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From: Marc Zyngier <maz@kernel.org>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-kernel@vger.kernel.org,
	Russell King <linux@armlinux.org.uk>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM
	BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...),
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Ard Biesheuvel <ardb@kernel.org>, Mike Rapoport <rppt@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Arnd Bergmann <arnd@arndb.de>, Guenter Roeck <linux@roeck-us.net>,
	Kefeng Wang <wangkefeng.wang@huawei.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Andrey Konovalov <andreyknvl@gmail.com>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-arm-kernel@lists.infradead.org (moderated list:ARM PORT),
	linux-sh@vger.kernel.org (open list:SUPERH),
	linux-mips@vger.kernel.org (open list:BROADCOM BMIPS MIPS
	ARCHITECTURE),
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE)
Subject: Re: [PATCH 10/11] arm64: broadcom: Removed forced select of interrupt controllers
Date: Sat, 25 Sep 2021 13:09:42 +0100	[thread overview]
Message-ID: <87sfxsua9l.wl-maz@kernel.org> (raw)
In-Reply-To: <20210924170546.805663-11-f.fainelli@gmail.com>

On Fri, 24 Sep 2021 18:05:45 +0100,
Florian Fainelli <f.fainelli@gmail.com> wrote:
> 
> Now that the various second level interrupt controllers have been moved
> to IRQCHIP_PLATFORM_DRIVER and they do default to ARCH_BRCMSTB and
> ARCH_BCM2835 where relevant, remove their forced selection from the
> machine entry to allow an user to build them as modules.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  arch/arm64/Kconfig.platforms | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index b0ce18d4cc98..2e9440f2da22 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -44,7 +44,6 @@ config ARCH_BCM2835
>  	select ARM_AMBA
>  	select ARM_GIC
>  	select ARM_TIMER_SP804
> -	select BRCMSTB_L2_IRQ
>  	help
>  	  This enables support for the Broadcom BCM2837 and BCM2711 SoC.
>  	  These SoCs are used in the Raspberry Pi 3 and 4 devices.
> @@ -82,8 +81,6 @@ config ARCH_BITMAIN
>  config ARCH_BRCMSTB
>  	bool "Broadcom Set-Top-Box SoCs"
>  	select ARCH_HAS_RESET_CONTROLLER
> -	select BCM7038_L1_IRQ
> -	select BRCMSTB_L2_IRQ
>  	select GENERIC_IRQ_CHIP
>  	select PINCTRL
>  	help

How does the user know about that? People will build a kernel
selecting their platform, and find out it doesn't work. This seems
terribly counter-productive to me.

	M.

-- 
Without deviation from the norm, progress is not possible.

WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-kernel@vger.kernel.org,
	Russell King <linux@armlinux.org.uk>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM
	BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...),
	 Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Ard Biesheuvel <ardb@kernel.org>, Mike Rapoport <rppt@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Arnd Bergmann <arnd@arndb.de>, Guenter Roeck <linux@roeck-us.net>,
	Kefeng Wang <wangkefeng.wang@huawei.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Andrey Konovalov <andreyknvl@gmail.com>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-arm-kernel@lists.infradead.org (moderated list:ARM PORT),
	linux-sh@vger.kernel.org (open list:SUPERH),
	linux-mips@vger.kernel.org (open list:BROADCOM BMIPS MIPS
	ARCHITECTURE),
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE)
Subject: Re: [PATCH 10/11] arm64: broadcom: Removed forced select of interrupt controllers
Date: Sat, 25 Sep 2021 13:09:42 +0100	[thread overview]
Message-ID: <87sfxsua9l.wl-maz@kernel.org> (raw)
In-Reply-To: <20210924170546.805663-11-f.fainelli@gmail.com>

On Fri, 24 Sep 2021 18:05:45 +0100,
Florian Fainelli <f.fainelli@gmail.com> wrote:
> 
> Now that the various second level interrupt controllers have been moved
> to IRQCHIP_PLATFORM_DRIVER and they do default to ARCH_BRCMSTB and
> ARCH_BCM2835 where relevant, remove their forced selection from the
> machine entry to allow an user to build them as modules.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  arch/arm64/Kconfig.platforms | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index b0ce18d4cc98..2e9440f2da22 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -44,7 +44,6 @@ config ARCH_BCM2835
>  	select ARM_AMBA
>  	select ARM_GIC
>  	select ARM_TIMER_SP804
> -	select BRCMSTB_L2_IRQ
>  	help
>  	  This enables support for the Broadcom BCM2837 and BCM2711 SoC.
>  	  These SoCs are used in the Raspberry Pi 3 and 4 devices.
> @@ -82,8 +81,6 @@ config ARCH_BITMAIN
>  config ARCH_BRCMSTB
>  	bool "Broadcom Set-Top-Box SoCs"
>  	select ARCH_HAS_RESET_CONTROLLER
> -	select BCM7038_L1_IRQ
> -	select BRCMSTB_L2_IRQ
>  	select GENERIC_IRQ_CHIP
>  	select PINCTRL
>  	help

How does the user know about that? People will build a kernel
selecting their platform, and find out it doesn't work. This seems
terribly counter-productive to me.

	M.

-- 
Without deviation from the norm, progress is not possible.

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

  reply	other threads:[~2021-09-25 12:09 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-24 17:05 [PATCH 00/11] Modular Broadcom irqchip drivers Florian Fainelli
2021-09-24 17:05 ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 01/11] arch: Export cpu_logical_map to modules Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-27 19:32   ` Rob Herring
2021-09-27 19:32     ` Rob Herring
2021-09-27 19:43     ` Florian Fainelli
2021-09-27 19:43       ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 02/11] genirq: Export irq_to_desc() again " Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-25 21:00   ` Thomas Gleixner
2021-09-25 21:00     ` Thomas Gleixner
2021-09-26  2:29     ` Florian Fainelli
2021-09-26  2:29       ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 03/11] genirq: Export irq_set_affinity_locked() Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-25 11:48   ` Marc Zyngier
2021-09-25 11:48     ` Marc Zyngier
2021-09-25 21:21     ` Thomas Gleixner
2021-09-25 21:21       ` Thomas Gleixner
2021-09-25 21:37       ` Thomas Gleixner
2021-09-25 21:37         ` Thomas Gleixner
2021-09-27 17:47         ` Florian Fainelli
2021-09-27 17:47           ` Florian Fainelli
2021-09-27 18:18           ` Thomas Gleixner
2021-09-27 18:18             ` Thomas Gleixner
2021-09-27 18:25             ` Florian Fainelli
2021-09-27 18:25               ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 04/11] irqchip/irq-bcm7038-l1: Switch to IRQCHIP_PLATFORM_DRIVER Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 05/11] irqchip/irq-brcmstb-l2: " Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 06/11] genirq: Export irq_gc_{unmask_enable,mask_disable}_reg Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-26  2:30   ` Florian Fainelli
2021-09-26  2:30     ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 07/11] of/irq: Export of_irq_count to drivers Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-27 19:08   ` Rob Herring
2021-09-27 19:08     ` Rob Herring
2021-09-27 19:28     ` Florian Fainelli
2021-09-27 19:28       ` Florian Fainelli
2021-09-27 19:43       ` Rob Herring
2021-09-27 19:43         ` Rob Herring
2021-09-27 19:49         ` Florian Fainelli
2021-09-27 19:49           ` Florian Fainelli
2021-09-27 20:09           ` Rob Herring
2021-09-27 20:09             ` Rob Herring
2021-09-28  8:10           ` Marc Zyngier
2021-09-28  8:10             ` Marc Zyngier
2021-09-24 17:05 ` [PATCH 08/11] genirq: Export irq_gc_noop() Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 09/11] irqchip/irq-bcm7120-l2: Switch to IRQCHIP_PLATFORM_DRIVER Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-24 17:05 ` [PATCH 10/11] arm64: broadcom: Removed forced select of interrupt controllers Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli
2021-09-25 12:09   ` Marc Zyngier [this message]
2021-09-25 12:09     ` Marc Zyngier
2021-09-25 17:46     ` Arnd Bergmann
2021-09-25 17:46       ` Arnd Bergmann
2021-09-24 17:05 ` [PATCH 11/11] ARM: bcm: " Florian Fainelli
2021-09-24 17:05   ` Florian Fainelli

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