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=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 3EC53C433E2 for ; Wed, 16 Sep 2020 17:26:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ECA38222C8 for ; Wed, 16 Sep 2020 17:26:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="T6psRdSv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727053AbgIPR0T (ORCPT ); Wed, 16 Sep 2020 13:26:19 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:58446 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726881AbgIPRZa (ORCPT ); Wed, 16 Sep 2020 13:25:30 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 08GCiwg2042791; Wed, 16 Sep 2020 07:44:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1600260298; bh=gxuAx0BuQR0ZpOXB5qXMenIgG3U+J4rXn0pxen/9h4M=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=T6psRdSvidJFTNS8JUWeMbt0XZ5TCi4QVgtQh/I/Wl+jMMOYnm1W/CNyZjHqkLAda yXoL3PJv8yYWd0JF4mzNOAHY16IZfAwWIjSfJU8avIugD/RtLERVh/TEm5IT0uU1wn DEGCizo+luyd8jnHSV4BhtWIaSIoHzXPU1eju/5Y= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08GCiwNX018108; Wed, 16 Sep 2020 07:44:58 -0500 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 16 Sep 2020 07:44:58 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 16 Sep 2020 07:44:58 -0500 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08GCiIpg125391; Wed, 16 Sep 2020 07:44:56 -0500 From: Pratyush Yadav To: Tudor Ambarus , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , , CC: Pratyush Yadav , Sekhar Nori , Boris Brezillon Subject: [PATCH v13 12/15] mtd: spi-nor: core: disable Octal DTR mode on suspend. Date: Wed, 16 Sep 2020 18:14:15 +0530 Message-ID: <20200916124418.833-13-p.yadav@ti.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200916124418.833-1-p.yadav@ti.com> References: <20200916124418.833-1-p.yadav@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On resume, the init procedure will be run that will re-enable it. Signed-off-by: Pratyush Yadav --- drivers/mtd/spi-nor/core.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 853dfa02f0de..d5c92c9c7307 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3212,6 +3212,23 @@ static void spi_nor_soft_reset(struct spi_nor *nor) usleep_range(SPI_NOR_SRST_SLEEP_MIN, SPI_NOR_SRST_SLEEP_MAX); } +/* mtd suspend handler */ +static int spi_nor_suspend(struct mtd_info *mtd) +{ + struct spi_nor *nor = mtd_to_spi_nor(mtd); + struct device *dev = nor->dev; + int ret; + + /* Disable octal DTR mode if we enabled it. */ + ret = spi_nor_octal_dtr_enable(nor, false); + if (ret) { + dev_err(dev, "suspend() failed\n"); + return ret; + } + + return 0; +} + /* mtd resume handler */ static void spi_nor_resume(struct mtd_info *mtd) { @@ -3406,6 +3423,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, mtd->size = nor->params->size; mtd->_erase = spi_nor_erase; mtd->_read = spi_nor_read; + mtd->_suspend = spi_nor_suspend; mtd->_resume = spi_nor_resume; if (nor->params->locking_ops) { -- 2.28.0 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=-6.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=no 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 F3D19C43461 for ; Wed, 16 Sep 2020 20:57:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D69621D7D for ; Wed, 16 Sep 2020 20:57:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="T6psRdSv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727014AbgIPU5w (ORCPT ); Wed, 16 Sep 2020 16:57:52 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:54108 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726546AbgIPQwW (ORCPT ); Wed, 16 Sep 2020 12:52:22 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 08GCiwg2042791; Wed, 16 Sep 2020 07:44:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1600260298; bh=gxuAx0BuQR0ZpOXB5qXMenIgG3U+J4rXn0pxen/9h4M=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=T6psRdSvidJFTNS8JUWeMbt0XZ5TCi4QVgtQh/I/Wl+jMMOYnm1W/CNyZjHqkLAda yXoL3PJv8yYWd0JF4mzNOAHY16IZfAwWIjSfJU8avIugD/RtLERVh/TEm5IT0uU1wn DEGCizo+luyd8jnHSV4BhtWIaSIoHzXPU1eju/5Y= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08GCiwNX018108; Wed, 16 Sep 2020 07:44:58 -0500 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 16 Sep 2020 07:44:58 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 16 Sep 2020 07:44:58 -0500 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08GCiIpg125391; Wed, 16 Sep 2020 07:44:56 -0500 From: Pratyush Yadav To: Tudor Ambarus , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , , CC: Pratyush Yadav , Sekhar Nori , Boris Brezillon Subject: [PATCH v13 12/15] mtd: spi-nor: core: disable Octal DTR mode on suspend. Date: Wed, 16 Sep 2020 18:14:15 +0530 Message-ID: <20200916124418.833-13-p.yadav@ti.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200916124418.833-1-p.yadav@ti.com> References: <20200916124418.833-1-p.yadav@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Message-ID: <20200916124415.8vdndTuHR_MUdSaSWCHn4HYVlaquF9LMbofOOhDKHqE@z>