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Date:   Thu, 19 Mar 2020 08:44:58 +0000
From:   Marc Zyngier <maz@kernel.org>
To:     Sungbo Eo <mans0n@gorani.run>
Cc:     Linus Walleij <linus.walleij@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-oxnas@groups.io, Neil Armstrong <narmstrong@baylibre.com>
Subject: Re: [PATCH v2] irqchip/versatile-fpga: Handle chained IRQs properly
In-Reply-To: <20200319023448.1479701-1-mans0n@gorani.run>
References: <002b72cab9896fa5ac76a52e0cb503ff@kernel.org>
 <20200319023448.1479701-1-mans0n@gorani.run>
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On 2020-03-19 02:34, Sungbo Eo wrote:
> Enclose the chained handler with chained_irq_{enter,exit}(), so that 
> the
> muxed interrupts get properly acked.
> 
> This patch also fixes a reboot bug on OX820 SoC, where the jiffies 
> timer
> interrupt is never acked. The kernel waits a clock tick forever in
> calibrate_delay_converge(), which leads to a boot hang.
> 
> Fixes: c41b16f8c9d9 ("ARM: integrator/versatile: consolidate FPGA IRQ
> handling code")
> Signed-off-by: Sungbo Eo <mans0n@gorani.run>
> Cc: Neil Armstrong <narmstrong@baylibre.com>
> ---
> v2: moved readl below chained_irq_enter()
>     added Fixes tag
> 
>  drivers/irqchip/irq-versatile-fpga.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)

Queued for 5.7.

Thanks,

         M.
-- 
Jazz is not dead. It just smells funny...