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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren:
Omap fixes for the merge window that are not urgent enough
for the -rc series.
* tag 'omap-for-v3.12/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2: use 'int' instead of 'unsigned' for variable 'gpmc_irq_start'
ARM: OMAP2: remove useless variable 'ret'
ARM: OMAP: dma: fix error return code in omap_system_dma_probe()
ARM: OMAP2+: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD
ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards
ARM: OMAP2: Use a consistent AM33XX SoC option description
ARM: OMAP2+: Remove legacy device creation for McPDM and DMIC
+ Linux 3.11-rc6
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This was added because of some legacy reasons from OMAP SOCs but
after testing and verifying with the keystone hardware folks, the
dsb in keystone_cpu_smc() is not necessary.
So drop it.
Reported-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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Register r12 is caller-save, so no need preserve it keystone_cpu_smc().
Reported-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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arm_dt_init_cpu_maps is called before smp_init_cpus. It makes the
platform/SoC definition of smp_init_cpus unnecessary.
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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The Kconfig symbol HAVE_SCHED_CLOCK got removed in v3.4,
with commit 6905a65879b5 ("ARM: Make the sched_clock
framework mandatory"). But a select statement for it popped up again
through commit 828989ad87af ("ARM: keystone: Add minimal TI Keystone
platform support"). Drop that statement, as it is useless.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
[santosh.shilimkar@ti.com: Minor edit in the subject]
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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Fix the following compilation warning:
arch/arm/mach-keystone/keystone.c:74:2: warning: initialization from incompatible pointer type [enabled by default]
arch/arm/mach-keystone/keystone.c:74:2: warning: (near initialization for ‘__mach_desc_KEYSTONE.restart’) [enabled by default]
Signed-off-by: Vincent Stehlé <vincent.stehle@freescale.com>
Cc: Robin Holt <holt@sgi.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: trivial@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
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The __cpuinit type of throwaway sections might have made sense
some time ago when RAM was more constrained, but now the savings
do not offset the cost and complications. For example, the fix in
commit 5e427ec2d0 ("x86: Fix bit corruption at CPU resume time")
is a good example of the nasty type of bugs that can be created
with improper use of the various __init prefixes.
After a discussion on LKML[1] it was decided that cpuinit should go
the way of devinit and be phased out. Once all the users are gone,
we can then finally remove the macros themselves from linux/init.h.
Note that some harmless section mismatch warnings may result, since
notify_cpu_starting() and cpu_up() are arch independent (kernel/cpu.c)
and are flagged as __cpuinit -- so if we remove the __cpuinit from
the arch specific callers, we will also get section mismatch warnings.
As an intermediate step, we intend to turn the linux/init.h cpuinit
related content into no-ops as early as possible, since that will get
rid of these warnings. In any case, they are temporary and harmless.
This removes all the ARM uses of the __cpuinit macros from C code,
and all __CPUINIT from assembly code. It also had two ".previous"
section statements that were paired off against __CPUINIT
(aka .section ".cpuinit.text") that also get removed here.
[1] https://lkml.org/lkml/2013/5/20/589
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Because of inline asm usage in platsmp.c, smc instruction
creates build failure for ARM V6+V7 build where as using instruction
encoding for smc breaks the thumb2 build.
So move the code snippet to separate asm file and mark
it with 'armv7-a$(plus_sec)' to avoid any build issues.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Selecting this symbol causes a build warning without SMP:
warning: (ARCH_KEYSTONE) selects ARM_ERRATA_798181 which has unmet direct dependencies (CPU_V7 && SMP)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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Add basic SMP support for Keystone machines. This does not
include support for CPU hotplug for now.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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Texas Instruments Keystone family of multi-core devices are
based on ARM Cortex A15. Patch adds basic definitions for a
new Keystone sub-architecture in ARM.
The TCI66xxK2H Communications Infrastructure Keystone SoCs
are member of the C66x family based on TI's new KeyStone 2
multi-core SoC Architecture designed specifically for high
performance wireless and networking infrastructure applications.
The SOCs contains many subsystems like Cortex A15 ARM CorePacs,
C66XX DSP CorePacs, MSMC memory controller, Tera Net bus,
IP Network, Navigator, Hyperlink, 1G/10G Ethernet, Radio layers
and queue based communication systems.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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