From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933912AbcHDOSB (ORCPT ); Thu, 4 Aug 2016 10:18:01 -0400 Received: from relay1.mentorg.com ([192.94.38.131]:64545 "EHLO relay1.mentorg.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964798AbcHDOR4 (ORCPT ); Thu, 4 Aug 2016 10:17:56 -0400 From: Sandeep Jain To: , CC: , , Jim Baxter , Sandeep Jain Subject: [PATCH v1 2/2] mtd: Add hooks to call get and put on mtd devices. Date: Thu, 4 Aug 2016 19:46:34 +0530 Message-ID: <1470320194-9602-3-git-send-email-Sandeep_Jain@mentor.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1470320194-9602-1-git-send-email-Sandeep_Jain@mentor.com> References: <1470320194-9602-1-git-send-email-Sandeep_Jain@mentor.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 From: Jim Baxter Add hooks to mtdpart to call _get_device and _put_device, this allows the mtd devices to perform internal reference counting if required. Signed-off-by: Jim Baxter Signed-off-by: Sandeep Jain --- drivers/mtd/mtdpart.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 1f13e32..adbb1fd 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -338,6 +338,20 @@ static const struct mtd_ooblayout_ops part_ooblayout_ops = { .free = part_ooblayout_free, }; +static int part_get_device(struct mtd_info *mtd) +{ + struct mtd_part *part = mtd_to_part(mtd); + + return part->master->_get_device(part->master); +} + +static void part_put_device(struct mtd_info *mtd) +{ + struct mtd_part *part = mtd_to_part(mtd); + + part->master->_put_device(part->master); +} + static inline void free_partition(struct mtd_part *p) { kfree(p->mtd.name); @@ -463,6 +477,10 @@ static struct mtd_part *allocate_partition(struct mtd_info *master, slave->mtd._block_isbad = part_block_isbad; if (master->_block_markbad) slave->mtd._block_markbad = part_block_markbad; + if (master->_get_device) + slave->mtd._get_device = part_get_device; + if (master->_put_device) + slave->mtd._put_device = part_put_device; slave->mtd._erase = part_erase; slave->master = master; slave->offset = part->offset; -- 1.7.9.5