netdev - [RFC v2 0/5] arm64 / clk: socfpga: simplifying, cleanups and compile testing

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Date:   Wed, 10 Mar 2021 09:33:22 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Moritz Fischer <mdf@...nel.org>, Tom Rix <trix@...hat.com>,
        Lee Jones <lee.jones@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-edac@...r.kernel.org, linux-fpga@...r.kernel.org,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        arm@...nel.org, soc@...nel.org, Arnd Bergmann <arnd@...db.de>,
        Olof Johansson <olof@...om.net>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Subject: [RFC v2 0/5] arm64 / clk: socfpga: simplifying, cleanups and compile testing

Hi,

All three Intel arm64 SoCFPGA architectures (Agilex, N5X and Stratix 10)
are basically flavors/platforms of the same architecture.  At least from
the Linux point of view.  Up to a point that N5X and Agilex share DTSI.
Having three top-level architectures for the same one barely makes
sense and complicates driver selection.

Try to unify them.

Changes since v1:
=================
1. New patch 3/5: arm64: socfpga: rename ARCH_STRATIX10 to ARCH_SOCFPGA64
2. New patch 4/5: arm64: intel: merge Agilex and N5X into ARCH_SOCFPGA64
3. Fix build issue reported by kernel test robot (with ARCH_STRATIX10
   and COMPILE_TEST but without selecting some of the clocks).

I tested compile builds on few configurations, so I hope kbuild 0-day
will check more options (please give it few days on the lists).

Best regards,
Krzysztof


Krzysztof Kozlowski (5):
  clk: socfpga: allow building N5X clocks with ARCH_N5X
  clk: socfpga: build together Stratix 10, Agilex and N5X clock drivers
  arm64: socfpga: rename ARCH_STRATIX10 to ARCH_SOCFPGA64
  arm64: intel: merge Agilex and N5X into ARCH_SOCFPGA64
  clk: socfpga: allow compile testing of Stratix 10 / Agilex clocks

 arch/arm64/Kconfig.platforms                | 17 ++++-------------
 arch/arm64/boot/dts/altera/Makefile         |  2 +-
 arch/arm64/boot/dts/intel/Makefile          |  6 +++---
 arch/arm64/configs/defconfig                |  3 +--
 drivers/clk/Kconfig                         |  1 +
 drivers/clk/Makefile                        |  4 +---
 drivers/clk/socfpga/Kconfig                 | 17 +++++++++++++++++
 drivers/clk/socfpga/Makefile                |  7 +++----
 drivers/edac/Kconfig                        |  2 +-
 drivers/edac/altera_edac.c                  | 10 +++++-----
 drivers/firmware/Kconfig                    |  2 +-
 drivers/fpga/Kconfig                        |  2 +-
 drivers/mfd/Kconfig                         |  2 +-
 drivers/net/ethernet/stmicro/stmmac/Kconfig |  4 ++--
 drivers/reset/Kconfig                       |  2 +-
 15 files changed, 43 insertions(+), 38 deletions(-)
 create mode 100644 drivers/clk/socfpga/Kconfig

-- 
2.25.1