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Author SHA1 Message Date
Huacai Chen d051472824 MIPS: Loongson-3: Move chipset ACPI code from drivers to arch 
SB700/SB710/SB800 chipset ACPI code is mostly Loongson-3 specific
routines rather than a "platform driver".

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <sjhill@realitydiluted.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11273/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:13 +02:00
Antonio Ospite 44896afe21 MIPS: BCM1480: bcm1480_regs.h: strip redundant comments 
Strip some comments which probably meant to repeat the same value of the
define; they also contained a confusing 0x0x prefix.

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12254/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:13 +02:00
James Hogan 50af501cd8 MIPS: Add and use watch register field definitions 
The files watch.c and ptrace.c contain various magic masks for
WatchLo/WatchHi register fields. Add some definitions to mipsregs.h for
these registers and make use of them in both watch.c and ptrace.c,
hopefully making them more readable.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12729/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:13 +02:00
James Hogan e233c73378 MIPS: Add and use CAUSEF_WP definition 
do_watch() clears bit 22 of cause without using a CAUSEF_* definition
from mipsregs.h. Add a definition for this bit (CAUSEF_WP) and make use
of it. Also use clear_c0_cause() instead of manual read/modify/write.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12728/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:13 +02:00
Purna Chandra Mandal b0d8a082ce watchdog: pic32-dmt: Add PIC32 deadman timer driver 
Adds support for the deadman timer peripheral found on PIC32 class devices.

The primary function of the deadman timer (DMT) is to reset the processor
in the event of a software malfunction. The DMT is a free-running
instruction fetch timer, which is clocked whenever an instruction fetch
occurs until a count match occurs. Instructions are not fetched when
the processor is in sleep mode.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12703/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:12 +02:00
Purna Chandra Mandal bfa43267bc dt/bindings: Add bindings for PIC32 deadman timer peripheral 
Document the devicetree bindings for the deadman timer peripheral found on
Microchip PIC32 SoC class devices.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12702/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:12 +02:00
Joshua Henderson 8f91fc56bc watchdog: pic32-wdt: Add PIC32 watchdog driver 
Add support for the watchdog peripheral found on PIC32 class
devices.

Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12701/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:12 +02:00
Joshua Henderson 80c2902b3f dt/bindings: Add bindings for PIC32 watchdog peripheral 
Document the devicetree bindings for the watchdog peripheral found on
Microchip PIC32 SoC class devices.

Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12700/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:12 +02:00
Andrzej Hajda ba837d3871 MIPS: module: fix incorrect IS_ERR_VALUE macro usages 
IS_ERR_VALUE macro should be used only with unsigned long type.
Specifically it works incorrectly with longer types.

The patch follows conclusion from discussion on LKML [1][2].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2120927
[2]: http://permalink.gmane.org/gmane.linux.kernel/2150581

[ralf@linux-mips.org: While it may not immediately be obvious, the type
of st_value in the end is an unsigned long equivalent so the invocation
of IS_ERR_VALUE() was valid but I'm applying the patch anyway for
clarity.]

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12553/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:11 +02:00
Maciej W. Rozycki acd9e20cd9 MIPS: math-emu: Always propagate sNaN payload in quieting 
Propagate sNaN payload in quieting in the legacy-NaN mode as well.  If
clearing the quiet bit would produce infinity, then set the next lower
trailing significand field bit, matching the SB-1 and BMIPS5000 hardware
implementations.  Some other MIPS FPU hardware implementations do
produce the default qNaN bit pattern instead.

This reverts some changes made for semantics preservation with commit
dc3ddf42 [MIPS: math-emu: Update sNaN quieting handlers], consequently
bringing back most of the semantics from before commit fdffbafb [Lots of
FPU bug fixes from Kjeld Borch Egevang.], except from the qNaN produced
in the infinity case.  Previously the default qNaN bit pattern was
produced in that case.

Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Fortune <Matthew.Fortune@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11483/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:11 +02:00
Maciej W. Rozycki 2e5832ab58 MIPS: ELF: Restructure personality macros 
Update the ELF personality macros used for individual ABIs to make
actions in the same order across all of them and match formatting too.

Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Fortune <Matthew.Fortune@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:11 +02:00
James Hogan 987e5b8344 MIPS: Fix uapi include in exported asm/siginfo.h 
Since commit 8cb48fe169 ("MIPS: Provide correct siginfo_t.si_stime"),
MIPS' uapi/asm/siginfo.h has included uapi/asm-generic/siginfo.h
directly before defining MIPS' struct siginfo, in order to get the
necessary definitions needed for the siginfo struct without the generic
copy_siginfo() hitting compiler errors due to struct siginfo not yet
being defined.

Now that the generic copy_siginfo() is moved out to linux/signal.h we
can safely include asm-generic/siginfo.h before defining the MIPS
specific struct siginfo, which avoids the uapi/ include as well as
breakage due to generic copy_siginfo() being defined before struct
siginfo.

Reported-by: Christopher Ferris <cferris@google.com>
Fixes: 8cb48fe169 ("MIPS: Provide correct siginfo_t.si_stime")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Petr Malat <oss@malat.biz>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 4.0-
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:11 +02:00
James Hogan ca9eb49aa9 SIGNAL: Move generic copy_siginfo() to signal.h 
The generic copy_siginfo() is currently defined in
asm-generic/siginfo.h, after including uapi/asm-generic/siginfo.h which
defines the generic struct siginfo. However this makes it awkward for an
architecture to use it if it has to define its own struct siginfo (e.g.
MIPS and potentially IA64), since it means that asm-generic/siginfo.h
can only be included after defining the arch-specific siginfo, which may
be problematic if the arch-specific definition needs definitions from
uapi/asm-generic/siginfo.h.

It is possible to work around this by first including
uapi/asm-generic/siginfo.h to get the constants before defining the
arch-specific siginfo, and include asm-generic/siginfo.h after. However
uapi headers can't be included by other uapi headers, so that first
include has to be in an ifdef __kernel__, with the non __kernel__ case
including the non-UAPI header instead.

Instead of that mess, move the generic copy_siginfo() definition into
linux/signal.h, which allows an arch-specific uapi/asm/siginfo.h to
include asm-generic/siginfo.h and define the arch-specific siginfo, and
for the generic copy_siginfo() to see that arch-specific definition.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Petr Malat <oss@malat.biz>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Christopher Ferris <cferris@google.com>
Cc: linux-arch@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: <stable@vger.kernel.org> # 4.0-
Patchwork: https://patchwork.linux-mips.org/patch/12478/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:10 +02:00
Yang Shi 0e8c1a3247 MIPS: Octeon: Mark some functions __init in smp.c 
octeon_smp_setup and octeon_prepare_cpus are just used during initialization
period, so mark them as __init. And, octeon_prepare_cpus is just used in smp.c,
so make it static as well.

Signed-off-by: Yang Shi <yang.shi@windriver.com>
Cc: david.daney@cavium.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12574/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:10 +02:00
Álvaro Fernández Rojas 2d52ee82b4 MIPS: BMIPS: Improve BCM6368 device tree 
- Remove unneeded leds0 alias.
- Switch to bcm6345-l1-intc interrupt controller.
- Use interrupt-controller instead of periph_intc and cpu_intc.
- Add uart1 node.
- Single ohci and ehci nodes.
- Avoid using underscores in node names.
- Rename uart aliases to serial.
- Remove blank line in cpus node.

[ralf@linux-mips.org: fix references in bcm96368mvwg.dts so the file keeps
building.]

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:10 +02:00
Álvaro Fernández Rojas e3b992d028 MIPS: BMIPS: Improve BCM6328 device tree 
- Remove unneeded leds0 alias.
- Switch to bcm6345-l1-intc interrupt controller.
- Use interrupt-controller instead of periph_intc and cpu_intc.
- Add uart1, ehci and ohci nodes.
- Refactor syscon and syscon-reboot.
- Avoid using underscores in node names.
- Rename uart aliases to serial.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13043/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:09 +02:00
Álvaro Fernández Rojas 3652acd231 MIPS: BMIPS: Add support for BCM63268 
This SoC is very similar to BCM63168 and Broadcom usually refers to them as
BCM63268.
Add BCM63268 and missing BCM63168 to device tree documentation.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13042/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:09 +02:00
Álvaro Fernández Rojas 7537d273e2 MIPS: BMIPS: Add device tree example for BCM6358 
This adds a device tree example for SFR Neufbox4 (Sercomm version), which
also serves as a real example for brcm,bcm6358-leds.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13041/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:09 +02:00
Álvaro Fernández Rojas 3604b4510c MIPS: BMIPS: Add BCM6358 support 
BCM6358 has a shared TLB which conflicts with current SMP support, so it must
be disabled for now.
BCM6358 uses >= 0xfffe0000 addresses for internal registers, which need to be
remapped (by using a simplified version of BRCM63xx ioremap.h).
However, 0xfff80000 is a better address, since it also covers BCM3368, leaving
the possibility to add it in the future.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13040/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:09 +02:00
Kelvin Cheung 65b2849a02 CPUFREQ: Loongson1: Replace goto out with return in ls1x_cpufreq_probe() 
This patch replaces goto out with return in ls1x_cpufreq_probe().

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: linux-pm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13056/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:08 +02:00
Kelvin Cheung 99bf2e6898 CPUFREQ: Loongson1: Use devm_kzalloc() instead of global structure 
This patch uses devm_kzalloc() instead of global structure.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: linux-pm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13055/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:08 +02:00
Kelvin Cheung 25581d2b76 CPUFREQ: Loongson1: Use dev_get_platdata() to get platform_data 
This patch uses dev_get_platdata() to get the platform_data
instead of referencing it directly.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: linux-pm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13054/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:08 +02:00
Kelvin Cheung 379e38a763 CPUFREQ: Loongson1: Replace kzalloc() with kcalloc() 
This patch replaces kzalloc() with kcalloc() when allocating
frequency table, and remove unnecessary 'out of memory' message.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: linux-pm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13053/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:08 +02:00
Kelvin Cheung 6a1d55ccd8 CPUFREQ: Loongson1: Rename the file to loongson1-cpufreq.c 
This patch renames the file to loongson1-cpufreq.c,
and also includes some minor updates.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: linux-pm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13052/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:08 +02:00
Florian Fainelli 37808d62af MIPS: BMIPS: Pretty print BMIPS5200 processor name 
Just to ease debugging of multiplatform kernel, make sure we print
"Broadcom BMIPS5200" for the BMIPS5200 implementation instead of
Broadcom BMIPS5000.

Fixes: 68e6a78373 ("MIPS: BMIPS: Add PRId for BMIPS5200 (Whirlwind)")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/13014/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 14:02:07 +02:00