Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <69bcc286-f28f-0a41-8d39-0f1124f69ca8@broadcom.com>
Date:   Fri, 30 Jun 2023 16:29:09 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101
 Thunderbird/102.12.0
Subject: Re: [PATCH] irq-bcm6345-l1: do not assume a fixed block to cpu
 mapping
To:     Jonas Gorski <jonas.gorski@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@broadcom.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Marc Zyngier <maz@kernel.org>, Simon Arlott <simon@octiron.net>
Cc:     linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20230629072620.62527-1-jonas.gorski@gmail.com>
From:   Florian Fainelli <florian.fainelli@broadcom.com>
In-Reply-To: <20230629072620.62527-1-jonas.gorski@gmail.com>
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256;
        boundary="000000000000b8adbf05ff59a357"
Precedence: bulk

--000000000000b8adbf05ff59a357
Content-Language: en-US
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit


On 6/29/2023 8:26 AM, Jonas Gorski wrote:
> The irq to block mapping is fixed, and interrupts from the first block
> will always be routed to the first parent IRQ. But the parent interrupts
> themselves can be routed to any available CPU.
> 
> This is used by the bootloader to map the first parent interrupt to the
> boot CPU, regardless wether the boot CPU is the first one or the second
> one.
> 
> When booting from the second CPU, the assumption that the first block's
> IRQ is mapped to the first CPU breaks, and the system hangs because
> interrupts do not get routed correctly.
> 
> Fix this by passing the appropriate bcm6434_l1_cpu to the interrupt
> handler instead of the chip itself, so the handler always has the right
> block.
> 
> Fixes: c7c42ec2baa1 ("irqchips/bmips: Add bcm6345-l1 interrupt controller")
> Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
-- 
Florian

--000000000000b8adbf05ff59a357
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"
Content-Description: S/MIME Cryptographic Signature
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--000000000000b8adbf05ff59a357--