linux-kernel - [PATCH v4 0/3] ARM: uniphier: add outer cache support and rework SMP operations

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Message-Id: <1443610906-8608-1-git-send-email-yamada.masahiro@socionext.com>
Date:	Wed, 30 Sep 2015 20:01:43 +0900
From:	Masahiro Yamada <yamada.masahiro@...ionext.com>
To:	linux-arm-kernel@...ts.infradead.org, arm@...nel.org
Cc:	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	Arnd Bergmann <arnd@...db.de>, Jiri Slaby <jslaby@...e.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Kumar Gala <galak@...eaurora.org>,
	Jungseung Lee <js07.lee@...il.com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Nishanth Menon <nm@...com>, Pawel Moll <pawel.moll@....com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tomasz Figa <t.figa@...sung.com>, devicetree@...r.kernel.org,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Russell King <linux@....linux.org.uk>,
	Nathan Lynch <nathan_lynch@...tor.com>,
	Kees Cook <keescook@...omium.org>,
	Paul Bolle <pebolle@...cali.nl>, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Joe Perches <joe@...ches.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, Tony Lindgren <tony@...mide.com>,
	Mark Rutland <mark.rutland@....com>
Subject: [PATCH v4 0/3] ARM: uniphier: add outer cache support and rework SMP operations

Hi Olof,

Now Linux 4.3-rc1 is out, so I am back to this.

1/3: add outer cache support
2/3: rework SMP operations
3/3: add device tree nodes

Because 2/3 highly depends on 1/3, I hope whole of this series
is applied through ARM-SOC tree.


Changes in v4:
  - Add more detailed comments to explain why no spin lock is needed
  - Add two examples to the binding document

Changes in v3:
  - Drop bogus includes

Changes in v2:
  - Use pr_fmt() to have pr_<level> are automatically prefixed
  - Re-design to initialize the outer cache earlier in init_IRQ()
  - Require DT properties such as "cacne-unified", "cache-size",
    "cache-sets", "cache-size", "cache-line-size".
  - Follow "next-level-cache" property to search further outer caches

Masahiro Yamada (3):
  ARM: uniphier: add outer cache support
  ARM: uniphier: rework SMP operations to use trampoline code
  ARM: dts: uniphier: add outer cache controller nodes

 .../bindings/arm/uniphier/cache-uniphier.txt       |  60 +++
 MAINTAINERS                                        |   2 +
 arch/arm/boot/dts/uniphier-ph1-ld4.dtsi            |  13 +
 arch/arm/boot/dts/uniphier-ph1-pro4.dtsi           |  14 +
 arch/arm/boot/dts/uniphier-ph1-pro5.dtsi           |  27 +
 arch/arm/boot/dts/uniphier-ph1-sld3.dtsi           |  14 +
 arch/arm/boot/dts/uniphier-ph1-sld8.dtsi           |  13 +
 arch/arm/boot/dts/uniphier-proxstream2.dtsi        |  16 +
 arch/arm/include/asm/hardware/cache-uniphier.h     |  46 ++
 arch/arm/kernel/irq.c                              |   3 +
 arch/arm/mach-uniphier/Makefile                    |   2 +-
 arch/arm/mach-uniphier/headsmp.S                   |  43 ++
 arch/arm/mach-uniphier/platsmp.c                   | 185 +++++--
 arch/arm/mm/Kconfig                                |  10 +
 arch/arm/mm/Makefile                               |   1 +
 arch/arm/mm/cache-uniphier.c                       | 554 +++++++++++++++++++++
 16 files changed, 972 insertions(+), 31 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/arm/uniphier/cache-uniphier.txt
 create mode 100644 arch/arm/include/asm/hardware/cache-uniphier.h
 create mode 100644 arch/arm/mach-uniphier/headsmp.S
 create mode 100644 arch/arm/mm/cache-uniphier.c

-- 
1.9.1

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