From patchwork Wed Apr 24 20:26:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 10915711 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D532A1390 for ; Wed, 24 Apr 2019 20:26:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BCFE528AC0 for ; Wed, 24 Apr 2019 20:26:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B165028AE3; Wed, 24 Apr 2019 20:26:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1627328AC0 for ; Wed, 24 Apr 2019 20:26:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=j85x5qE109k6k3mYuZCuvpIZ/rpIR1fb4yeiWRFAdFU=; b=EyY+B8Q6B3Nofl 6kjed28aATfyGbutEB9BSEZdGNQclcia+/yQU+Oejj+zzvLQ6bz0ZTLygiSKI6DLjdoS24dcB7ZFT uqXUnV1HBx04YfFJT9OHQyKBmAcwUIkhJXTqqTlQidnyYWJY/TTtUHNhM2d3l5X0oICg7Gk0rekon CD7gKIFE4Ygu0Ne48SsJWPdNcLg/vjbMGA59v+h4TxkUY5wXakOHajpD6sKW0pOyAHbO6JDW/vWKu 7AlJ47zakWrk+E8MUtQvLaiQDGNguoVyIX6lrKoVB+GN///D9GkSU2kjQJ5RYCWCAhErJFAdJIaL3 FaYsqZVeF3eDrO3+tLcw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hJOTB-0001b3-7Z; Wed, 24 Apr 2019 20:26:17 +0000 Received: from mail-ed1-x541.google.com ([2a00:1450:4864:20::541]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hJOT7-0001ZX-N5 for linux-arm-kernel@lists.infradead.org; Wed, 24 Apr 2019 20:26:15 +0000 Received: by mail-ed1-x541.google.com with SMTP id u57so17159779edm.3 for ; Wed, 24 Apr 2019 13:26:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nexus-software-ie.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vDjC1HhrwiK6rBinSJgP2ZiTatVr91mDGrEAz73BDHg=; b=aPsu4+OjqfbzF5GV6br5mQsWEao60LQX4rnbz9NlpuaBhJy5kYKzyESLg2JEisMnXg +WqkGjqTcEGt0PWrfaAmfLEG52yYoxYXtUd8o+A0E2ZlYb1UWn9Q+sshWN8b14RCWOI0 iDTgi+cFjY8SWkUoOFGIwLt8wJhMFR8mgX3PdEbZBr8dPryArhKsaOPItIT4Hjzn8rL3 gw97cEN4BshNudxjyUA3wTyq8kWNTMcPxzyPR0tsZO+qk80j+5DZcg3UKxNsgpspJlnW 6TGH7t/6xXqdjgB4dyURVBaTdk/qyvEjKrR1N6gXu393QxLhgwIDE3YYre6KxhUcBCJD X1sg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=vDjC1HhrwiK6rBinSJgP2ZiTatVr91mDGrEAz73BDHg=; b=ZpML/TrTDnkUjR2x0Tjl/2Z9ynCES080VmsCkr8PI8HAVOx9eYBtOQt+GeXIkG3rsr mjPSRkUfdcYy2h80pU+ZSlni/A/ts1PtKXtwyZUV5IF2s7IvOOQodit4jj++ZcgQ0/Fw fkOGQunCVMKwoyq6uDThi6hvVxb7Vfkw3BsAeqMWspsuT/yGZJTF5J9QU8gNYrfVt0O+ 6bfLnLAI5mol/aVZxww06g0Lks69SIBTg8P3U83bljfupLa4dUSn/NhVIJ3n2SfrFm/N TEwc3xR461MRZt/6tse+6Cv4lxvhudzRC9LeQEI8sTGtTlRoKnZCGdxUGlY1xe6cxMhm Zlag== X-Gm-Message-State: APjAAAXnQ/9GdxFUC+1TVwXV4CHSiZ0kQYnRqXrJ8PbXXHzW3u0Bg8Ml Kd0LmlcLqjnM3OVhkUgDvqtwp2WgpnM= X-Google-Smtp-Source: APXvYqy5iLkWZKdJFPvR0w+oEKd7+tktJsCPhdElscr3CQJZOtPfkD0yo7IAg7+uQ2UuI8KmUxNjyw== X-Received: by 2002:a50:9744:: with SMTP id d4mr20965378edb.125.1556137572072; Wed, 24 Apr 2019 13:26:12 -0700 (PDT) Received: from event-horizon.net ([80.111.179.123]) by smtp.gmail.com with ESMTPSA id c26sm3728988eja.86.2019.04.24.13.26.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Apr 2019 13:26:11 -0700 (PDT) From: Bryan O'Donoghue To: l.stach@pengutronix.de, peng.fan@nxp.com, shawnguo@kernel.org, srinivas.kandagatla@linaro.org, leonard.crestez@nxp.com Subject: [PATCH v5 1/5] nvmem: imx-ocotp: Elongate OCOTP_CTRL ADDR field to eight bits Date: Wed, 24 Apr 2019 21:26:03 +0100 Message-Id: <20190424202607.23522-2-pure.logic@nexus-software.ie> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190424202607.23522-1-pure.logic@nexus-software.ie> References: <20190424202607.23522-1-pure.logic@nexus-software.ie> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190424_132613_752480_ED5AEB43 X-CRM114-Status: GOOD ( 11.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, abel.vesa@nxp.com, anson.huang@nxp.com, linux-imx@nxp.com, kernel@pengutronix.de, fabio.estevam@nxp.com, Bryan O'Donoghue , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP i.MX6 defines OCOTP_CTRLn:ADDR as seven bit address-field with a one bit RSVD0 field, i.MX7 defines OCOTP_CTRLn:ADDR as a four bit address-field with a four bit RSVD0 field. i.MX8 defines the OCOTP_CTRLn:ADDR bit-field as a full range eight bits. i.MX6 and i.MX7 should return zero for their respective RSVD0 bits and ignore a write-back of zero where i.MX8 will make use of the full range. This patch expands the bit-field definition for all users to eight bits, which is safe due to RSVD0 being a no-op for the i.MX6 and i.MX7. Signed-off-by: Bryan O'Donoghue Reviewed-by: Leonard Crestez --- drivers/nvmem/imx-ocotp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c index 4cf7b61e4bf5..6600c4ddeb51 100644 --- a/drivers/nvmem/imx-ocotp.c +++ b/drivers/nvmem/imx-ocotp.c @@ -45,7 +45,7 @@ #define IMX_OCOTP_ADDR_DATA2 0x0040 #define IMX_OCOTP_ADDR_DATA3 0x0050 -#define IMX_OCOTP_BM_CTRL_ADDR 0x0000007F +#define IMX_OCOTP_BM_CTRL_ADDR 0x000000FF #define IMX_OCOTP_BM_CTRL_BUSY 0x00000100 #define IMX_OCOTP_BM_CTRL_ERROR 0x00000200 #define IMX_OCOTP_BM_CTRL_REL_SHADOWS 0x00000400