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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 B8B21C4332B for ; Thu, 11 Mar 2021 19:13:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A3CA64EFE for ; Thu, 11 Mar 2021 19:13:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230346AbhCKTM6 (ORCPT ); Thu, 11 Mar 2021 14:12:58 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:44252 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229921AbhCKTMq (ORCPT ); Thu, 11 Mar 2021 14:12:46 -0500 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 12BJCanU072953; Thu, 11 Mar 2021 13:12:36 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1615489956; bh=n3DRjCff2C4yzirXTzPuZEGe7eZhKiV8GXaya6kJgQM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=b5kYp6YSfZpL/Ff+Z70SDQnez/A3FB8SSfTxS0cqixG2nzCWjraR+Btzj1a7B7m9V WvAflg74iWVQhjGQLXFA1IhaT3XT1o8HOdWeqqCwA/mFZavToyue+bBayuh1cgbsNU BfrQEdYAThM7P2qi7edmn0cztlpke12CwcNMW550= Received: from DFLE100.ent.ti.com (dfle100.ent.ti.com [10.64.6.21]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 12BJCaog113136 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 11 Mar 2021 13:12:36 -0600 Received: from DFLE107.ent.ti.com (10.64.6.28) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 11 Mar 2021 13:12:35 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE107.ent.ti.com (10.64.6.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Thu, 11 Mar 2021 13:12:35 -0600 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 12BJCHvU080816; Thu, 11 Mar 2021 13:12:31 -0600 From: Pratyush Yadav To: Nishanth Menon , Tero Kristo , Rob Herring , Tudor Ambarus , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Mark Brown , , , , , CC: Pratyush Yadav , Lokesh Vutla Subject: [RFC PATCH 3/6] mtd: spi-nor: core: run calibration when initialization is done Date: Fri, 12 Mar 2021 00:42:13 +0530 Message-ID: <20210311191216.7363-4-p.yadav@ti.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210311191216.7363-1-p.yadav@ti.com> References: <20210311191216.7363-1-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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Once the flash is initialized tell the controller it can run calibration procedures if needed. This can be useful when calibration is needed to run at higher clock speeds. Signed-off-by: Pratyush Yadav --- drivers/mtd/spi-nor/core.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 88888df009f0..e0cbcaf1be89 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3650,6 +3650,7 @@ static int spi_nor_probe(struct spi_mem *spimem) * checking what's really supported using spi_mem_supports_op(). */ const struct spi_nor_hwcaps hwcaps = { .mask = SNOR_HWCAPS_ALL }; + struct spi_mem_op op; char *flash_name; int ret; @@ -3709,8 +3710,15 @@ static int spi_nor_probe(struct spi_mem *spimem) if (ret) return ret; - return mtd_device_register(&nor->mtd, data ? data->parts : NULL, - data ? data->nr_parts : 0); + ret = mtd_device_register(&nor->mtd, data ? data->parts : NULL, + data ? data->nr_parts : 0); + if (ret) + return ret; + + op = spi_nor_spimem_get_read_op(nor); + spi_mem_do_calibration(nor->spimem, &op); + + return 0; } static int spi_nor_remove(struct spi_mem *spimem) -- 2.30.0 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 EBA38C433E0 for ; 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Thu, 11 Mar 2021 13:12:31 -0600 From: Pratyush Yadav To: Nishanth Menon , Tero Kristo , Rob Herring , Tudor Ambarus , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Mark Brown , , , , , CC: Pratyush Yadav , Lokesh Vutla Subject: [RFC PATCH 3/6] mtd: spi-nor: core: run calibration when initialization is done Date: Fri, 12 Mar 2021 00:42:13 +0530 Message-ID: <20210311191216.7363-4-p.yadav@ti.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210311191216.7363-1-p.yadav@ti.com> References: <20210311191216.7363-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210311_191240_069744_3EB33222 X-CRM114-Status: GOOD ( 12.45 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Once the flash is initialized tell the controller it can run calibration procedures if needed. This can be useful when calibration is needed to run at higher clock speeds. Signed-off-by: Pratyush Yadav --- drivers/mtd/spi-nor/core.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 88888df009f0..e0cbcaf1be89 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3650,6 +3650,7 @@ static int spi_nor_probe(struct spi_mem *spimem) * checking what's really supported using spi_mem_supports_op(). */ const struct spi_nor_hwcaps hwcaps = { .mask = SNOR_HWCAPS_ALL }; + struct spi_mem_op op; char *flash_name; int ret; @@ -3709,8 +3710,15 @@ static int spi_nor_probe(struct spi_mem *spimem) if (ret) return ret; - return mtd_device_register(&nor->mtd, data ? data->parts : NULL, - data ? data->nr_parts : 0); + ret = mtd_device_register(&nor->mtd, data ? data->parts : NULL, + data ? data->nr_parts : 0); + if (ret) + return ret; + + op = spi_nor_spimem_get_read_op(nor); + spi_mem_do_calibration(nor->spimem, &op); + + return 0; } static int spi_nor_remove(struct spi_mem *spimem) -- 2.30.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 53F3FC433DB for ; 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Thu, 11 Mar 2021 13:12:31 -0600 From: Pratyush Yadav To: Nishanth Menon , Tero Kristo , Rob Herring , Tudor Ambarus , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Mark Brown , , , , , CC: Pratyush Yadav , Lokesh Vutla Subject: [RFC PATCH 3/6] mtd: spi-nor: core: run calibration when initialization is done Date: Fri, 12 Mar 2021 00:42:13 +0530 Message-ID: <20210311191216.7363-4-p.yadav@ti.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210311191216.7363-1-p.yadav@ti.com> References: <20210311191216.7363-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210311_191240_069744_3EB33222 X-CRM114-Status: GOOD ( 12.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Once the flash is initialized tell the controller it can run calibration procedures if needed. This can be useful when calibration is needed to run at higher clock speeds. Signed-off-by: Pratyush Yadav --- drivers/mtd/spi-nor/core.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 88888df009f0..e0cbcaf1be89 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -3650,6 +3650,7 @@ static int spi_nor_probe(struct spi_mem *spimem) * checking what's really supported using spi_mem_supports_op(). */ const struct spi_nor_hwcaps hwcaps = { .mask = SNOR_HWCAPS_ALL }; + struct spi_mem_op op; char *flash_name; int ret; @@ -3709,8 +3710,15 @@ static int spi_nor_probe(struct spi_mem *spimem) if (ret) return ret; - return mtd_device_register(&nor->mtd, data ? data->parts : NULL, - data ? data->nr_parts : 0); + ret = mtd_device_register(&nor->mtd, data ? data->parts : NULL, + data ? data->nr_parts : 0); + if (ret) + return ret; + + op = spi_nor_spimem_get_read_op(nor); + spi_mem_do_calibration(nor->spimem, &op); + + return 0; } static int spi_nor_remove(struct spi_mem *spimem) -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel