From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753142AbdIFKhp (ORCPT ); Wed, 6 Sep 2017 06:37:45 -0400 Received: from fllnx209.ext.ti.com ([198.47.19.16]:56151 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753110AbdIFKhh (ORCPT ); Wed, 6 Sep 2017 06:37:37 -0400 From: Keerthy To: , CC: , , , , Subject: [PATCH] clk: ti: dra7xx: Reset the mcasp3_ahclkx_mux clock value Date: Wed, 6 Sep 2017 16:06:39 +0530 Message-ID: <1504694199-32227-1-git-send-email-j-keerthy@ti.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Reset the mcasp3_ahclkx_mux to abe_24m_fclk. This is needed in case of kexec where the reset values might be wiped off. Signed-off-by: Keerthy --- drivers/clk/ti/clk-7xx.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index 9fd6043..2c3a36c 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -312,7 +312,7 @@ int __init dra7xx_dt_clk_init(void) { int rc; - struct clk *dpll_ck, *hdcp_ck; + struct clk *dpll_ck, *hdcp_ck, *mcasp3_ahclkx_ck, *abe_ck; ti_dt_clocks_register(dra7xx_clks); @@ -338,5 +338,12 @@ int __init dra7xx_dt_clk_init(void) if (rc) pr_err("%s: failed to set dss_deshdcp_clk\n", __func__); + mcasp3_ahclkx_ck = clk_get_sys(NULL, "mcasp3_ahclkx_mux"); + abe_ck = clk_get_sys(NULL, "abe_24m_fclk"); + rc = clk_set_parent(mcasp3_ahclkx_ck, abe_ck); + if (rc) + pr_err("%s: failed to set parent for mcasp3_ahclkx_mux\n", + __func__); + return rc; } -- 1.9.1