linux-kernel - Re: [PATCH v7 1/2] drivers: base: add support for registering notifier about deferred probe

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Date:	Thu, 14 Apr 2016 09:40:34 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Marek Szyprowski <m.szyprowski@...sung.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v7 1/2] drivers: base: add support for registering
 notifier about deferred probe

On Thu, Apr 14, 2016 at 09:36:38AM +0200, Marek Szyprowski wrote:
> This CID/PID reading has to be done during device registration time because
> of the already deployed userspace ABI. CID/PID values are reported to
> userspace, which might rely on them to load proper driver modules.

There is no "might" about it - the CID/PID are the way drivers get
matched, and it's what is in the module device tables exported for
modprobe/udev to use.

-- 
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