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From: Sergey Shtylyov <s.shtylyov@omp.ru>
To: Stefan Wahren <stefan.wahren@i2se.com>,
	Ulf Hansson <ulf.hansson@linaro.org>, <linux-mmc@vger.kernel.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
	Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	Nicolas Saenz Julienne <nsaenz@kernel.org>,
	<bcm-kernel-feedback-list@broadcom.com>,
	<linux-rpi-kernel@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 01/12] mmc: bcm2835: fix deferred probing
Date: Mon, 12 Jun 2023 22:43:57 +0300	[thread overview]
Message-ID: <988ec49f-5d73-c8ad-4bba-348f336688b7@omp.ru> (raw)
In-Reply-To: <13fd5204-4670-264d-5553-1475af3b203e@i2se.com>

On 6/9/23 12:39 AM, Stefan Wahren wrote:
[...]

>> The driver overrides the error codes and IRQ0 returned by platform_get_irq()
>> to -EINVAL, so if it returns -EPROBE_DEFER, the driver will fail the probe
>> permanently instead of the deferred probing. Switch to propagating the error
>> codes upstream.  IRQ0 is no longer returned by platform_get_irq(), so we now
>> can safely ignore it...
>>
>> Fixes: 660fc733bd74 ("mmc: bcm2835: Add new driver for the sdhost controller.")
> 
> I know this is very theoretical, but does the statement "IRQ0 is no longer returned by platform_get_irq()" also applies to the time of the fixes commit?

   Unfortunately, no. IRQ0 finally ceased to be returned in 5.19; there was a fat
warning in platform_get_irq() and friends before that (which is still there)...

> I'm asking because the fix could be backported to Linux 4.14.

   I think the deferred probing can currently occur only with DT platforms
(I may be wrong here). Is this your case?

> Best regards
> 
>> Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
[...]

MBR, Sergey

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  reply	other threads:[~2023-06-12 19:44 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20230608194519.10665-1-s.shtylyov@omp.ru>
2023-06-08 19:45 ` [PATCH v2 01/12] mmc: bcm2835: fix deferred probing Sergey Shtylyov
2023-06-08 21:39   ` Stefan Wahren
2023-06-12 19:43     ` Sergey Shtylyov [this message]
2023-06-13  8:56       ` Stefan Wahren
2023-06-13 21:08         ` Sergey Shtylyov
2023-06-08 19:45 ` [PATCH v2 02/12] mmc: meson-gx: " Sergey Shtylyov
2023-06-09  7:20   ` Neil Armstrong
2023-06-08 19:45 ` [PATCH v2 03/12] mmc: mtk-sd: " Sergey Shtylyov
2023-06-08 19:45 ` [PATCH v2 07/12] mmc: owl: " Sergey Shtylyov
2023-06-08 19:45 ` [PATCH v2 11/12] mmc: sunxi: " Sergey Shtylyov
2023-06-09 20:48   ` Jernej Škrabec

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