From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37CAEC282DD for ; Thu, 9 Jan 2020 19:31:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C2962051A for ; Thu, 9 Jan 2020 19:31:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730297AbgAITa7 (ORCPT ); Thu, 9 Jan 2020 14:30:59 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:44222 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728823AbgAITa7 (ORCPT ); Thu, 9 Jan 2020 14:30:59 -0500 Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 19D4E2934E8; Thu, 9 Jan 2020 19:30:58 +0000 (GMT) Date: Thu, 9 Jan 2020 20:30:55 +0100 From: Boris Brezillon To: Mason Yang Cc: miquel.raynal@bootlin.com, richard@nod.at, marek.vasut@gmail.com, dwmw2@infradead.org, bbrezillon@kernel.org, computersforpeace@gmail.com, vigneshr@ti.com, juliensu@mxic.com.tw, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Subject: Re: [PATCH v2 1/4] mtd: rawnand: Add support manufacturer specific lock/unlock operatoin Message-ID: <20200109203055.2370a358@collabora.com> In-Reply-To: <1572256527-5074-2-git-send-email-masonccyang@mxic.com.tw> References: <1572256527-5074-1-git-send-email-masonccyang@mxic.com.tw> <1572256527-5074-2-git-send-email-masonccyang@mxic.com.tw> Organization: Collabora X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 28 Oct 2019 17:55:24 +0800 Mason Yang wrote: > /* Set default functions */ > static void nand_set_defaults(struct nand_chip *chip) > { > @@ -5782,8 +5810,8 @@ static int nand_scan_tail(struct nand_chip *chip) > mtd->_read_oob = nand_read_oob; > mtd->_write_oob = nand_write_oob; > mtd->_sync = nand_sync; > - mtd->_lock = NULL; > - mtd->_unlock = NULL; > + mtd->_lock = nand_lock; > + mtd->_unlock = nand_unlock; > mtd->_suspend = nand_suspend; > mtd->_resume = nand_resume; > mtd->_reboot = nand_shutdown; > diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h > index 4ab9bcc..2430ecd 100644 > --- a/include/linux/mtd/rawnand.h > +++ b/include/linux/mtd/rawnand.h > @@ -1136,6 +1136,9 @@ struct nand_chip { > const struct nand_manufacturer *desc; > void *priv; > } manufacturer; > + > + int (*_lock)(struct nand_chip *chip, loff_t ofs, uint64_t len); > + int (*_unlock)(struct nand_chip *chip, loff_t ofs, uint64_t len); Please drop this _ prefix. > };