linux-kernel - Re: [PATCH v3 01/11] stm class: Introduce an abstraction for System Trace Module devices

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Message-ID: <871tfrkree.fsf@ashishki-desk.ger.corp.intel.com>
Date:	Wed, 29 Jul 2015 16:46:49 +0300
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Chunyan Zhang <zhang.lyra@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	peter.lachner@...el.com, norbert.schulz@...el.com,
	keven.boell@...el.com, yann.fouassier@...el.com,
	laurent.fert@...el.com,
	"linux-api\@vger.kernel.org" <linux-api@...r.kernel.org>,
	Chunyan Zhang <zhang.chunyan@...aro.org>
Subject: Re: [PATCH v3 01/11] stm class: Introduce an abstraction for System Trace Module devices

Mark Brown <broonie@...nel.org> writes:

> On Wed, Jul 29, 2015 at 04:25:10PM +0300, Alexander Shishkin wrote:
>
>> There has to be a way to defer stm_probe(), although a quick look at
>> amba code suggests it's not implemented.
>
> What makes you say this?  Probe deferral is implemented in the driver
> core rather than individual buses, the buses don't need to know anything
> about it.

I stand corrected, it indeed is.

So returning EPROBE_DEFER from stm_probe() should Just Work (provided
stm_probe() handles its error paths correctly).

Regards,
--
Alex
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