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From: Samuel Holland <samuel@sholland.org>
To: guoren@kernel.org
Cc: anup@brainfault.org, maz@kernel.org, tglx@linutronix.de,
	palmer@dabbelt.com, linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	Guo Ren <guoren@linux.alibaba.com>
Subject: Re: [PATCH V7 2/2] irqchip/sifive-plic: Fixup thead,c900-plic DT parse missing
Date: Tue, 1 Feb 2022 22:42:39 -0600	[thread overview]
Message-ID: <5b59a816-a1a2-1e75-9c78-8bc9be18f70d@sholland.org> (raw)
In-Reply-To: <20220130135634.1213301-3-guoren@kernel.org>

On 1/30/22 7:56 AM, guoren@kernel.org wrote:
> From: Guo Ren <guoren@linux.alibaba.com>
> 
> The thead,c900-plic has been used in opensbi to distinguish
> PLIC [1]. Although PLICs have the same behaviors in Linux,
> they are different hardware with some custom initializing in
> firmware(opensbi).
> 
> Qute opensbi patch commit-msg by Samuel:
> 
>   The T-HEAD PLIC implementation requires setting a delegation bit
>   to allow access from S-mode. Now that the T-HEAD PLIC has its own
>   compatible string, set this bit automatically from the PLIC driver,
>   instead of reaching into the PLIC's MMIO space from another driver.
> 
> [1]: https://github.com/riscv-software-src/opensbi/commit/78c2b19218bd62653b9fb31623a42ced45f38ea6
> 
> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> Cc: Anup Patel <anup@brainfault.org>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: Samuel Holland <samuel@sholland.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> ---
>  drivers/irqchip/irq-sifive-plic.c | 1 +
>  1 file changed, 1 insertion(+)

Tested-by: Samuel Holland <samuel@sholland.org>

WARNING: multiple messages have this Message-ID (diff)
From: Samuel Holland <samuel@sholland.org>
To: guoren@kernel.org
Cc: anup@brainfault.org, maz@kernel.org, tglx@linutronix.de,
	palmer@dabbelt.com, linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	Guo Ren <guoren@linux.alibaba.com>
Subject: Re: [PATCH V7 2/2] irqchip/sifive-plic: Fixup thead,c900-plic DT parse missing
Date: Tue, 1 Feb 2022 22:42:39 -0600	[thread overview]
Message-ID: <5b59a816-a1a2-1e75-9c78-8bc9be18f70d@sholland.org> (raw)
In-Reply-To: <20220130135634.1213301-3-guoren@kernel.org>

On 1/30/22 7:56 AM, guoren@kernel.org wrote:
> From: Guo Ren <guoren@linux.alibaba.com>
> 
> The thead,c900-plic has been used in opensbi to distinguish
> PLIC [1]. Although PLICs have the same behaviors in Linux,
> they are different hardware with some custom initializing in
> firmware(opensbi).
> 
> Qute opensbi patch commit-msg by Samuel:
> 
>   The T-HEAD PLIC implementation requires setting a delegation bit
>   to allow access from S-mode. Now that the T-HEAD PLIC has its own
>   compatible string, set this bit automatically from the PLIC driver,
>   instead of reaching into the PLIC's MMIO space from another driver.
> 
> [1]: https://github.com/riscv-software-src/opensbi/commit/78c2b19218bd62653b9fb31623a42ced45f38ea6
> 
> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> Cc: Anup Patel <anup@brainfault.org>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: Samuel Holland <samuel@sholland.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> ---
>  drivers/irqchip/irq-sifive-plic.c | 1 +
>  1 file changed, 1 insertion(+)

Tested-by: Samuel Holland <samuel@sholland.org>

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  reply	other threads:[~2022-02-02  4:42 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-30 13:56 [PATCH V7 0/2] Add thead,c900-plic support guoren
2022-01-30 13:56 ` guoren
2022-01-30 13:56 ` [PATCH V7 1/2] dt-bindings: update riscv plic compatible string guoren
2022-01-30 13:56   ` guoren
2022-02-02  1:00   ` Rob Herring
2022-02-02  1:00     ` Rob Herring
2022-02-02 10:53   ` [irqchip: irq/irqchip-fixes] " irqchip-bot for Guo Ren
2022-01-30 13:56 ` [PATCH V7 2/2] irqchip/sifive-plic: Fixup thead,c900-plic DT parse missing guoren
2022-01-30 13:56   ` [PATCH V7 2/2] irqchip/sifive-plic: Fixup thead, c900-plic " guoren
2022-02-02  4:42   ` Samuel Holland [this message]
2022-02-02  4:42     ` [PATCH V7 2/2] irqchip/sifive-plic: Fixup thead,c900-plic " Samuel Holland
2022-02-07  9:13     ` Guo Ren
2022-02-07  9:13       ` Guo Ren
2022-02-02 10:53   ` [irqchip: irq/irqchip-fixes] irqchip/sifive-plic: Add missing thead,c900-plic match string irqchip-bot for Guo Ren

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