linux-kernel - Re: [Backport for 4.19.y PATCH 1/4] ARM: OMAP: replace setup_irq() by request

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Date:   Fri, 9 Jul 2021 15:08:19 +0200
From:   Greg KH <greg@...ah.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org,
        afzal mohammed <afzal.mohd.ma@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Keerthy <j-keerthy@...com>, Tero Kristo <kristo@...nel.org>
Subject: Re: [Backport for 4.19.y PATCH 1/4] ARM: OMAP: replace setup_irq()
 by request_irq()

On Fri, Jul 09, 2021 at 10:37:42AM +0300, Tony Lindgren wrote:
> From: afzal mohammed <afzal.mohd.ma@...il.com>
> 
> commit b75ca5217743e4d7076cf65e044e88389e44318d upstream.
> 
> 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
> 

ALl now queued up, thanks.

greg k-h