From patchwork Mon Feb 24 10:37:40 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Shijie X-Patchwork-Id: 3708761 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 823BB9F2F7 for ; Mon, 24 Feb 2014 11:22:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B01E520149 for ; Mon, 24 Feb 2014 11:22:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1A342013A for ; Mon, 24 Feb 2014 11:22:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752388AbaBXLWa (ORCPT ); Mon, 24 Feb 2014 06:22:30 -0500 Received: from am1ehsobe002.messaging.microsoft.com ([213.199.154.205]:28487 "EHLO am1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752345AbaBXLWa (ORCPT ); Mon, 24 Feb 2014 06:22:30 -0500 Received: from mail82-am1-R.bigfish.com (10.3.201.251) by AM1EHSOBE009.bigfish.com (10.3.204.29) with Microsoft SMTP Server id 14.1.225.22; Mon, 24 Feb 2014 11:22:28 +0000 Received: from mail82-am1 (localhost [127.0.0.1]) by mail82-am1-R.bigfish.com (Postfix) with ESMTP id 9196D2A0109; Mon, 24 Feb 2014 11:22:28 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 8 X-BigFish: VS8(ze98mzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah1fc6h1082kzz1de098h8275bh1de097hz2dh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h24afh2327h2336h2438h2461h2487h24d7h2516h2545h255eh1155h) Received: from mail82-am1 (localhost.localdomain [127.0.0.1]) by mail82-am1 (MessageSwitch) id 1393240946772743_7936; Mon, 24 Feb 2014 11:22:26 +0000 (UTC) Received: from AM1EHSMHS015.bigfish.com (unknown [10.3.201.250]) by mail82-am1.bigfish.com (Postfix) with ESMTP id AB7596005C; Mon, 24 Feb 2014 11:22:26 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by AM1EHSMHS015.bigfish.com (10.3.207.153) with Microsoft SMTP Server (TLS) id 14.16.227.3; Mon, 24 Feb 2014 11:22:26 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.3.158.2; Mon, 24 Feb 2014 11:22:24 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id s1OBLp2K016423; Mon, 24 Feb 2014 04:22:20 -0700 From: Huang Shijie To: CC: , , , , , , , , , , , , , , Huang Shijie Subject: [PATCH v5 6/8] mtd: spi-nor: add a helper to find the spi_device_id Date: Mon, 24 Feb 2014 18:37:40 +0800 Message-ID: <1393238262-8622-7-git-send-email-b32955@freescale.com> X-Mailer: git-send-email 1.7.2.rc3 In-Reply-To: <1393238262-8622-1-git-send-email-b32955@freescale.com> References: <1393238262-8622-1-git-send-email-b32955@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-FOPE-CONNECTOR: Id%0$Dn%FREESCALE.MAIL.ONMICROSOFT.COM$RO%1$TLS%0$FQDN%$TlsDn% Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY, UNRESOLVED_TEMPLATE autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add the spi_nor_match_id() to find the proper spi_device_id with the NOR flash's name in the spi_nor_ids table. Signed-off-by: Huang Shijie --- drivers/mtd/spi-nor/spi-nor.c | 12 ++++++++++++ include/linux/mtd/spi-nor.h | 12 ++++++++++++ 2 files changed, 24 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index a840e88..6c8fd01 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -1081,6 +1081,18 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, return 0; } +const struct spi_device_id *spi_nor_match_id(char *name) +{ + const struct spi_device_id *id = spi_nor_ids; + + while (id->name[0]) { + if (!strcmp(name, id->name)) + return id; + id++; + } + return NULL; +} + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Huang Shijie "); MODULE_AUTHOR("Mike Lavender"); diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 16d8409..41dae78 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -182,4 +182,16 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, enum read_mode mode); extern const struct spi_device_id spi_nor_ids[]; +/** + * spi_nor_match_id() - find the spi_device_id by the name + * @name: the name of the spi_device_id + * + * The drivers use this function to find the spi_device_id + * specified by the @name. + * + * Return: returns the right spi_device_id pointer on success, + * and returns NULL on failure. + */ +const struct spi_device_id *spi_nor_match_id(char *name); + #endif