From patchwork Thu Jul 5 13:32:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Todor Tomov X-Patchwork-Id: 141177 Delivered-To: patch@linaro.org Received: by 2002:a2e:9754:0:0:0:0:0 with SMTP id f20-v6csp1956190ljj; Thu, 5 Jul 2018 06:41:26 -0700 (PDT) X-Google-Smtp-Source: AAOMgpd5tBCjbZJwoEH7BjzERQilC20VkDxODOMhdOS1NZnRJuyd10NnX7vvUIJkMH81bNGULMF0 X-Received: by 2002:a63:214f:: with SMTP id s15-v6mr3798092pgm.267.1530798086784; Thu, 05 Jul 2018 06:41:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530798086; cv=none; d=google.com; s=arc-20160816; b=aIWnpHXT/nuzrrAnUExsIsnQrQWhRFbE1oAi9OcuXqTJY1/q9Cfav/5Txxr8LAAF92 ZzFWIJvp5MdyWkqrys47XJfik48xRbJWKGydMB5BZAmABYK/Ks7OqLfGXKEo1HEj5lh+ GGZLVUb0LgbkVGqMkkstiDfVUFfcjisc+PYJ2N0DbSIXX3sy5Ed3UgQKZm6b5dUxpBcf yRfWNAJEZgzvAxC4EqWwxagCq/8j0IkzXZCsNTEDHpMu1eZOcpQHIhz9yYi8M0LOCQxz 5fAoK3oDU+gZ0psW5AGAveR/HvaC7C6OZNrzRHpVbjpwRgRa3NV+tDTraPMJJOsdee1y D++Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=sH7oRCdvtHVIVF8kquYevQnEBk97DO+DZw/tnWBZzss=; b=oZMqintVSuy7+jM5GIz/r5zwFEXhQ5uqsgOhrouOYZ5Eg8+Lzx+Y/ovxC5jp6laM0o WUOYvImM5ZjxpxajTnATSOxZrI7NVXc3xXdTzRx7PSjEpXjmnhNSorm0qWmJlOHwFPql 2n2dv7Sn4vAC2xPeUrhKYKYDg6frsWmaq2ZKcO3uAzQBmy1Ief4e4sjkARttdTPrvYXd K3JXyPjgpoQQXrvoRZanhLf1nq5ALxcttxeD/Ws3stxhcZ3RR5oQsMm+PQfsu1j5ITAQ OXe+ACLYZQqrxT/1x9Fgxnc3BkTq2jHVatq8aE0jqT19+80fANmHl8kvOLiYFPIVu0l7 mOhw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k185-v6si5715934pgd.15.2018.07.05.06.41.26; Thu, 05 Jul 2018 06:41:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754486AbeGENlO (ORCPT + 31 others); Thu, 5 Jul 2018 09:41:14 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:41291 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753655AbeGENdU (ORCPT ); Thu, 5 Jul 2018 09:33:20 -0400 Received: from mms-0439.qualcomm.mm-sol.com (unknown [37.157.136.206]) by extserv.mm-sol.com (Postfix) with ESMTPSA id 1980BCD4F; Thu, 5 Jul 2018 16:33:17 +0300 (EEST) From: Todor Tomov To: mchehab@kernel.org, sakari.ailus@linux.intel.com, hans.verkuil@cisco.com, laurent.pinchart+renesas@ideasonboard.com, linux-media@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Todor Tomov Subject: [PATCH v2 07/34] media: camss: csiphy: Ensure clock mux config is done before the rest Date: Thu, 5 Jul 2018 16:32:38 +0300 Message-Id: <1530797585-8555-8-git-send-email-todor.tomov@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org> References: <1530797585-8555-1-git-send-email-todor.tomov@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a write memory barier after clock mux config and before the rest of the csiphy config. Signed-off-by: Todor Tomov --- drivers/media/platform/qcom/camss/camss-csiphy.c | 1 + 1 file changed, 1 insertion(+) -- 2.7.4 diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c index b37e691..2a9adcd 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c @@ -364,6 +364,7 @@ static int csiphy_stream_on(struct csiphy_device *csiphy) val |= cfg->csid_id; } writel_relaxed(val, csiphy->base_clk_mux); + wmb(); writel_relaxed(0x1, csiphy->base + CAMSS_CSI_PHY_GLBL_T_INIT_CFG0);