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From: Christophe Leroy <christophe.leroy@c-s.fr>
To: afzal mohammed <afzal.mohd.ma@gmail.com>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Cc: Scott Wood <oss@buserror.net>, Paul Mackerras <paulus@samba.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 10/18] powerpc: Replace setup_irq() by request_irq()
Date: Thu, 13 Feb 2020 11:59:35 +0100	[thread overview]
Message-ID: <a4f2ad65-0634-f825-b0b7-7e4cd2dc697f@c-s.fr> (raw)
In-Reply-To: <303393f75ede6d36241d41f501d9ad2a23897c3f.1581478324.git.afzal.mohd.ma@gmail.com>



Le 12/02/2020 à 09:04, afzal mohammed a écrit :
> request_irq() is preferred over setup_irq(). Existing callers of
> setup_irq() reached mostly via 'init_IRQ()' & '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 wherever that has been found, it too has been replaced by free_irq().
> 
> [1] https://lkml.kernel.org/r/alpine.DEB.2.20.1710191609480.1971@nanos
> 
> Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com>

Tested-by: Christophe Leroy <christophe.leroy@c-s.fr> # for the 8xx parts

> ---
> 
> Since cc'ing cover letter to all maintainers/reviewers would be too
> many, refer for cover letter,
>   https://lkml.kernel.org/r/cover.1581478323.git.afzal.mohd.ma@gmail.com
> 
>   arch/powerpc/platforms/85xx/mpc85xx_cds.c | 10 +++-----
>   arch/powerpc/platforms/8xx/cpm1.c         |  9 ++-----
>   arch/powerpc/platforms/8xx/m8xx_setup.c   |  9 ++-----
>   arch/powerpc/platforms/chrp/setup.c       | 14 ++++------
>   arch/powerpc/platforms/powermac/pic.c     | 31 ++++++++++-------------
>   arch/powerpc/platforms/powermac/smp.c     |  9 ++-----
>   6 files changed, 27 insertions(+), 55 deletions(-)
> 



  reply	other threads:[~2020-02-13 10:59 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-12  8:01 [PATCH 00/18] genirq: Remove setup_irq() afzal mohammed
2020-02-12  8:02 ` [PATCH 01/18] alpha: replace setup_irq() by request_irq() afzal mohammed
2020-02-12  8:02 ` [PATCH 02/18] ARM: " afzal mohammed
2020-02-12  8:10   ` Viresh Kumar
2020-02-12 23:27   ` Alexander Sverdlin
2020-02-12  8:02 ` [PATCH 03/18] c6x: " afzal mohammed
2020-02-13 17:37   ` Mark Salter
2020-02-12  8:03 ` [PATCH 04/18] hexagon: " afzal mohammed
2020-02-12  8:03 ` [PATCH 05/18] ia64: " afzal mohammed
2020-02-12  8:03 ` [PATCH 06/18] m68k: Replace " afzal mohammed
2020-02-12 22:25   ` Finn Thain
2020-02-13  2:03     ` afzal mohammed
2020-02-13  7:11   ` Greg Ungerer
2020-02-14 13:07     ` afzal mohammed
2020-02-12  8:03 ` [PATCH 07/18] microblaze: " afzal mohammed
2020-02-12  8:04 ` [PATCH 08/18] MIPS: " afzal mohammed
2020-02-12  8:04 ` [PATCH 09/18] parisc: " afzal mohammed
2020-02-12  8:04 ` [PATCH 10/18] powerpc: " afzal mohammed
2020-02-13 10:59   ` Christophe Leroy [this message]
2020-02-12  8:04 ` [PATCH 11/18] s390: replace " afzal mohammed
2020-02-12  8:04 ` [PATCH 12/18] sh: " afzal mohammed
2020-02-12  8:05 ` [PATCH 13/18] unicore32: " afzal mohammed
2020-02-12  8:05 ` [PATCH 14/18] x86: Replace " afzal mohammed
2020-02-27 10:49   ` Thomas Gleixner
2020-02-27 11:36     ` afzal mohammed
2020-02-27 13:29       ` Thomas Gleixner
2020-02-27 14:26         ` afzal mohammed
2020-02-12  8:05 ` [PATCH 15/18] xtensa: replace " afzal mohammed
2020-02-12  9:10   ` Max Filippov
2020-02-12  8:05 ` [PATCH 16/18] clocksource: Replace " afzal mohammed
2020-02-20 11:13   ` Daniel Lezcano
2020-02-20 14:48   ` Linus Walleij
2020-02-12  8:05 ` [PATCH 17/18] irqchip: " afzal mohammed
     [not found]   ` <8e00874d072f32496c2d0da05423bda1cadd6975.1581478324.git.afzal.mohd.ma@gmail. com>
2020-02-13 16:02     ` Paul Cercueil
2020-02-12  8:06 ` [PATCH 18/18] genirq: Remove setup_irq() and remove_irq() afzal mohammed
2020-02-20 14:49   ` Linus Walleij
2020-02-27 10:31 ` [PATCH 00/18] genirq: Remove setup_irq() Thomas Gleixner
2020-02-27 11:07   ` afzal mohammed
2020-03-21 17:43     ` afzal mohammed
2020-03-27 16:08       ` [PATCH 0/6] Kill setup_irq() afzal mohammed
2020-03-27 16:09         ` [PATCH v5 1/6] alpha: Replace setup_irq() by request_irq() afzal mohammed
2020-03-27 16:09         ` [PATCH v5 2/6] c6x: replace " afzal mohammed
2020-03-27 16:09         ` [PATCH v5 3/6] hexagon: " afzal mohammed
2020-03-27 16:10         ` [PATCH v5 4/6] sh: " afzal mohammed
2020-03-27 16:10         ` [PATCH v5 5/6] unicore32: " afzal mohammed
2020-03-27 16:11         ` [PATCH v5 6/6] genirq: Remove setup_irq() and remove_irq() afzal mohammed
2020-04-11 14:10           ` afzal mohammed
2020-03-28  2:48         ` [PATCH 0/6] Kill setup_irq() Brian Cain
2020-03-28  7:32           ` afzal mohammed
2020-04-02 15:03             ` Brian Cain

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