ehci and ohci usb controllers
on the stih410 SoC.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
2015-01-09 13:43:29 +01:00
Peter Griffin
9d9f65fcf5 ARM: STi: DT: STiH410: Add usb2 picophy dt nodes
This patch adds the dt nodes for the extra usb2 picophys found on
the stih410.

These two picophys are used in conjunction with the extra ehci/ohci usb
controllers also found on the stih410 SoC.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
2015-01-09 13:43:18 +01:00
Peter Griffin
8facce138f ARM: STi: DT: STiH407: Add usb2 picophy dt nodes
This patch adds the dt nodes for the usb2 picophy found on the stih407
device family. It is used on stih407 by the dwc3 usb3 controller when
controlling usb2/1.1 devices.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
2015-01-09 13:42:53 +01:00
Arnaud Ebalard
62981239a6 ARM: tegra: Update isl29028 compatible string to use isil vendor prefix
"isil" and "isl" prefixes are used at various locations inside the kernel
to reference Intersil corporation. This patch is part of a series fixing
those locations were "isl" is used in compatible strings to use the now
expected "isil" prefix instead (NASDAQ symbol for Intersil and most used
version).

Note: isl29028 is an I2C device so the patch does not in fact currently
depend on the introduction of "isil"-based compatible string in isl29028
driver because I2C core does not check the prefix yet.

Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-01-09 13:42:04 +01:00
Peter Griffin
c952b6b60d ARM: multi_v7_defconfig: Enable stih407 usb picophy
This patch enables the picoPHY usb phy which is used by
the usb2 and usb3 host controllers when controlling usb2/1.1
devices. It is found in stih407 family SoC's from STMicroelectronics.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
2015-01-09 13:39:47 +01:00
Thierry Reding
2cda1880f8 ARM: tegra: Fix unit address for Cortex-A9 TWD timer
The Cortex-A9 TWD timer has registers at address 0x50040600, but the
unit address was 50004600, most likely a typo.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2015-01-09 11:45:15 +01:00
Andy Lutomirski
88a7c26af8 perf: Move task_pt_regs sampling into arch code
On x86_64, at least, task_pt_regs may be only partially initialized
in many contexts, so x86_64 should not use it without extra care
from interrupt context, let alone NMI context.

This will allow x86_64 to override the logic and will supply some
scratch space to use to make a cleaner copy of user regs.

Tested-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: chenggang.qcg@taobao.com
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Salter <msalter@redhat.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/e431cd4c18c2e1c44c774f10758527fb2d1025c4.1420396372.git.luto@amacapital.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-01-09 11:12:28 +01:00
Wang Nan
83803d97da ARM: kprobes: introduces checker
This patch introdces 'checker' to decoding phase, and calls checkers
when instruction decoding. This allows further decoding for specific
instructions.  This patch introduces a stub call of checkers in kprobe
arch_prepare_kprobe() as an example and for further expansion.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Reviewed-by: Jon Medhurst <tixy@linaro.org>
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
2015-01-09 09:36:51 +00:00
Jon Medhurst
832607e79d ARM: probes: Use correct action types for MOVW, SEV and WFI
This doesn't correct any bugs when probing these instructions but makes
MOVW slightly faster and makes everything more symmetric with the Thumb
instruction cases.

We can also remove the now redundant PROBES_EMULATE_NONE and
PROBES_SIMULATE_NOP actions.

Signed-off-by: Jon Medhurst <tixy@linaro.org>
2015-01-09 09:36:51 +00:00
Wang Nan
fca08f326a ARM: probes: move all probe code to dedicate directory
In discussion on LKML (https://lkml.org/lkml/2014/11/28/158), Russell
King suggests to move all probe related code to arch/arm/probes. This
patch does the work. Due to dependency on 'arch/arm/kernel/patch.h', this
patch also moves patch.h to 'arch/arm/include/asm/patch.h', and related
'#include' directives are also midified to '#include <asm/patch.h>'.

Following is an overview of this patch:

 ./arch/arm/kernel/               ./arch/arm/probes/
 |-- Makefile                     |-- Makefile
 |-- probes-arm.c          ==>    |-- decode-arm.c
 |-- probes-arm.h          ==>    |-- decode-arm.h
 |-- probes-thumb.c        ==>    |-- decode-thumb.c
 |-- probes-thumb.h        ==>    |-- decode-thumb.h
 |-- probes.c              ==>    |-- decode.c
 |-- probes.h              ==>    |-- decode.h
 |                                |-- kprobes
 |                                |   |-- Makefile
 |-- kprobes-arm.c         ==>    |   |-- actions-arm.c
 |-- kprobes-common.c      ==>    |   |-- actions-common.c
 |-- kprobes-thumb.c       ==>    |   |-- actions-thumb.c
 |-- kprobes.c             ==>    |   |-- core.c
 |-- kprobes.h             ==>    |   |-- core.h
 |-- kprobes-test-arm.c    ==>    |   |-- test-arm.c
 |-- kprobes-test.c        ==>    |   |-- test-core.c
 |-- kprobes-test.h        ==>    |   |-- test-core.h
 |-- kprobes-test-thumb.c  ==>    |   `-- test-thumb.c
 |                                `-- uprobes
 |                                    |-- Makefile
 |-- uprobes-arm.c         ==>        |-- actions-arm.c
 |-- uprobes.c             ==>        |-- core.c
 |-- uprobes.h             ==>        `-- core.h
 |
 `-- patch.h               ==>    arch/arm/include/asm/patch.h

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
2015-01-09 09:36:50 +00:00
Fabio Estevam
3552c31949 Revert "ARM: dts: imx6qdl: enable FEC magic-packet feature"
As 456062b3ec ("ARM: imx: add FEC sleep mode callback function") has been
reverted, also revert the dts part.

This reverts commit 07b4d2dda0 ("ARM: dts: imx6qdl: enable FEC
magic-packet feature").

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-08 20:05:20 -08:00
Fabio Estevam
99b164a66b Revert "ARM: imx: add FEC sleep mode callback function"
i.MX platform maintainer Shawn Guo is not happy with the such commit as
explained below [1]:

"The GPR difference between SoCs can be encoded in device tree as well.
It's pointless to repeat the same code pattern for every single
platform, that need to set up GPR bits for enabling magic packet wake
up, while the only difference is the register and bit offset.

The platform code will become quite messy and unmaintainable if every
device driver dump their GPR register setup code into platform.

Sorry, but it's NACK from me."

This reverts commit 456062b3ec ("ARM: imx: add FEC sleep mode callback
function").

[1] http://www.spinics.net/lists/netdev/msg310922.html

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-08 20:05:19 -08:00
Pankaj Dubey
32b0aa9aae ARM: EXYNOS: Remove i2c sys configuration related code
As all these code has been moved into i2c driver, now we can
safely remove them from machine files.

CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-01-09 01:14:23 +09:00
Vivek Gautam
e93e54544a arm: dts: Use pmu_system_controller phandle for dp phy
DP PHY now require pmu-system-controller to handle PMU register
to control PHY's power isolation. Adding the same to dp-phy
node.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-01-09 01:08:48 +09:00
Howard Chen
c6b3a64f70 ARM: mediatek: Add sysirq device node to mt6592 dtsi
Add sysirq node to mt6592.dtsi and also correct timer interrupt flag.
The old setting works because boot loader already set it.
With a sysirq device node, the timer interrupt can use a correct value.

Signed-off-by: Howard Chen <howard.chen@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2015-01-08 13:06:54 +01:00
Eddie Huang
ac00aa4dcd ARM: mediatek: dts: Add UART dts for MT8127 and MT8135 boards
This patch enable UART for MT8127 moose board and MT8135 evalution board.
Adding the dts, these two boards can show log and shell prompts.

Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
2015-01-08 12:12:43 +01:00
Soren Brinkmann
1643b31658 ARM: zynq: DT: Add USB to device tree
Add USB nodes to zc702, zc706 and zed device trees.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-01-08 09:35:04 +01:00
Felipe Balbi
4af41284e8 ARM: omap2plus_defconfig: enable TPS65218 power button
Enable tps65218 power button driver by default as
a dynamically linked module so AM437x SK can report
power button presses.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:53:04 -08:00
Felipe Balbi
40b2091fba ARM: omap2plus_defconfig: reduce zImage size on omap2plus_defconfig
By converting a few drivers to modules because they
won't be needed during boot anyways, we can shave off
about 700KiB of text.

Note that while at that, and after discussions with Tony
Lindgren, a few extra drivers were either removed because
they weren't needed, or added because they're useful for
debugging/testing.

Below is output of size for pre and post vmlinux binaries:

   text    data     bss     dec     hex filename
8514799  765532 8416064 17696395        10e068b vmlinux-post-patch
9069110  800316 8419072 18288498        1170f72 vmlinux-pre-patch

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:38:58 -08:00
Nishanth Menon
7a03f2c08d ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node
TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply
a fan (such as AFB02505HHB) over J1 connector for various purposes.
Provide device tree node to enable the same.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:25:10 -08:00
Felipe Balbi
cd5bca6f62 ARM: dts: am437x-idk: add gpio-based power key
AM437x IDK board has a User Switch which we can
program to whatever we want. Because this board
doesn't have a PMIC which can give us power button
presses, let's use this user switch as a gpio-keys
power button.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:25:10 -08:00
Aaro Koskinen
f4b3690935 ARM: dts: N950/N9: add twl_power
Add twl_power for N950/N9. Start with the simplest configuration to just
enable power off.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Felipe Balbi
bb1c5fe126 ARM: dts: am437x-sk: add power button binding
Let this board report KEY_POWER so upper layers
can decide what to do when power button is pressed.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Felipe Balbi
47e0920cca ARM: dts: add support for AM437x IDK
The AM437x Industrial Development Kit (IDK) is
an application development platform targeted at
industrial communication and control applications.

It comes with a 3-phase motor driver, PROFINET,
PROFIBUS and a few other industrial communication
interfaces.

The board has 1GiB of DDR3 RAM, QSPI NOR flash,
a 100% discrete power design (no PMIC) and an
on-board 2MP camera (not supported with Linux
as of this writing).

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Benoit Parrot
c788a7f4ed ARM: dts: am437x-gp-evm: add VPFE device tree data
Add device tree nodes and pinmux entries for Video Processing
Front End (VPFE) on am437x gp evm.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Darren Etheridge
5ccaa6ec0d ARM: dts: am437x-sk-evm: add VPFE device tree data
Add device tree nodes and pinmux entries for Video Processing
Front End (VPFE) on am437x sk evm.

Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Benoit Parrot
d890edcd3f ARM: dts: am43x-epos-evm: add VPFE device tree data
Add device tree nodes and pinmux entries for Video Processing
Front End (VPFE) on am43x epos evm.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Benoit Parrot
9d0df0a655 ARM: dts: am4372: add VPFE DT node entries
Add Video Processing Front End (VPFE) device tree
nodes for AM34xx family of devices.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Vignesh R
4d5837d14c ARM: dts: DRA7X: drop id property in pcie_phy
Since phyid is no longer used by pcie driver, this field can be dropped
from the DT.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Pavel Machek
14fd7330db ARM: dts: omap3-n900: cleanup english
This fixes english in comments and removes extra empty newline.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Felipe Balbi
a75dacf820 ARM: dts: am57xx-beagle-x15: Add dual ethernet
Add CPSW DT binding to beagle X15 DTS in order to
get ethernet working with this board.

Note that we're also adding sleep state which will
place all pins in mux mode 15 - which means "driver
off" - thus conserving power.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:52 -08:00
Felipe Balbi
2d8a28c27d ARM: dts: am437x-sk: remove DSS pulls
The DSS data lines don't need pulls, it's best
to remove them to guarantee signal integrity.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:44 -08:00
Felipe Balbi
3cca412ef6 ARM: dts: am437x-sk: remove internal i2c pullups
AM437x Starter Kit already has discrete pullups
for all I2C buses, so we can (and should) remove
internal pulls.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:36 -08:00
Felipe Balbi
221fed3cb5 ARM: dts: am437x-sk: add explicit pinmux for both USB instances
This patch just makes USB[01]_DRVVBUS signal
explicitly muxed. Note that board already has
a discrete pulldown, so we're not adding any
pulls here.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:28 -08:00
Felipe Balbi
a2db983a94 ARM: dts: am437x-sk: remove ethernet pulls
AM437x Starter Kit already has discrete pulls
where they are necessary. It's safe (and actually
better) to remove internal pulls.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:20 -08:00
Felipe Balbi
fb13505343 ARM: dts: am437x-sk: add explicit MMC0 pinmux
By don't relying on implicit MMC0 pulldown we
make sure that pins are marked busy and even
if we have a broken bootloader, MMC0 will
remain functional.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 16:23:11 -08:00
Geert Uytterhoeven
b0ddb319db ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances
The sh73a0 INTC can't mask interrupts properly most likely due to a
hardware bug. Set the .control_parent flag to delegate masking to the
parent interrupt controller, like was already done for irqpin1.

Without this, accessing the three-axis digital accelerometer ADXL345
on kzm9g through /dev/input/event1 causes an interrupt storm, which
requires a power-cycle to recover from.

This was inspired by a patch for arch/arm/boot/dts/sh73a0.dtsi from
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fixes: 341eb5465f ("ARM: shmobile: INTC External IRQ pin driver on sh73a0")
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-01-08 09:15:16 +09:00
Geert Uytterhoeven
f76452fdfe ARM: shmobile: sh73a0 dtsi: Add SoC-specific FSI2 compatible property
The FSI2 sound node used the generic compatible property only.
Add the SoC-specific one, to make it future proof.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-01-08 09:09:18 +09:00
Felipe Balbi
fad7ca8bcb ARM: dts: am437x-sk: remove internal pulls from QSPI
QSPI doesn't need any pullups of any sort,
let's remove them.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 15:16:07 -08:00
Dave Gerlach
3e1fe45125 ARM: dts: am437x-sk-evm: Hook dcdc2 as the cpu0-supply
Hook dcdc2 as the cpu0-supply.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Tested-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 15:13:59 -08:00
Tero Kristo
fc24fc6506 ARM: OMAP3+: PRM: remove prm_get_reset_sources declaration from headers
There is no implementation for this anywhere, so remove it from the header
files also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[tony@atomide.com: updated to apply]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 14:27:39 -08:00
Tero Kristo
2740cf7a96 ARM: OMAP2: CM: remove unused PLL functions
omap2xxx_cm_get_pll_config and omap2xxx_cm_get_pll_status are not used
for anything, so remove these.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 14:27:39 -08:00
Grygorii Strashko
ac08468867 ARM: 8253/1: mm: use phys_addr_t type in map_lowmem() for kernel mem region
Now local variables kernel_x_start and kernel_x_end defined using
'unsigned long' type which is wrong because they represent physical
memory range and will be calculated wrongly if LPAE is enabled.
As result, all following code in map_lowmem() will not work correctly.

For example, Keystone 2 boot is broken because
 kernel_x_start == 0x0000 0000
 kernel_x_end   == 0x0080 0000

instead of
 kernel_x_start == 0x0000 0008 0000 0000
 kernel_x_end   == 0x0000 0008 0080 0000
and as result whole low memory will be mapped with MT_MEMORY_RW
permissions by code (start > kernel_x_end):
		} else if (start >= kernel_x_end) {
			map.pfn = __phys_to_pfn(start);
			map.virtual = __phys_to_virt(start);
			map.length = end - start;
			map.type = MT_MEMORY_RW;

			create_mapping(&map);
		}

Hence, fix it by using phys_addr_t type for variables kernel_x_start
and kernel_x_end.

Tested-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-07 20:33:34 +00:00
Mark Rutland
cca547e9aa ARM: 8249/1: mm: dump: don't skip regions
Currently the arm page table dumping code starts dumping page tables
from USER_PGTABLES_CEILING. This is unnecessary for skipping any entries
related to userspace as the swapper_pg_dir does not contain such
entries, and results in a couple of unfortuante side effects.

Firstly, any kernel mappings which might exist below
USER_PGTABLES_CEILING will not be accounted in the dump output. This
masks any entries erroneously created below this address.

Secondly, if the final page table entry walked is part of a valid
mapping the page table dumping code will not log the region this entry
is part of, as the final note_page call in walk_pgd will trigger an
early return when 0 < USER_PGTABLES_CEILING. Luckily this isn't seen on
contemporary systems as they typically don't have enough RAM to extend
the linear mapping right to the end of the address space.

Due to the way addr is constructed in the walk_* functions, it can never
be less than USER_PGTABLES_CEILING when walking the page tables, so it
is not necessary to avoid dereferencing invalid table addresses. The
existing checks for st->current_prot and st->marker[1].start_address are
sufficient to ensure we will not print and/or dereference garbage when
trying to log information.

This patch removes both problematic uses of USER_PGTABLES_CEILING from
the arm page table dumping code, preventing both of these issues. We
will now report any low mappings, and the final note_page call will not
return early, ensuring all regions are logged.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Steve Capper <steve.capper@linaro.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-07 20:33:33 +00:00
Russell King
841ee23025 ARM: wire up execveat syscall
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-07 20:31:54 +00:00
Tero Kristo
56ad669184 ARM: OMAP2: clock: remove unused apll code
APLL clock type is no longer needed as the legacy clock support is removed.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[tony@atomide.com: updated to apply]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 10:54:40 -08:00
Rickard Strandqvist
9b455e8d7c ARM: OMAP: dma.c: Remove unused function
Remove the function get_gdma_dev() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:53:51 -08:00