Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751806AbbG2Nqz (ORCPT ); Wed, 29 Jul 2015 09:46:55 -0400 Received: from mga02.intel.com ([134.134.136.20]:42301 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750839AbbG2Nqy (ORCPT ); Wed, 29 Jul 2015 09:46:54 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,570,1432623600"; d="scan'208";a="772233693" From: Alexander Shishkin To: Mark Brown Cc: Chunyan Zhang , Greg Kroah-Hartman , "linux-kernel\@vger.kernel.org" , Mathieu Poirier , peter.lachner@intel.com, norbert.schulz@intel.com, keven.boell@intel.com, yann.fouassier@intel.com, laurent.fert@intel.com, "linux-api\@vger.kernel.org" , Chunyan Zhang Subject: Re: [PATCH v3 01/11] stm class: Introduce an abstraction for System Trace Module devices In-Reply-To: <20150729133529.GI20130@sirena.org.uk> References: <1436177344-16751-1-git-send-email-alexander.shishkin@linux.intel.com> <1436177344-16751-2-git-send-email-alexander.shishkin@linux.intel.com> <877fpjkseh.fsf@ashishki-desk.ger.corp.intel.com> <20150729133529.GI20130@sirena.org.uk> User-Agent: Notmuch/0.20.2 (http://notmuchmail.org) Emacs/24.4.1 (x86_64-pc-linux-gnu) Date: Wed, 29 Jul 2015 16:46:49 +0300 Message-ID: <871tfrkree.fsf@ashishki-desk.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 806 Lines: 24 Mark Brown 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/