From patchwork Mon Jun 1 17:53:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 224948 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, 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 3FCCBC433E0 for ; Mon, 1 Jun 2020 18:47:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2090C206C3 for ; Mon, 1 Jun 2020 18:47:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591037271; bh=J2jIe6HbveuMkncJ1bisbe9ib21+twXrpFHhdmfVG6s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=uYswL+Qkuk4qLiwjDw2u8J9CazCE3TOg6Wvl8xTsXSn/pIvqfi1VhCqSTpzaF0AdH 12DEsKOuAP0o1NU6tcmVCdHZKFpwLFWuMJ/3qtOl/IMoF58xKN5WObsFPHY4HWgdEu F8bcMa6cKA7Zy2aUq+KRM1GlpDV6LQOuLFXTMi5U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729696AbgFASru (ORCPT ); Mon, 1 Jun 2020 14:47:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:54066 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729793AbgFASIE (ORCPT ); Mon, 1 Jun 2020 14:08:04 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E66432077D; Mon, 1 Jun 2020 18:08:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591034883; bh=J2jIe6HbveuMkncJ1bisbe9ib21+twXrpFHhdmfVG6s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OfuMWwCXvD7qBRdPl9eOsyGeebrI+f+uZEMPuYJfmL+eR3FXy0Smkr3cdAAGiTRHi Ho8dAB0GNhia2H1R3BNwiYeOrvM11bN1syty0oAq72LFfdhgQWgFRoV0PjSKpq37Pm JYQTiEwJ5K+zv3YFPowxe86D4VxnK1/dSjB6dFOk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tony Lindgren , Tero Kristo , Stephen Boyd , Sasha Levin Subject: [PATCH 5.4 054/142] clk: ti: am33xx: fix RTC clock parent Date: Mon, 1 Jun 2020 19:53:32 +0200 Message-Id: <20200601174043.395331588@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601174037.904070960@linuxfoundation.org> References: <20200601174037.904070960@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tero Kristo [ Upstream commit dc6dbd51009fc412729c307161f442c0a08618f4 ] Right now, trying to use RTC purely with the ti-sysc / clkctrl framework fails to enable the RTC module properly. Based on experimentation, this appears to be because RTC is sourced from the clkdiv32k optional clock. TRM is not very clear on this topic, but fix the RTC to use the proper source clock nevertheless. Reported-by: Tony Lindgren Signed-off-by: Tero Kristo Link: https://lkml.kernel.org/r/20200424152301.4018-1-t-kristo@ti.com Acked-by: Tony Lindgren Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/ti/clk-33xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/ti/clk-33xx.c b/drivers/clk/ti/clk-33xx.c index a360d3109555..73f567d8022f 100644 --- a/drivers/clk/ti/clk-33xx.c +++ b/drivers/clk/ti/clk-33xx.c @@ -212,7 +212,7 @@ static const struct omap_clkctrl_reg_data am3_mpu_clkctrl_regs[] __initconst = { }; static const struct omap_clkctrl_reg_data am3_l4_rtc_clkctrl_regs[] __initconst = { - { AM3_L4_RTC_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk_32768_ck" }, + { AM3_L4_RTC_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk-24mhz-clkctrl:0000:0" }, { 0 }, };