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=-16.7 required=3.0 tests=BAYES_00, 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 57F8EC432BE for ; Tue, 27 Jul 2021 10:10:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3617261458 for ; Tue, 27 Jul 2021 10:10:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236171AbhG0KKl (ORCPT ); Tue, 27 Jul 2021 06:10:41 -0400 Received: from muru.com ([72.249.23.125]:55756 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236046AbhG0KKk (ORCPT ); Tue, 27 Jul 2021 06:10:40 -0400 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 9B01C80F0; Tue, 27 Jul 2021 10:10:57 +0000 (UTC) From: Tony Lindgren To: Krzysztof Kozlowski Cc: Roger Quadros , linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Roger Quadros Subject: [PATCH 1/2] memory: omap-gpmc: Clear GPMC_CS_CONFIG7 register on restore if unused Date: Tue, 27 Jul 2021 13:10:33 +0300 Message-Id: <20210727101034.32148-1-tony@atomide.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We want to clear any unused GPMC_CS_CONFIG7 register on restore to ensure unused chip selects are not enabled. Cc: Roger Quadros Signed-off-by: Tony Lindgren --- drivers/memory/omap-gpmc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -2595,6 +2595,8 @@ void omap3_gpmc_restore_context(void) gpmc_context.cs_context[i].config6); gpmc_cs_write_reg(i, GPMC_CS_CONFIG7, gpmc_context.cs_context[i].config7); + } else { + gpmc_cs_write_reg(i, GPMC_CS_CONFIG7, 0); } } } -- 2.32.0