Age | Commit message (Collapse) | Author |
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When multiple GICs exist on a platform (RealView PB1176/11MP),
we must make sure the PM notifier block is only registered
once, otherwise we end up corrupting the PM notifier list.
The fix is to only register the notifier when initializing
the first GIC, as the power management functions seem
to iterate over all the registered GICs.
Tested on PB11MP and PB1176.
Reported-by: Will Deacon <will.deacon@arm.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Cc: Colin Cross <ccross@android.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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When compiling kprobes-test-thumb.c an error like below may occur:
/tmp/ccKcuJcG.s:19179: Error: offset out of range
This is caused by the compiler underestimating the size of the inline
assembler instructions containing ".space 0x1000" and failing to spill
the literal pool in time to prevent the generation of PC relative load
instruction with invalid offsets.
The fix implemented by this patch is to replace a single large .space
directive by a number of 4 byte .space's. This requires splitting the
macros which generate test cases for branch instructions into two forms:
one with, and one without support for inserting extra code between
branch and target.
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Jon Medhurst <jon.medhurst@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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dma_alloc_coherent wants to split pages after allocation in order to
reduce the memory footprint. This does not work well with GFP_COMP
pages, so drop this flag before allocation.
This patch is ported from arch/avr32
(commit 3611553ef985ef7c5863c8a94641738addd04cff).
[swarren: s/HUGETLB_PAGE/HUGETLBFS/ in comment, minor comment cleanup]
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The bitops functions (e.g. _test_and_set_bit) on ARM do not have unwind
annotations and therefore the kernel cannot backtrace out of them on a
fatal error (for example, NULL pointer dereference).
This patch annotates the bitops assembly macros with UNWIND annotations
so that we can produce a meaningful backtrace on error. Callers of the
macros are modified to pass their function name as a macro parameter,
enforcing that the macros are used as standalone function implementations.
Acked-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix compilation failure, when Thumb support is not enabled:
arch/arm/kernel/entry-armv.S: Assembler messages:
arch/arm/kernel/entry-armv.S:501: Error: backward ref to unknown label "2:"
arch/arm/kernel/entry-armv.S:502: Error: backward ref to unknown label "3:"
make[2]: *** [arch/arm/kernel/entry-armv.o] Error 1
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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There are already cache type decoding functions, so use those instead
of custom decode code which only works for ARMv6.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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rename all Atmel reference board as soc defconfig
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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fixes-dss
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Fix below compilation failure on mainline kernel 3.2-rc1
when omap_l3_noc.c is built as module.
arch/arm/mach-omap2/omap_l3_noc.c:240: error: expected ',' or ';' before 'MODULE_DEVICE_TABLE'
Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The file arch/arm/mach-omap2/io.h is empty, so we can remove it.
Signed-off-by: Thomas Weber <weber@corscience.de>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch selects ARM_AMBA if OMAP3_EMU is defined because
OC_ETM depends on ARM_AMBA, so fix the link failure[1].
[1],
arch/arm/kernel/built-in.o: In function `etm_remove':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:609: undefined
reference to `amba_release_regions'
arch/arm/kernel/built-in.o: In function `etb_remove':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:409: undefined
reference to `amba_release_regions'
arch/arm/kernel/built-in.o: In function `etm_init':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:640: undefined
reference to `amba_driver_register'
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:646: undefined
reference to `amba_driver_register'
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:648: undefined
reference to `amba_driver_unregister'
arch/arm/kernel/built-in.o: In function `etm_probe':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:545: undefined
reference to `amba_request_regions'
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:595: undefined
reference to `amba_release_regions'
arch/arm/kernel/built-in.o: In function `etb_probe':
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:347: undefined
reference to `amba_request_regions'
/home/tom/git/omap/linux-2.6-omap/arch/arm/kernel/etm.c:392: undefined
reference to `amba_release_regions'
arch/arm/mach-omap2/built-in.o: In function `emu_init':
/home/tom/git/omap/linux-2.6-omap/arch/arm/mach-omap2/emu.c:62:
undefined reference to `amba_device_register'
/home/tom/git/omap/linux-2.6-omap/arch/arm/mach-omap2/emu.c:63:
undefined reference to `amba_device_register'
make: *** [.tmp_vmlinux1] Error 1
making modules
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Fix a bug which has been on this driver since
it was added by the original commit 984aa6db
which would never clear IRQSTATUS bits.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Current code registers voltage layer details for TWL PMIC even when a TWL
has not been registered. Fix this to only register the TWL with voltage
layer when the TWL PMIC is initialized by board-level code.
Signed-off-by: Kevin Hilman <khilman@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The address spaces, irqs and dma reqs count APIs return the
number of corresponding entries in a hwmod including a additional
null value or a -1 terminator in the structure introduced recently.
More information here:
- 212738a4: omap_hwmod: use a terminator record with omap_hwmod_mpu_irqs
arrays
- 78183f3f: omap_hwmod: use a null structure record to terminate
omap_hwmod_addr_space arrays
- bc614958: omap_hwmod: use a terminator record with omap_hwmod_dma_info
arrays
The issue with irqs and dma info was originally reported by Benoit Cousson.
The devices which have multiple hwmods and use device_build_ss are
broken with this, as their resources are populated with a extra null
value, subsequently the probe fails. So fix the API not to include
the array terminator in the count.
Reported-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimar@ti.com>
Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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into fixes
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
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git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into fixes
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into fixes
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reg | (1 << clk->enable_shift) always evaluates to true. Switch it
to & which makes much more sense. Same fix as 13be9f00 (ARM i.MX28: fix
bit operation) at a different location.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: stable@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into fixes
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Attempting to use a hardware counter on a platform with a supported PMU
but where the platform_device (defining the interrupts) has not been
registered results in a NULL pointer dereference.
This patch fixes the problem by checking that we actually have a platform
device registered before attempting to grab the interrupts.
Reported-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Conflicts:
arch/arm/mach-imx/mm-imx3.c
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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'fixes/maintainer-update' into imx-fixes
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The arch_ioremap function on i.MX is now an indirect function pointer.
In order to use it from any loadable module, the pointer itself
has to be exported.
ERROR: "imx_ioremap" [drivers/video/tmiofb.ko] undefined!
ERROR: "imx_ioremap" [drivers/usb/host/sl811-hcd.ko] undefined!
ERROR: "imx_ioremap" [drivers/usb/host/r8a66597-hcd.ko] undefined!
ERROR: "imx_ioremap" [drivers/usb/host/oxu210hp-hcd.ko] undefined!
ERROR: "imx_ioremap" [drivers/usb/gadget/r8a66597-udc.ko] undefined!
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This fixes building a kernel for only one of the two SOCs. Without this
patch an i.MX31 only build fails with:
arch/arm/mach-imx/built-in.o: In function `imx35_init_early':
mach-bug.c:(.init.text+0x2c): undefined reference to `mxc_iomux_v3_init'
arch/arm/mach-imx/built-in.o: In function `imx35_soc_init':
mach-bug.c:(.init.text+0xe4): undefined reference to `mx35_revision'
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Fix the following warnings reported by checkpatch:
WARNING: Use #include <linux/io.h> instead of <asm/io.h>
#19: FILE: arm/mach-imx/cpu-imx5.c:19:
+#include <asm/io.h>
WARNING: line over 80 characters
#70: FILE: arm/mach-imx/cpu-imx5.c:70:
+ if (mx51_revision() < IMX_CHIP_REVISION_3_0 && (elf_hwcap & HWCAP_NEON)) {
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Commit 27ad4bf72a ("ARM: imx: move mx3 support to mach-imx") kept
ARCH_MX31 and ARCH_MX35 'for compatibility'. Now that they aren't
actually used anymore, they can be dropped entirely.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Commit 99d1717d (ARM: Add init_consistent_dma_size()) introduces dynamic
allocation of the consistent_pte array. The number of PTEs should be
calculated based on the number of PMD entries rather than PGD, hence the
PMD_SHIFT.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jon Medhurst <tixy@yxit.co.uk>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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scctl should be shifted by CC_SRCCTRL_SHFT and dcctl by
CC_DSTCCTRL_SHFT, not the other way round.
Reference: <1320244259-10496-4-git-send-email-javi.merino@arm.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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When the manager is running non-secure, the only channels that can
issue interrupts are the ones that have a 1 in their corresponding bit
in Configuration Register 3. The other ones will generate an abort
when trying to signal the end of the transaction so they are useless
in non-secure mode.
Reference: <1320244259-10496-2-git-send-email-javi.merino@arm.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The Kconfig options for the PL310 errata workarounds do not use a
consistent naming scheme for either the config option or the bool
description.
This patch tidies up the options by ensuring that the bool descriptions
are prefixed with "PL310 errata:" and the config options are prefixed
with PL310_ERRATA_, making it much clearer in menuconfig as to what the
workarounds are for.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch implements a workaround for PL310 erratum 769419. On
revisions of the PL310 prior to r3p2, the Store Buffer does not
automatically drain. This can cause normal, non-cacheable writes to be
retained when the memory system is idle, leading to suboptimal I/O
performance for drivers using coherent DMA.
This patch adds an optional wmb() call to the cpu_idle loop. On systems
with an outer cache, this causes an explicit flush of the store buffer.
Cc: stable@vger.kernel.org
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm:
ARM: wire up process_vm_writev and process_vm_readv syscalls
ARM: 7160/1: setup: avoid overflowing {elf,arch}_name from proc_info_list
ARM: 7158/1: add new MFP implement for NUC900
ARM: 7157/1: fix a building WARNING for nuc900
ARM: 7156/1: l2x0: fix compile error on !CONFIG_USE_OF
ARM: 7155/1: arch.h: Declare 'pt_regs' locally
ARM: 7154/1: mach-bcmring: fix build error in dma.c
ARM: 7153/1: mach-bcmring: fix build error in core.c
ARM: 7152/1: distclean: Remove generated .dtb files
ARM: 7150/1: Allow kernel unaligned accesses on ARMv6+ processors
ARM: 7149/1: spi/pl022: Enable clock in probe
Revert "ARM: 7098/1: kdump: copy kernel relocation code at the kexec prepare stage"
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / Suspend: Fix bug in suspend statistics update
PM / Hibernate: Fix the early termination of test modes
PM / shmobile: Fix build of sh7372_pm_init() for CONFIG_PM unset
PM Sleep: Do not extend wakeup paths to devices with ignore_children set
PM / driver core: disable device's runtime PM during shutdown
PM / devfreq: correct Kconfig dependency
PM / devfreq: fix use after free in devfreq_remove_device
PM / shmobile: Avoid restoring the INTCS state during initialization
PM / devfreq: Remove compiler error after irq.h update
PM / QoS: Properly use the WARN() macro in dev_pm_qos_add_request()
PM / Clocks: Only disable enabled clocks in pm_clk_suspend()
ARM: mach-shmobile: sh7372 A3SP no_suspend_console fix
PM / shmobile: Don't skip debugging output in pd_power_up()
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Fix build regression introduced by commit 056879d2f244001b2888cdc8cf
(ARM: mach-shmobile: sh7372 A3SP no_suspend_console fix) by moving
the intialization of the A3SP domain to a separate function and
providing an empty definition of it for CONFIG_PM unset.
Reported-and-tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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These two syscalls were introduced during the last merge window.
Add the entries into the ARM call tables for them.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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When validating an event group, we call pmu->get_event_idx for each
group member in order to check that the group can be scheduled as a
unit on an empty PMU.
As a result of 3fc2c830 ("ARM: perf: remove event limit from
pmu_hw_events"), the used_mask member of struct cpu_hw_events must be
setup explicitly, something which we don't do for the fake cpu_hw_events
used for validation.
This patch sets up an empty used_mask for the fake validation
cpu_hw_events, preventing NULL deferences when trying to get the event
index.
Reported-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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map_io is the only place to call iotable_init.
Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
[shawn.guo: rename imx_clock_map_io() to imx6q_clock_map_io()]
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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There is no SSP0, but SSP1 is used on gplugd as an I2S port.
Acked-by: Tanmay Upadhyay <tanmay.upadhyay@einfochips.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Add entry m28evk to fix the following mxs build breakage.
CHK include/generated/compile.h
CC arch/arm/mach-mxs/clock-mx28.o
arch/arm/mach-mxs/clock-mx28.c: In function 'clk_misc_init':
arch/arm/mach-mxs/clock-mx28.c:748: error: implicit declaration of
function 'machine_is_m28evk'
make[1]: *** [arch/arm/mach-mxs/clock-mx28.o] Error 1
make: *** [arch/arm/mach-mxs] Error 2
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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Include linux/types.h to fix below build error:
CC drivers/power/max8903_charger.o
In file included from arch/arm/plat-samsung/include/plat/gpio-fns.h:27,
from arch/arm/mach-s3c2410/include/mach/gpio-fns.h:1,
from arch/arm/mach-s3c2410/include/mach/gpio.h:27,
from /home/axel/repos/git/linux-2.6/arch/arm/include/asm/gpio.h:5,
from include/linux/gpio.h:30,
from drivers/power/max8903_charger.c:23:
arch/arm/plat-samsung/include/plat/gpio-cfg.h:27: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:28: error: expected '=', ',', ';', 'asm' or '__attribute__' before 's5p_gpio_drvstr_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:55: error: expected specifier-qualifier-list before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:146: error: expected declaration specifiers or '...' before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:154: error: expected '=', ',', ';', 'asm' or '__attribute__' before 's3c_gpio_getpull'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:173: error: expected declaration specifiers or '...' before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h: In function 's3c_gpio_cfgrange_nopull':
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: '__force' undeclared (first use in this function)
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: (Each undeclared identifier is reported only once
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: for each function it appears in.)
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: expected ')' before 'samsung_gpio_pull_t'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: expected ')' before numeric constant
arch/arm/plat-samsung/include/plat/gpio-cfg.h:178: error: too many arguments to function 's3c_gpio_cfgall_range'
arch/arm/plat-samsung/include/plat/gpio-cfg.h: At top level:
arch/arm/plat-samsung/include/plat/gpio-cfg.h:197: error: expected '=', ',', ';', 'asm' or '__attribute__' before 's5p_gpio_get_drvstr'
arch/arm/plat-samsung/include/plat/gpio-cfg.h:208: error: expected declaration specifiers or '...' before 's5p_gpio_drvstr_t'
make[2]: *** [drivers/power/max8903_charger.o] Error 1
make[1]: *** [drivers/power] Error 2
make: *** [drivers] Error 2
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Only for THIS_MODULE, the <linux/export.h> file should be
added instead of <linux/module.h>.
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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