From: Arnd Bergmann <arnd@arndb.de>
To: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Tom Rix <trix@redhat.com>, Lee Jones <lee.jones@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Dinh Nguyen <dinguyen@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Moritz Fischer <mdf@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
DTML <devicetree@vger.kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
linux-edac@vger.kernel.org, linux-fpga@vger.kernel.org,
Networking <netdev@vger.kernel.org>,
linux-stm32@st-md-mailman.stormreply.com,
arm-soc <arm@kernel.org>, SoC Team <soc@kernel.org>,
Olof Johansson <olof@lixom.net>
Subject: Re: [RFC v2 3/5] arm64: socfpga: rename ARCH_STRATIX10 to ARCH_SOCFPGA64
Date: Thu, 11 Mar 2021 10:14:49 +0100 [thread overview]
Message-ID: <CAK8P3a05VkttECKTgonxKCSjJR0W4V1TRrUYMydgUGywbCSCWQ@mail.gmail.com> (raw)
In-Reply-To: <fb0d8ca3-ac46-f547-02b0-7f47ff8fff6b@canonical.com>
On Thu, Mar 11, 2021 at 8:08 AM Krzysztof Kozlowski
<krzysztof.kozlowski@canonical.com> wrote:
> On 10/03/2021 17:42, Arnd Bergmann wrote:
> > On Wed, Mar 10, 2021 at 4:54 PM Krzysztof Kozlowski
> > <krzysztof.kozlowski@canonical.com> wrote:
> >> On 10/03/2021 16:47, Krzysztof Kozlowski wrote:
> >>> This edac Altera driver is very weird... it uses the same compatible
> >>> differently depending whether this is 32-bit or 64-bit (e.g. Stratix
> >>> 10)! On ARMv7 the compatible means for example one IRQ... On ARMv8, we
> >>> have two. It's quite a new code (2019 from Intel), not some ancient
> >>> legacy, so it should never have been accepted...
> >>
> >> Oh, it's not that horrible as it sounds. They actually have different
> >> compatibles for edac driver with these differences (e.g. in interrupts).
> >> They just do not use them and instead check for the basic (common?)
> >> compatible and architecture... Anyway without testing I am not the
> >> person to fix the edac driver.
> >
> > Ok, This should be fixed properly as you describe, but as a quick hack
> > it wouldn't be hard to just change the #ifdef to check for CONFIG_64BIT
> > instead of CONFIG_ARCH_STRATIX10 during the rename of the config
> > symbol.
>
> This would work. The trouble with renaming ARCH_SOCFPGA into
> ARCH_INTEL_SOCFPGA is that still SOCFPGA will appear in many other
> Kconfig symbols or even directory paths.
>
> Let me use ARCH_INTEL_SOCFPGA for 64bit here and renaming of 32bit a
> little bit later.
Maybe you can introduce a hidden 'ARCH_INTEL_SOCFPGA' option first
and select that from both the 32-bit and the 64-bit platforms in the first step.
That should decouple the cleanups, so you can change the drivers to
(only) 'depends on ARCH_INTEL_SOCFPGA' before removing the other
names.
Arnd
next prev parent reply other threads:[~2021-03-11 9:15 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-10 8:33 [RFC v2 0/5] arm64 / clk: socfpga: simplifying, cleanups and compile testing Krzysztof Kozlowski
2021-03-10 8:33 ` [RFC v2 1/5] clk: socfpga: allow building N5X clocks with ARCH_N5X Krzysztof Kozlowski
2021-03-10 8:33 ` [RFC v2 2/5] clk: socfpga: build together Stratix 10, Agilex and N5X clock drivers Krzysztof Kozlowski
2021-03-10 8:38 ` [RFC v2 3/5] arm64: socfpga: rename ARCH_STRATIX10 to ARCH_SOCFPGA64 Krzysztof Kozlowski
2021-03-10 8:38 ` [RFC v2 4/5] arm64: intel: merge Agilex and N5X into ARCH_SOCFPGA64 Krzysztof Kozlowski
2021-03-10 8:38 ` [RFC v2 5/5] clk: socfpga: allow compile testing of Stratix 10 / Agilex clocks Krzysztof Kozlowski
2021-03-10 16:48 ` Arnd Bergmann
2021-03-11 7:29 ` Krzysztof Kozlowski
2021-03-10 9:45 ` [RFC v2 3/5] arm64: socfpga: rename ARCH_STRATIX10 to ARCH_SOCFPGA64 Lee Jones
2021-03-10 14:45 ` Tom Rix
2021-03-10 15:05 ` Krzysztof Kozlowski
2021-03-10 15:39 ` Arnd Bergmann
2021-03-10 15:47 ` Krzysztof Kozlowski
2021-03-10 15:54 ` Krzysztof Kozlowski
2021-03-10 16:42 ` Arnd Bergmann
2021-03-11 7:08 ` Krzysztof Kozlowski
2021-03-11 9:14 ` Arnd Bergmann [this message]
2021-03-11 14:50 ` Krzysztof Kozlowski
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