linux-kernel - Re: [PATCH v3] ARM: orion: replace setup_irq() by request

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Message-ID: <20200301154435.GJ6305@lunn.ch>
Date:   Sun, 1 Mar 2020 16:44:35 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     afzal mohammed <afzal.mohd.ma@...il.com>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>,
        Jason Cooper <jason@...edaemon.net>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] ARM: orion: replace setup_irq() by request_irq()

On Sun, Mar 01, 2020 at 05:53:30PM +0530, afzal mohammed wrote:
> request_irq() is preferred over setup_irq(). Invocations of setup_irq()
> occur after memory allocators are ready.
> 
> Per tglx[1], setup_irq() existed in olden days when allocators were not
> ready by the time early interrupts were initialized.
> 
> Hence replace setup_irq() by request_irq().
> 
> [1] https://lkml.kernel.org/r/alpine.DEB.2.20.1710191609480.1971@nanos
> 
> Signed-off-by: afzal mohammed <afzal.mohd.ma@...il.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew