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From: Sergey Shtylyov <s.shtylyov@omp.ru>
To: Fabio Estevam <festevam@gmail.com>,
	Sergey Shtylyov <s.shtylyov@omprussia.ru>
Cc: 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: Sat, 18 Sep 2021 23:49:54 +0300	[thread overview]
Message-ID: <f6e3bb64-4715-01b1-5149-745507ffa7d4@omp.ru> (raw)
In-Reply-To: <CAOMZO5DM5dpqtO2_kg+n0xi2eBoURH+OSDdUfHwocE_jKpw47w@mail.gmail.com>

Hello!

On 3/21/21 10:06 PM, Fabio Estevam wrote:

[...]

   Sorry for replying this late. If I don't reply to mails right away, I tend to forget about
the unreplied mails. I might have been busy with other stuff ATM too... :-)

>> If platform_get_irq() returns IRQ0 (considered invalid according to Linus)
> 
> How can platform_get_irq() return 0 on i.MX?
> This driver only runs on imx31 and imx51 and in both platforms the
> PATA IRQ is non-zero.

   Maybe this is impossible indeed -- iff someone doesn't change the kernel (or DT) on purpose
(the driver wouldn't work correctly in this case as libata would ignore the driver's IRQ
handler).

> 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?

MBR, Sergey

  reply	other threads:[~2021-09-18 20:59 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 [this message]
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
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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