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Date:   Sat, 16 Jan 2021 11:27:36 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Russell King <rmk+kernel@....linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Will Deacon <will.deacon@....com>,
        "Haojian Zhuang" <haojian.zhuang@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Rob Herring <robh+dt@...nel.org>,
        Wei Xu <xuwei5@...ilicon.com>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH v5 0/4] ARM: Add support for Hisilicon Kunpeng L3 cache controller

v4 --> v5:
1. Add SoC macro ARCH_KUNPENG50X, and the Kunpeng L3 cache controller only enabled
   on that platform.
2. Require the compatible string of the Kunpeng L3 cache controller must have a
   relevant name on a specific SoC. For example:
   compatible = "hisilicon,kunpeng509-l3cache", "hisilicon,kunpeng-l3cache";

v3 --> v4:
Rename the compatible string from "hisilicon,l3cache" to "hisilicon,kunpeng-l3cache".
Then adjust the file name, configuration option name, and description accordingly.

v2 --> v3:
Add Hisilicon L3 cache controller driver and its document. That's: patch 2-3.

v1 --> v2:
Discard the middle-tier functions and do silent narrowing cast in the outcache
hook functions. For example:
-static void l2c220_inv_range(unsigned long start, unsigned long end)
+static void l2c220_inv_range(phys_addr_t pa_start, phys_addr_t pa_end)
 {
+	unsigned long start = pa_start;
+	unsigned long end = pa_end;


v1:
Do cast phys_addr_t to unsigned long by adding a middle-tier function.
For example:
-static void l2c220_inv_range(unsigned long start, unsigned long end)
+static void __l2c220_inv_range(unsigned long start, unsigned long end)
 {
 	...
 }
+static void l2c220_inv_range(phys_addr_t start, phys_addr_t end)
+{
+  __l2c220_inv_range(start, end);
+}


Zhen Lei (4):
  ARM: LPAE: Use phys_addr_t instead of unsigned long in outercache
    hooks
  ARM: hisi: add support for Kunpeng50x SoC
  dt-bindings: arm: hisilicon: Add binding for Kunpeng L3 cache
    controller
  ARM: Add support for Hisilicon Kunpeng L3 cache controller

 .../arm/hisilicon/kunpeng-l3cache.yaml        |  40 +++++
 arch/arm/include/asm/outercache.h             |   6 +-
 arch/arm/mach-hisi/Kconfig                    |   8 +
 arch/arm/mm/Kconfig                           |  10 ++
 arch/arm/mm/Makefile                          |   1 +
 arch/arm/mm/cache-feroceon-l2.c               |  15 +-
 arch/arm/mm/cache-kunpeng-l3.c                | 153 ++++++++++++++++++
 arch/arm/mm/cache-kunpeng-l3.h                |  30 ++++
 arch/arm/mm/cache-l2x0.c                      |  50 ++++--
 arch/arm/mm/cache-tauros2.c                   |  15 +-
 arch/arm/mm/cache-uniphier.c                  |   6 +-
 arch/arm/mm/cache-xsc3l2.c                    |  12 +-
 12 files changed, 317 insertions(+), 29 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml
 create mode 100644 arch/arm/mm/cache-kunpeng-l3.c
 create mode 100644 arch/arm/mm/cache-kunpeng-l3.h

-- 
2.26.0.106.g9fadedd


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