From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753790AbXFCOjj (ORCPT ); Sun, 3 Jun 2007 10:39:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752766AbXFCOjR (ORCPT ); Sun, 3 Jun 2007 10:39:17 -0400 Received: from web50104.mail.re2.yahoo.com ([206.190.38.32]:22906 "HELO web50104.mail.re2.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752758AbXFCOjQ (ORCPT ); Sun, 3 Jun 2007 10:39:16 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=r3TSizyn6zo8xyHdFUGKrW7d0X4ufYdqG8+JGUtaNid/UEWu269GSesgmYoBfoVR2Fw6Z2oyeZwsGLW6Gj43FSg1TkFkQqGXq/hTZbgEyl2BUdLG2sPFHcVo9d2fEdolx6f3fkGfGWDscY9kl5uHI4uKB7GiEE/H4zlpTxiNs3s=; X-YMail-OSG: 25REAxUVM1nVTvipsZ.CiOLx7If96.Erj19TmBmNgQ.bpFds3g8mrBg0lnN0wYxvqLRdlA-- Date: Sun, 3 Jun 2007 07:39:14 -0700 (PDT) From: Doug Thompson Subject: [PATCH 2/36] drivers edac add edac_mc_find API To: linux-kernel@vger.kernel.org, Andrew Morton , Alan Cox MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Message-ID: <147202.82456.qm@web50104.mail.re2.yahoo.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Douglas Thompson This simple patch adds an important CORE API for EDAC that EDAC drivers can use to find their edac_mc control structure by passing a mem_ctl_info 'instance' value Needed for subsequent patches Signed-off-by: Douglas Thompson -- edac_mc.c | 28 ++++++++++++++++++++++++++++ edac_mc.h | 1 + 2 files changed, 29 insertions(+) -- diff -puN drivers/edac/edac_mc.c~edac-new-opteron-athlon64-memory-controller-driver drivers/edac/edac_mc.c --- a/drivers/edac/edac_mc.c~edac-new-opteron-athlon64-memory-controller-driver +++ a/drivers/edac/edac_mc.c @@ -1457,6 +1457,34 @@ static void del_mc_from_global_list(stru } /** + * edac_mc_find: Search for a mem_ctl_info structure whose index is 'idx'. + * + * If found, return a pointer to the structure. + * Else return NULL. + * + * Caller must hold mem_ctls_mutex. + */ +struct mem_ctl_info * edac_mc_find(int idx) +{ + struct list_head *item; + struct mem_ctl_info *mci; + + list_for_each(item, &mc_devices) { + mci = list_entry(item, struct mem_ctl_info, link); + + if (mci->mc_idx >= idx) { + if (mci->mc_idx == idx) + return mci; + + break; + } + } + + return NULL; +} +EXPORT_SYMBOL(edac_mc_find); + +/** * edac_mc_add_mc: Insert the 'mci' structure into the mci global list and * create sysfs entries associated with mci structure * @mci: pointer to the mci structure to be added to the list diff -puN drivers/edac/edac_mc.h~edac-new-opteron-athlon64-memory-controller-driver drivers/edac/edac_mc.h --- a/drivers/edac/edac_mc.h~edac-new-opteron-athlon64-memory-controller-driver +++ a/drivers/edac/edac_mc.h @@ -430,6 +430,7 @@ void edac_mc_dump_mci(struct mem_ctl_inf void edac_mc_dump_csrow(struct csrow_info *csrow); #endif /* CONFIG_EDAC_DEBUG */ +extern struct mem_ctl_info * edac_mc_find(int idx); extern int edac_mc_add_mc(struct mem_ctl_info *mci,int mc_idx); extern struct mem_ctl_info * edac_mc_del_mc(struct device *dev); extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,