From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ns.mm-sol.com ([37.157.136.199]:35587 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729184AbeGYRvY (ORCPT ); Wed, 25 Jul 2018 13:51:24 -0400 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 v4 07/34] media: camss: csiphy: Ensure clock mux config is done before the rest Date: Wed, 25 Jul 2018 19:38:16 +0300 Message-Id: <1532536723-19062-8-git-send-email-todor.tomov@linaro.org> In-Reply-To: <1532536723-19062-1-git-send-email-todor.tomov@linaro.org> References: <1532536723-19062-1-git-send-email-todor.tomov@linaro.org> Sender: linux-media-owner@vger.kernel.org List-ID: 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(+) 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); -- 2.7.4