From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754694AbcIUJoJ (ORCPT ); Wed, 21 Sep 2016 05:44:09 -0400 Received: from mail.sigma-star.at ([95.130.255.111]:45996 "EHLO mail.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752139AbcIUJoI (ORCPT ); Wed, 21 Sep 2016 05:44:08 -0400 From: Daniel Walter To: linux-mtd@lists.infradead.org Cc: linux-kernel@vger.kernel.org, computersforpeace@gmail.com, dwmw2@infradead.org, Richard Weinberger Subject: [PATCH v2 01/46] mtdpart: Propagate _get/put_device() Date: Wed, 21 Sep 2016 11:43:56 +0200 Message-Id: <984fd8eb53b742bd46e7b42605ae4e0ceaf5ba08.1474450295.git.dwalter@sigma-star.at> X-Mailer: git-send-email 2.8.3 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Richard Weinberger If the master device has callbacks for _get/put_device() and this MTD has slaves a get_mtd_device() call on paritions will never issue the registered callbacks. Fix this by propagating _get/put_device() down. Reviewed-by: Boris Brezillon Signed-off-by: Richard Weinberger --- drivers/mtd/mtdpart.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 1f13e32..ec852fa 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -317,6 +317,18 @@ static int part_block_markbad(struct mtd_info *mtd, loff_t ofs) return res; } +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 int part_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *oobregion) { @@ -463,6 +475,12 @@ 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; -- 2.8.3