Commit graph

38190 commits

Author SHA1 Message Date
Barry Song
41e229a912 ARM: sirf: drop redundant function and marco declaration
with the patchset to add CSR atlas7 support, the below stuff
has no user now:
SIRFSOC_VA
sirfsoc_map_lluart
sirfsoc_map_scu

the related patches missed to drop them.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-02-06 00:31:58 -08:00
Mark Rutland
279806bfca arm: omap: specify PMUs are for ARMv7 CPUs
Now that we can specify which PMU variant we're likely to deal with, do
so in the omap board code. This will allow us to split the ARMv6, ARMv7,
and XScale PMU drivers.

The unnecessary include of asm/pmu.h is also removed.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-02-06 00:13:06 -08:00
Mark Rutland
744503b35a arm: shmobile: specify PMUs are for ARMv7 CPUs
Now that we can specify which PMU variant we're likely to deal with, do
so in the shmobile board code. This will allow us to split the ARMv6,
ARMv7, and XScale PMU drivers

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-02-06 00:13:01 -08:00
Mark Rutland
b22a75cf9d arm: iop: specify PMUs are for XScale CPUs
Now that we can specify which PMU variant we're likely to deal with, do
so in the iop board code. This will allow us to split the ARMv6, ARMv7,
and XScale PMU drivers.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-02-06 00:12:59 -08:00
Mark Rutland
f9eff21976 arm: pxa: specify PMUs are for XScale CPUs
Now that we can specify which PMU variant we're likely to deal with, do
so in the pxa board code. This will allow us to split the ARMv6, ARMv7,
and XScale PMU drivers.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-02-06 00:12:57 -08:00
Mark Rutland
cbed8388bf arm: realview: specify PMU types
Now that we can specify which PMU variant we're likely to deal with, do
so in the realview board code. This will allow us to split the ARMv6,
ARMv7, and XScale PMU drivers.

The Realview EB may be used with ARMv6 or ARMv7 CPUs, but luckily
there's only a single ARMv7 CPU, so we can match that explicitly to
determine whether or not we have an ARMv7 PMU.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-02-06 00:12:55 -08:00
Olof Johansson
d073d7a146 Samsung cleanup for v3.20
- remove i2c sys configuration from mach-exynos/
   : all related codes moved into i2c driver
 - remove Samsung specific DMA
   : every Samsung stuff uses dmaengine APIs
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Merge tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup

Merge "Samsung cleanup for v3.20" from Kukjin Kim:

- remove i2c sys configuration from mach-exynos/
  : all related codes moved into i2c driver
- remove Samsung specific DMA
  : every Samsung stuff uses dmaengine APIs

* tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: SAMSUNG: remove unused DMA infrastructure
  ARM: EXYNOS: Remove i2c sys configuration related code

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-29 13:52:52 -08:00
Arnd Bergmann
d50b9e2e78 ARM: SAMSUNG: remove unused DMA infrastructure
Everything uses dmaengine now, so there is no reason to
keep this around any longer. Thanks to everyone who was involved
in moving the users over to use the dmaengine APIs.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-01-24 13:09:54 +09:00
Olof Johansson
03773a4c17 We have had omap3517 booting in device tree mode for quite some
time now and we have at least a minimal dts file for the 3517
 based boards. Also almost all the drivers are usable in device
 tree mode. And if there are any drivers not yet supported in device
 tree mode, those can be enabled using pdata quirks.
 
 This leaves omap3430 to omap3730 as the only remaining mach-omap2
 platforms still booting in legacy mode also. For those were are
 printing a warning during the boot to get people to update their
 systems to boot in device tree mode and slowly converting them
 over to device tree based booting.
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Merge tag 'omap-for-v3.20/drop-legacy-3517-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Merge "drop legacy booting for omap3517" from Tony Lindgren:

We have had omap3517 booting in device tree mode for quite some
time now and we have at least a minimal dts file for the 3517
based boards. Also almost all the drivers are usable in device
tree mode. And if there are any drivers not yet supported in device
tree mode, those can be enabled using pdata quirks.

This leaves omap3430 to omap3730 as the only remaining mach-omap2
platforms still booting in legacy mode also. For those were are
printing a warning during the boot to get people to update their
systems to boot in device tree mode and slowly converting them
over to device tree based booting.

* tag 'omap-for-v3.20/drop-legacy-3517-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP3: Add back Kconfig option MACH_OMAP3517EVM for ASoC
  ARM: OMAP3: Remove legacy support for am35xx-emac
  ARM: OMAP3: Remove cm-t3517 legacy support
  ARM: OMAP3: Remove legacy support for am3517crane
  ARM: OMAP3: Remove legacy support for am3517-evm

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-23 13:46:06 -08:00
Olof Johansson
7051b6d509 Removes an unused function and the unused
support for CDCE949 clock generator.
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Merge tag 'davinci-for-v3.20/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/cleanup

Merge "DaVinci cleanups for v3.20" from Sekhar Nori:

Removes an unused function and the unused
support for CDCE949 clock generator.

* tag 'davinci-for-v3.20/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: Remove CDCE949 driver
  ARM: davinci: serial.c: remove unused serial_read_reg()

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 17:42:31 -08:00
Olof Johansson
074450e42f Clean-up for omaps to remove dead code found with cppcheck after
we've made several SoCs to boot in device tree only mode.
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Merge tag 'omap-for-v3.20/cleanup-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Merge "omap clean-up for v3.20" from Tony Lindgren:

Clean-up for omaps to remove dead code found with cppcheck after
we've made several SoCs to boot in device tree only mode.

* tag 'omap-for-v3.20/cleanup-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Remove unused ti81xx platform init code
  ARM: OMAP3+: PRM: remove prm_get_reset_sources declaration from headers
  ARM: OMAP2: CM: remove unused PLL functions
  ARM: OMAP2: clock: remove unused apll code
  ARM: OMAP: dma.c: Remove unused function
  ARM: OMAP1: timer32k.c: Remove unused function
  ARM: OMAP1: irq.c: Remove unused function
  ARM: OMAP2+: omap-pm-noop.c: Remove some unused functions
  ARM: OMAP2+: voltage: Remove some unused functions
  ARM: OMAP2+: powerdomain.c: Remove some unused functions
  ARM: OMAP2+: omap_hwmod.c: Remove some unused functions
  ARM: OMAP2+: dpll44xx.c: Remove unused function
  ARM: OMAP2+: cm33xx.c: Remove some unused functions
  ARM: OMAP2+: clkt2xxx_apll.c: Remove some unused functions

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 16:50:15 -08:00
Tony Lindgren
549f95ed20 ARM: OMAP3: Add back Kconfig option MACH_OMAP3517EVM for ASoC
We still have SND_OMAP_SOC_AM3517EVM depending on MACH_OMAP3517EVM,
so let's keep MACH_OMAP3517EVM Kconfig option around for a little
bit longer.

This removes the dependency between ARM SoC changes and the ASoC
changes, and allows the following three options for the driver:

1. Update the driver for device tree based booting

2. Initialize the driver with legacy platform data, then update
   the driver for device tree based booting

3. Just remove the driver if there are no audio users for
   3517-evm board

Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-20 08:49:08 -08:00
Rickard Strandqvist
65010564d6 ARM: davinci: Remove CDCE949 driver
Remove driver CDCE949 because it is not used anywhere in kernel.
It has remained unused for last 5 years.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
[nsekhar@ti.com: remove additional cdce949 support vestiges
                 and minor updates to commit text]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2015-01-20 19:29:58 +05:30
Olof Johansson
675e6e6b6b First batch of cleanup for 3.20:
- Documentation for AT91 SoC
 - Config options, files and functions removal to continue the big !DT
   cleanup done in 3.19
 - move of debug-macro.S to its usual location
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Merge tag 'at91-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/cleanup

Merge "at91: cleanup for 3.20 #1" from Nicolas Ferre:

First batch of cleanup for 3.20:
- Documentation for AT91 SoC
- Config options, files and functions removal to continue the big !DT
  cleanup done in 3.19
- move of debug-macro.S to its usual location

* tag 'at91-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91: remove useless at91rm9200_set_type()
  ARM: at91: remove useless at91rm9200_dt_initialize()
  ARM: at91: move debug-macro.S into the common space
  ARM: at91: remove useless at91_sysirq_mask_rtx
  ARM: at91: remove useless config MACH_AT91SAM9_DT
  ARM: at91: remove useless config MACH_AT91RM9200_DT
  ARM: at91: remove unused mach/memory.h
  ARM: at91: remove useless header file includes
  ARM: at91: remove unneeded header file
  rtc: at91/Kconfig: remove useless options
  ARM: at91/Documentation: add a README for Atmel SoCs

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-19 11:20:04 -08:00
Alexandre Belloni
bd87373229 ARM: at91: remove useless at91rm9200_set_type()
Since all rm9200 board files have been removed, there is no user of
at91rm9200_set_type() left. Remove it

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:06 +01:00
Alexandre Belloni
427accd3c4 ARM: at91: remove useless at91rm9200_dt_initialize()
at91rm9200_dt_initialize() is doing the same as at91_dt_initialize(), use that
one instead.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:06 +01:00
Alexandre Belloni
5f58c97099 ARM: at91: move debug-macro.S into the common space
Move debug-macro.S from include/mach/ to include/debug where all other common
debug macros are.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:06 +01:00
Alexandre Belloni
415c947435 ARM: at91: remove useless at91_sysirq_mask_rtx
The irq fixup from at91_sysirq_mask_rtc and at91_sysirq_mask_rtt is now handled
by aic_common_rtc_irq_fixup and aic_common_rtt_irq_fixup. Remove those useless
functions.
Also remove the now unused mach/at91_rtt.h header.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:05 +01:00
Alexandre Belloni
c46317b774 ARM: at91: remove useless config MACH_AT91SAM9_DT
Now that at91sam9 SoCs are only supported through DT, remove
CONFIG_MACH_AT91SAM9_DT and use CONFIG_SOC_AT91SAM9 instead.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:04 +01:00
Alexandre Belloni
30edcdcc05 ARM: at91: remove useless config MACH_AT91RM9200_DT
Now that rm9200 is only supported through DT, remove CONFIG_MACH_AT91RM9200_DT
and use CONFIG_SOC_AT91RM9200 instead.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:04 +01:00
Alexandre Belloni
e822aaef0c ARM: at91: remove unused mach/memory.h
CONFIG_NEED_MACH_MEMORY_H is not set by any at91 platform, remove mach/memory.h

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:04 +01:00
Boris Brezillon
0b4d5cdce7 ARM: at91: remove useless header file includes
Since removal of !DT boards, asm/irq.h inclusion is not needed in these product
files.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:03 +01:00
Nicolas Ferre
ccf7222412 ARM: at91: remove unneeded header file
These GPIO pin descriptions are now moved with the pinctrl driver. We can
safely remove this useless header file.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2015-01-15 15:24:03 +01:00
Rickard Strandqvist
4986abaa76 ARM: versatile: core: Remove unused function
Remove the function versatile_leds_event() 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>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-14 17:29:18 -08:00
Tony Lindgren
ca662ee7b8 ARM: OMAP2+: Remove unused ti81xx platform init code
The support for 81xx was never working in mainline, and the broken
legacy booting support has been removed. There are patches coming
to make 81xx boot with device tree, and for that we won't need any
of this legacy platform code, so let's just remove it.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-14 17:21:00 -08:00
Rickard Strandqvist
6e4b4dd539 ARM: davinci: serial.c: remove unused serial_read_reg()
Remove function serial_read_reg() 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: Sekhar Nori <nsekhar@ti.com>
2015-01-14 15:56:12 +05:30
Tony Lindgren
13eeb0f326 ARM: OMAP3: Remove legacy support for am35xx-emac
This is no longer needed now that 3517 is booting in device tree
only mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-13 09:00:38 -08:00
Tony Lindgren
5c5f9b42b5 ARM: OMAP3: Remove cm-t3517 legacy support
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.

By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.

Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-13 08:58:25 -08:00
Tony Lindgren
6b7720f992 ARM: OMAP3: Remove legacy support for am3517crane
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.

By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-13 08:58:24 -08:00
Tony Lindgren
4d62dbda85 ARM: OMAP3: Remove legacy support for am3517-evm
This board is working with device tree based booting so there should
not be any need to keep the legacy booting support around. People
using this board can boot it with appended DTB with existing bootloader.

By removing the 3517 legacy booting support we can get a bit closer to
making all of omap3 boot in device tree only mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-13 08:15:46 -08:00
Olof Johansson
63bdaa9332 Renesas ARM Based SoC Lager Board Removal for v3.20
* Remove legacy r8a7790 SoC and its Lager board code
 * Update serial port names on koelsch and lager boards
 * Remove console bootargs parameter from lager DT
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Merge tag 'renesas-lager-board-removal-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/cleanup

Merge "Renesas ARM Based SoC Lager Board Removal for v3.20" from Simon Horman:

"The serial port rename changes are not strictly related to lager board
removal from a feature point of view. But the lager portion of this change
depends on board removal to avoid a regression of booting using that code,
And thus it seems to make sense to put here. And it seems best to put the
koelsch and lager serial port rename changes in the same branch.

Likewise the removal of bootargs from lager DT depends on removing lager
board code to avoid a regression when using it and thus I have included
it in the same branch."

* Remove legacy r8a7790 SoC and its Lager board code
* Update serial port names on koelsch and lager boards
* Remove console bootargs parameter from lager DT

* tag 'renesas-lager-board-removal-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: lager dts: Drop console= bootargs parameter
  ARM: shmobile: koelsch: Rename SCIF[01] serial ports to ttySC[01]
  ARM: shmobile: lager: Rename SCIFA[01] serial ports to ttySC[01]
  ARM: shmobile: r8a7790: Remove legacy code
  ARM: shmobile: lager: Remove legacy board support
  ARM: shmobile: lager-reference: DTS-only board support

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-12 14:25:55 -08:00
Linus Torvalds
0cbaed1d8c Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "Three small fixes from over the Christmas period, and wiring up the
  new execveat syscall for ARM"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: 8275/1: mm: fix PMD_SECT_RDONLY undeclared compile error
  ARM: 8253/1: mm: use phys_addr_t type in map_lowmem() for kernel mem region
  ARM: 8249/1: mm: dump: don't skip regions
  ARM: wire up execveat syscall
2015-01-11 12:44:10 -08:00
Linus Torvalds
ddb321a8dd Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Mostly tooling fixes, but also some kernel side fixes: uncore PMU
  driver fix, user regs sampling fix and an instruction decoder fix that
  unbreaks PEBS precise sampling"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/uncore/hsw-ep: Handle systems with only two SBOXes
  perf/x86_64: Improve user regs sampling
  perf: Move task_pt_regs sampling into arch code
  x86: Fix off-by-one in instruction decoder
  perf hists browser: Fix segfault when showing callchain
  perf callchain: Free callchains when hist entries are deleted
  perf hists: Fix children sort key behavior
  perf diff: Fix to sort by baseline field by default
  perf list: Fix --raw-dump option
  perf probe: Fix crash in dwarf_getcfi_elf
  perf probe: Fix to fall back to find probe point in symbols
  perf callchain: Append callchains only when requested
  perf ui/tui: Print backtrace symbols when segfault occurs
  perf report: Show progress bar for output resorting
2015-01-11 11:47:45 -08:00
Victor Kamensky
1e3479225a ARM: 8275/1: mm: fix PMD_SECT_RDONLY undeclared compile error
In v3.19-rc3 tree when CONFIG_ARM_LPAE and CONFIG_DEBUG_RODATA are enabled
image failed to compile with the following error:

arch/arm/mm/init.c:661:14: error: ‘PMD_SECT_RDONLY’ undeclared here (not in a function)

It seems that '80d6b0c ARM: mm: allow text and rodata sections to be read-only'
and 'ded9477 ARM: 8109/1: mm: Modify pte_write and pmd_write logic for LPAE'
commits crossed. 80d6b0c uses PMD_SECT_RDONLY macro but ded9477 renames it
and uses software bits L_PMD_SECT_RDONLY instead.

Fix is to use L_PMD_SECT_RDONLY instead PMD_SECT_RDONLY as ded9477 does in
another places.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-09 20:44:12 +00:00
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
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
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
Rickard Strandqvist
a61a141db8 ARM: OMAP1: timer32k.c: Remove unused function
Remove the function omap_32k_timer_read() 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
Rickard Strandqvist
25644f8e7f ARM: OMAP1: irq.c: Remove unused function
Remove the function irq_bank_readl() 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
Rickard Strandqvist
cd0007e283 ARM: OMAP2+: omap-pm-noop.c: Remove some unused functions
Removes some functions that are not used anywhere:
omap_pm_set_max_dev_wakeup_lat() omap_pm_if_exit() omap_pm_cpu_get_freq()
omap_pm_cpu_set_freq() omap_pm_cpu_get_freq_table() omap_pm_dsp_get_opp()
omap_pm_dsp_set_min_opp() omap_pm_dsp_get_opp_table()
omap_pm_set_min_clk_rate() omap_pm_set_max_sdma_lat()

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
Rickard Strandqvist
b91dc63b2d ARM: OMAP2+: voltage: Remove some unused functions
Removes some functions that are not used anywhere:
omap_change_voltscale_method() voltdm_add_pwrdm()
voltdm_for_each() voltdm_for_each_pwrdm()

And remove define VOLTSCALE_VPFORCEUPDATE and VOLTSCALE_VCBYPASS

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
Rickard Strandqvist
10637afb91 ARM: OMAP2+: powerdomain.c: Remove some unused functions
Removes some functions that are not used anywhere:
pwrdm_get_voltdm() pwrdm_for_each_clkdm() pwrdm_del_clkdm()

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

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-01-07 09:53:51 -08:00
Rickard Strandqvist
1bbc360bb7 ARM: OMAP2+: omap_hwmod.c: Remove some unused functions
Removes some functions that are not used anywhere:
omap_hwmod_pad_route_irq() omap_hwmod_no_setup_reset()
omap_hwmod_read_hardreset() omap_hwmod_del_initiator_dep()
omap_hwmod_enable_clocks() omap_hwmod_reset() omap_hwmod_ocp_barrier()
omap_hwmod_disable_clocks() omap_hwmod_add_initiator_dep()

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
Rickard Strandqvist
cecec93df8 ARM: OMAP2+: dpll44xx.c: Remove unused function
Remove the function omap4_dpllmx_gatectrl_read() 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