Re: [PATCH v3 16/18] clocksource: Replace setup_irq() by request_irq()

From: Daniel Lezcano
Date: Thu Feb 27 2020 - 06:18:14 EST


On 27/02/2020 11:59, afzal mohammed wrote:
> request_irq() is preferred over setup_irq(). The early boot setup_irq()
> invocations happen either via 'init_IRQ()' or 'time_init()', while
> memory allocators are ready by 'mm_init()'.
>
> 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().
>
> Seldom remove_irq() usage has been observed coupled with setup_irq(),
> wherever that has been found, it too has been replaced by free_irq().
>
> A build error that was reported by kbuild test robot <lkp@xxxxxxxxx>
> in the previous version of the patch also has been fixed.
>
> [1] https://lkml.kernel.org/r/alpine.DEB.2.20.1710191609480.1971@nanos
>
> Signed-off-by: afzal mohammed <afzal.mohd.ma@xxxxxxxxx>
> ---
>
> Hi,
>
> There was a build error in v2, which was reported by kbuild test
> robot and it was suggested to add Reported-by to the patch. But since
> the change is being fixed up w/ original patch, if i add Reported-by,
> it will give a feeling as though robot has reported the necessity of
> this patch as whole, so i have credited test robot in a different way
> in the commit message. If the proper way is to add Reported-by tag
> itself or some other way, let me know, i will change accordingly.
>
> Hi Daniel, Linus,
>
> i have removed your Acked-by's as now patch has been modified (though
> only slightly the file timer-prima2.c) to fix the build error.
I'm fine with the changes, I'll apply this patch for timers/drivers/next

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