From patchwork Mon Nov 16 14:34:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Matias_Bj=C3=B8rling?= X-Patchwork-Id: 7627801 X-Patchwork-Delegate: axboe@kernel.dk Return-Path: X-Original-To: patchwork-linux-block@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1075BBF90C for ; Mon, 16 Nov 2015 14:38:24 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3E1E920569 for ; Mon, 16 Nov 2015 14:38:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E8AF1205C4 for ; Mon, 16 Nov 2015 14:38:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752531AbbKPOhq (ORCPT ); Mon, 16 Nov 2015 09:37:46 -0500 Received: from mail-wm0-f41.google.com ([74.125.82.41]:37529 "EHLO mail-wm0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752426AbbKPOhe (ORCPT ); Mon, 16 Nov 2015 09:37:34 -0500 Received: by wmww144 with SMTP id w144so122015780wmw.0 for ; Mon, 16 Nov 2015 06:37:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bjorling.me; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; bh=+uhAvvjFGYAM3S9D/7fjWD92vJSC92oT+vBwhqbKHpM=; b=V5y/ihTkXGGUB+WHckLy5KRKpvm9lkXjUd+2AB+MF0zd/u0MnT16hsAQDdVZJLfAUX hMW2FtGdNzEgjhlcBeAMg5LTVj+30X6xx509XHBBCyiSEigMLvE3FQOQhW/oxF/VSfwo Ax542jIHJXARpBvHx8kSequ9j7MZjLMcC+Av4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-type:content-transfer-encoding; bh=+uhAvvjFGYAM3S9D/7fjWD92vJSC92oT+vBwhqbKHpM=; b=U1vH9dmqaLzkV2u5adjMaAIGvu8ge2buN1sNjlDJvO+LKrWO31vYsXrwBw/BBNRO9+ vj9KRzmyKc1CPq3HtJlSCkUb1BOxVa9z/JHZ+3UF28ICRadl/pQb/sXaeltOS8anxNF6 mfVVmlWQrc7NfgiQFOc/RQfTV4irHKmXo4xTV4jd0doq2sr2t9wQIwiUReAtj9kjROz2 xozK08JpneTggYbQhuprgOnU4H7wpQLmhPLMtyPycS7zg5ge0r6ZxCnthCCTxg1EyxKJ ttcbGSO8ISThXVKMQhoTiK5o+bqEBhd2jZaEz90Cv/bbhCGJGV3zdsIzG+kzVy3BQlk+ mtNg== X-Gm-Message-State: ALoCoQlv1rizIO1xSdQURGJksS1GB8G8o6QvD0RVdu0NzVIrFqKFywGnzZFnKtnOw0+SVq4hZKV0 X-Received: by 10.28.229.15 with SMTP id c15mr9287465wmh.76.1447684653056; Mon, 16 Nov 2015 06:37:33 -0800 (PST) Received: from localhost.localdomain (6164198-cl69.boa.fiberby.dk. [193.106.164.198]) by smtp.gmail.com with ESMTPSA id u139sm18818127wmu.22.2015.11.16.06.37.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 16 Nov 2015 06:37:32 -0800 (PST) From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, axboe@fb.com Cc: =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 07/13] lightnvm: check for NAND flash and its type Date: Mon, 16 Nov 2015 15:34:41 +0100 Message-Id: <1447684487-25539-8-git-send-email-m@bjorling.me> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1447684487-25539-1-git-send-email-m@bjorling.me> References: <1447684487-25539-1-git-send-email-m@bjorling.me> MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Only NAND flash with SLC and MLC is supported. Make sure to not try to initialize TLC memory or other non-volatile memory types. Signed-off-by: Matias Bjørling --- drivers/lightnvm/core.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index f659e60..0985a03 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -185,6 +185,16 @@ static int nvm_core_init(struct nvm_dev *dev) dev->plane_mode = NVM_PLANE_SINGLE; dev->max_rq_size = dev->ops->max_phys_sect * dev->sec_size; + if (grp->mtype != 0) { + pr_err("nvm: memory type not supported\n"); + return -EINVAL; + } + + if (grp->fmtype != 0 && grp->fmtype != 1) { + pr_err("nvm: flash type not supported\n"); + return -EINVAL; + } + if (grp->mpos & 0x020202) dev->plane_mode = NVM_PLANE_DOUBLE; if (grp->mpos & 0x040404)