linux-kernel - Re: [PATCH v3] ARM: imx: avic: Convert to using IRQCHIP

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Date:   Thu, 4 Feb 2021 22:53:58 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Saravana Kannan <saravanak@...gle.com>
Cc:     Russell King <linux@...linux.org.uk>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Martin Kaiser <martin@...ser.cx>, kernel-team@...roid.com,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] ARM: imx: avic: Convert to using IRQCHIP_DECLARE

Hi Saravana,

On Thu, Feb 4, 2021 at 10:39 PM Saravana Kannan <saravanak@...gle.com> wrote:
>
> Using IRQCHIP_DECLARE lets fw_devlink know that it should not wait for
> these interrupt controllers to be populated as struct devices. Without
> this change, fw_devlink=on will make the consumers of these interrupt
> controllers wait for the struct device to be added and thereby block the
> consumers' probes forever. Converting to IRQCHIP_DECLARE addresses boot
> issues on imx25 with fw_devlink=on that were reported by Martin.
>
> This also removes a lot of boilerplate code.
>
> Fixes: e590474768f1 ("driver core: Set fw_devlink=on by default")
> Reported-by: Martin Kaiser <martin@...ser.cx>
> Signed-off-by: Saravana Kannan <saravanak@...gle.com>
> Tested-by: Martin Kaiser <martin@...ser.cx>

Thanks for the respin:

Reviewed-by: Fabio Estevam <festevam@...il.com>