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From: Arnd Bergmann <arnd@kernel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Russell King <linux@armlinux.org.uk>,
	Hartley Sweeten <hsweeten@visionengravers.com>,
	Alexander Sverdlin <alexander.sverdlin@gmail.com>,
	Hubert Feurstein <hubert.feurstein@contec.at>,
	Lukasz Majewski <lukma@denx.de>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Imre Kaloz <kaloz@openwrt.org>,
	Krzysztof Halasa <khalasa@piap.pl>, Andrew Lunn <andrew@lunn.ch>,
	Gregory Clement <gregory.clement@bootlin.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Simtec Linux Team <linux@simtec.co.uk>,
	Liviu Dudau <liviu.dudau@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Ard Biesheuvel <ardb@kernel.org>, Stephen Boyd <sboyd@kernel.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	"moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES" 
	<linux-samsung-soc@vger.kernel.org>,
	patches@opensource.cirrus.com
Subject: Re: [PATCH 00/12] ARM: ARMv5 multiplatform conversions
Date: Thu, 7 Apr 2022 09:31:06 +0200	[thread overview]
Message-ID: <CAK8P3a0ZYbNKyN7gjoQE4pu_ePE+0Y=tSwvdOHo6GraVokEJmw@mail.gmail.com> (raw)
In-Reply-To: <e39d4d71-6ef3-b2b4-3697-1babbadab2ab@linaro.org>

On Thu, Apr 7, 2022 at 9:07 AM Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 05/04/2022 11:17, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@arndb.de>
> >
> > I revisited some patches from a few years back, to see what
> > is needed forsome of the remaining platforms to become part of
> > CONFIG_ARCH_MULTIPLATFORM.
> >
> > A few things happened since I last looked at this, which helps to make
> > this easier:
> >
> >  - The ixp4xx platform saw a large scale cleanup
> >
> >  - The ep93xx platform lost support for MaverickCrunch FPUs and
> >    gained support for the common clock subsystem
> >
> >  - The OMAP1 platform has a proposed patch for the common
> >    clock subsystem.
> >
> >  - The generic IRQ entry code is now used everywhere, including
> >    on IOP32x.
> >
> >  - The s3c24xx platform is scheduled for removal next year
>
> Discussion [1] actually did not end with conclusion, but through all the
> time there were no other votes for the platform to stay.

Ok, thanks for the clarification, I misremembered the outcome
of the discussion. I've updated the reference in the mach/io.h
to no longer refer to that, but I still think it's safe to break
readw/writew on BAST ISA devices.

If we finish the multiplatform conversion for all ARMv5, I care
less about dropping s3c24xx entirely as an intermediate step,
but I definitely still like to see any board files and SoCs dropped
that have no users and are just a maintenance burden.

> I will resend my above [1] patch to mention the coming removal.

Ok, thanks!

          Arnd

WARNING: multiple messages have this Message-ID
From: Arnd Bergmann <arnd@kernel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Russell King <linux@armlinux.org.uk>,
	 Hartley Sweeten <hsweeten@visionengravers.com>,
	 Alexander Sverdlin <alexander.sverdlin@gmail.com>,
	 Hubert Feurstein <hubert.feurstein@contec.at>,
	Lukasz Majewski <lukma@denx.de>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Imre Kaloz <kaloz@openwrt.org>,
	Krzysztof Halasa <khalasa@piap.pl>, Andrew Lunn <andrew@lunn.ch>,
	 Gregory Clement <gregory.clement@bootlin.com>,
	 Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Simtec Linux Team <linux@simtec.co.uk>,
	 Liviu Dudau <liviu.dudau@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	 Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Ard Biesheuvel <ardb@kernel.org>, Stephen Boyd <sboyd@kernel.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	 Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	 Linux ARM <linux-arm-kernel@lists.infradead.org>,
	 "moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES"
	<linux-samsung-soc@vger.kernel.org>,
	patches@opensource.cirrus.com
Subject: Re: [PATCH 00/12] ARM: ARMv5 multiplatform conversions
Date: Thu, 7 Apr 2022 09:31:06 +0200	[thread overview]
Message-ID: <CAK8P3a0ZYbNKyN7gjoQE4pu_ePE+0Y=tSwvdOHo6GraVokEJmw@mail.gmail.com> (raw)
In-Reply-To: <e39d4d71-6ef3-b2b4-3697-1babbadab2ab@linaro.org>

On Thu, Apr 7, 2022 at 9:07 AM Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 05/04/2022 11:17, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@arndb.de>
> >
> > I revisited some patches from a few years back, to see what
> > is needed forsome of the remaining platforms to become part of
> > CONFIG_ARCH_MULTIPLATFORM.
> >
> > A few things happened since I last looked at this, which helps to make
> > this easier:
> >
> >  - The ixp4xx platform saw a large scale cleanup
> >
> >  - The ep93xx platform lost support for MaverickCrunch FPUs and
> >    gained support for the common clock subsystem
> >
> >  - The OMAP1 platform has a proposed patch for the common
> >    clock subsystem.
> >
> >  - The generic IRQ entry code is now used everywhere, including
> >    on IOP32x.
> >
> >  - The s3c24xx platform is scheduled for removal next year
>
> Discussion [1] actually did not end with conclusion, but through all the
> time there were no other votes for the platform to stay.

Ok, thanks for the clarification, I misremembered the outcome
of the discussion. I've updated the reference in the mach/io.h
to no longer refer to that, but I still think it's safe to break
readw/writew on BAST ISA devices.

If we finish the multiplatform conversion for all ARMv5, I care
less about dropping s3c24xx entirely as an intermediate step,
but I definitely still like to see any board files and SoCs dropped
that have no users and are just a maintenance burden.

> I will resend my above [1] patch to mention the coming removal.

Ok, thanks!

          Arnd

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2022-04-07  7:31 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-05  9:17 Arnd Bergmann
2022-04-05  9:17 ` Arnd Bergmann
2022-04-05  9:17 ` [PATCH 01/12] ARM: versatile: move integrator/realview/vexpress to versatile Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-05 14:15   ` Sudeep Holla
2022-04-05 14:15     ` Sudeep Holla
2022-04-05 18:33     ` Arnd Bergmann
2022-04-05 18:33       ` Arnd Bergmann
2022-04-05 16:30   ` Linus Walleij
2022-04-05 16:30     ` Linus Walleij
2022-04-05  9:17 ` [PATCH 02/12] ARM: ep93xx: renumber interrupts Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-05  9:42   ` Lukasz Majewski
2022-04-05  9:42     ` Lukasz Majewski
2022-04-07  8:29   ` Alexander Sverdlin
2022-04-07  8:29     ` Alexander Sverdlin
2022-04-05  9:17 ` [PATCH 03/12] ARM: ep93xx: enable SPARSE_IRQ Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-05  9:42   ` Lukasz Majewski
2022-04-05  9:42     ` Lukasz Majewski
2022-04-07  8:30   ` Alexander Sverdlin
2022-04-07  8:30     ` Alexander Sverdlin
2022-04-05  9:17 ` [PATCH 04/12] ARM: ep93xx: make mach/ep93xx-regs.h local Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-05  9:43   ` Lukasz Majewski
2022-04-05  9:43     ` Lukasz Majewski
2022-04-07  8:31   ` Alexander Sverdlin
2022-04-07  8:31     ` Alexander Sverdlin
2022-04-05  9:17 ` [PATCH 05/12] ARM: ep93xx: multiplatform support Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-05  9:44   ` Lukasz Majewski
2022-04-05  9:44     ` Lukasz Majewski
2022-04-07  8:32   ` Alexander Sverdlin
2022-04-07  8:32     ` Alexander Sverdlin
2022-04-05  9:17 ` [PATCH 06/12] ARM: dove: " Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-05  9:17 ` [PATCH 07/12] ARM: s3c24xx: remove support for ISA drivers on BAST PC/104 Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-07  7:27   ` Krzysztof Kozlowski
2022-04-07  7:27     ` Krzysztof Kozlowski
2022-04-05  9:17 ` [PATCH 08/12] ARM: s3c24xx: convert to sparse-irq Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-07  7:29   ` Krzysztof Kozlowski
2022-04-07  7:29     ` Krzysztof Kozlowski
2022-04-05  9:17 ` [PATCH 09/12] ARM: s3c: enable s3c24xx multiplatform support Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-07  7:30   ` Krzysztof Kozlowski
2022-04-07  7:30     ` Krzysztof Kozlowski
2022-04-05  9:17 ` [PATCH 10/12] ARM: iop32x: enable " Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-05  9:17 ` [PATCH 11/12] ARM: rework endianess selection Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-05  9:17 ` [PATCH 12/12] ARM: ixp4xx: enable multiplatform support Arnd Bergmann
2022-04-05  9:17   ` Arnd Bergmann
2022-04-07  7:07 ` [PATCH 00/12] ARM: ARMv5 multiplatform conversions Krzysztof Kozlowski
2022-04-07  7:07   ` Krzysztof Kozlowski
2022-04-07  7:31   ` Arnd Bergmann [this message]
2022-04-07  7:31     ` Arnd Bergmann
2022-04-07  9:23 ` Alexander Sverdlin
2022-04-07  9:23   ` Alexander Sverdlin
2022-04-07 10:08   ` Arnd Bergmann
2022-04-07 10:08     ` Arnd Bergmann
2022-04-07 10:37     ` Alexander Sverdlin
2022-04-07 10:37       ` Alexander Sverdlin
2022-04-07 20:42 ` Linus Walleij
2022-04-07 20:42   ` Linus Walleij
2022-04-08 15:12   ` Arnd Bergmann
2022-04-08 15:12     ` Arnd Bergmann

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