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From: Sergey Shtylyov <s.shtylyov@omp.ru>
To: Fabio Estevam <festevam@gmail.com>
Cc: Sergey Shtylyov <s.shtylyov@omprussia.ru>,
	Jens Axboe <axboe@kernel.dk>, <linux-ide@vger.kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	NXP Linux Team <linux-imx@nxp.com>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 4/4] pata_imx: deny IRQ0
Date: Mon, 20 Sep 2021 19:41:23 +0300	[thread overview]
Message-ID: <06b8794c-102e-6c85-5f73-ebdc2d30b246@omp.ru> (raw)
In-Reply-To: <CAOMZO5A3NiOOg8Zv1+mXh_VixuQ3=KLFPG-7CphQt-S997XV5A@mail.gmail.com>

On 9/20/21 3:45 PM, Fabio Estevam wrote:

>>> IMHO the current code is correct as-is.
>>
>>    Not quite... I don't want to leave a bad example for the future driver authors. What should
>> I change in the patch description for the patch to become acceptable for you?
> 
> Please see how the PCI subsystem has converted the handling of
> platform_get_irq():
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.15-rc2&id=0584bff09629666eea97c7ac428e55b00df211f5

   Thanks for the link -- that's what I've been doing for the drivers outside PCI in the
past few months. :-)

>  Why does drivers/ata/ need to handle platform_get_irq() differently?

   Because ata_host_activate() treats irq0 as polling indicater and complains about
the 'handler' being non-NULL.
 
> I still don't see the need for changing drivers/ata/pata_imx.c in this aspect.

   And now?

MBR, Sergei

  parent reply	other threads:[~2021-09-20 16:41 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-21 18:50 [PATCH 0/4] Explicitly deny IRQ0 in the libata drivers Sergey Shtylyov
2021-03-21 18:54 ` [PATCH 1/4] pata_bk3710: deny IRQ0 Sergey Shtylyov
2021-03-21 18:55 ` [PATCH 2/4] pata_ep93xx: " Sergey Shtylyov
2021-03-21 18:57 ` [PATCH 3/4] pata_ftide010: " Sergey Shtylyov
2021-03-21 18:59 ` [PATCH 4/4] pata_imx: " Sergey Shtylyov
2021-03-21 19:06   ` Fabio Estevam
2021-09-18 20:49     ` Sergey Shtylyov
2021-09-20 12:45       ` Fabio Estevam
2021-09-20 12:52         ` Fabio Estevam
2021-09-20 16:42           ` Sergey Shtylyov
2021-09-20 16:41         ` Sergey Shtylyov [this message]
2021-05-10 20:48 ` [PATCH 0/4] Explicitly deny IRQ0 in the libata drivers Sergey Shtylyov
2021-09-04 18:57   ` Sergey Shtylyov
2021-09-04 21:25     ` Jens Axboe
2021-09-05  9:47       ` Sergey Shtylyov

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