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=-8.5 required=3.0 tests=DKIM_ADSP_ALL,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 BF65FC352AA for ; Tue, 1 Oct 2019 16:40:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 844D921906 for ; Tue, 1 Oct 2019 16:40:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="nPpfREge" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729510AbfJAQk2 (ORCPT ); Tue, 1 Oct 2019 12:40:28 -0400 Received: from smtp-fw-6001.amazon.com ([52.95.48.154]:35264 "EHLO smtp-fw-6001.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729851AbfJAQkZ (ORCPT ); Tue, 1 Oct 2019 12:40:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1569948024; x=1601484024; h=from:to:cc:subject:date:message-id:mime-version; bh=B6ZukSVqPXIDGwanru0AxvEjOvXIzvMDbuKH0fi3bms=; b=nPpfREgestedl+iuTO8n5jzvJdO57zsy+ZE6BM0V8syEP+ITTB7dK3PY LHOcyeE/HrmpA4dPswmpT2tNnp6fvbykzK+tt3TuHtl2R1d67OoNsYMTs 7Dz+zFqUgTjjuyRCArB3Cp+UzGx8zgIfwhcGtSVgqg+S7O8XrfVAhc3pM I=; X-IronPort-AV: E=Sophos;i="5.64,571,1559520000"; d="scan'208";a="419078825" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-1a-16acd5e0.us-east-1.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-6001.iad6.amazon.com with ESMTP; 01 Oct 2019 16:40:19 +0000 Received: from EX13MTAUWC001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan2.iad.amazon.com [10.40.159.162]) by email-inbound-relay-1a-16acd5e0.us-east-1.amazon.com (Postfix) with ESMTPS id 080C1A25ED; Tue, 1 Oct 2019 16:40:17 +0000 (UTC) Received: from EX13D02UWC001.ant.amazon.com (10.43.162.243) by EX13MTAUWC001.ant.amazon.com (10.43.162.135) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 1 Oct 2019 16:40:16 +0000 Received: from EX13MTAUWA001.ant.amazon.com (10.43.160.58) by EX13D02UWC001.ant.amazon.com (10.43.162.243) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 1 Oct 2019 16:40:16 +0000 Received: from 8c859006a84e.ant.amazon.com (172.26.203.30) by mail-relay.amazon.com (10.43.160.118) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Tue, 1 Oct 2019 16:40:15 +0000 From: Patrick Williams CC: =?UTF-8?q?Bj=C3=B6rn=20Ard=C3=B6?= , Patrick Williams , Patrick Williams , Wolfram Sang , , Subject: [PATCH 1/2] i2c: slave-eeprom: initialize empty eeprom properly Date: Tue, 1 Oct 2019 11:40:05 -0500 Message-ID: <20191001164009.21610-1-alpawi@amazon.com> X-Mailer: git-send-email 2.17.2 (Apple Git-113) MIME-Version: 1.0 Content-Type: text/plain To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The i2c-slave-eeprom driver emulates at24 class eeprom devices, which come initialized with all 1s. Do the same in the software emulation. Signed-off-by: Patrick Williams --- drivers/i2c/i2c-slave-eeprom.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c index db9763cb4dae..efee56106251 100644 --- a/drivers/i2c/i2c-slave-eeprom.c +++ b/drivers/i2c/i2c-slave-eeprom.c @@ -131,6 +131,8 @@ static int i2c_slave_eeprom_probe(struct i2c_client *client, const struct i2c_de if (!eeprom) return -ENOMEM; + memset(eeprom->buffer, 0xFF, size); + eeprom->idx_write_cnt = 0; eeprom->num_address_bytes = flag_addr16 ? 2 : 1; eeprom->address_mask = size - 1; -- 2.17.2 (Apple Git-113)