From nobody Fri Oct 24 20:26:41 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42173C25B08 for ; Mon, 15 Aug 2022 21:53:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348595AbiHOVx3 (ORCPT ); Mon, 15 Aug 2022 17:53:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350218AbiHOVuw (ORCPT ); Mon, 15 Aug 2022 17:50:52 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF530DEB57; Mon, 15 Aug 2022 12:32:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 76B89B81126; Mon, 15 Aug 2022 19:32:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC52AC433C1; Mon, 15 Aug 2022 19:32:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660591939; bh=Sl8pAt6Q0dhidSZAmwSvNFkkV5IgZon/SaDP+uWCIr0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JF4CRkpFMQRi/6zirq/w9cGhy/l40AIDNwNerQsxoCInHzvBVfgOnJTvSJZcLTSRZ 5EUzPaZA6D0GuXhGhgU5L1eNBHMQ0PajVIcu94ALiqMD+XRujtJMpY38nLGDbMJE0n TKjUAa56W9uxo3EaH0SqlLGYe80WlErgFaC7fwDM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Robert Marko , Bjorn Andersson , Sasha Levin Subject: [PATCH 5.18 0707/1095] clk: qcom: ipq8074: SW workaround for UBI32 PLL lock Date: Mon, 15 Aug 2022 20:01:46 +0200 Message-Id: <20220815180458.639328837@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180429.240518113@linuxfoundation.org> References: <20220815180429.240518113@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Robert Marko [ Upstream commit 3401ea2856ef84f39b75f0dc5ebcaeda81cb90ec ] UBI32 Huayra PLL fails to lock in 5 us in some SoC silicon and thus it will cause the wait_for_pll() to timeout and thus return the error indicating that the PLL failed to lock. This is bug in Huayra PLL HW for which SW workaround is to set bit 26 of TEST_CTL register. This is ported from the QCA 5.4 based downstream kernel. Fixes: b8e7e519625f ("clk: qcom: ipq8074: add remaining PLL=E2=80=99s") Signed-off-by: Robert Marko Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220515210048.483898-2-robimarko@gmail.com Signed-off-by: Sasha Levin --- drivers/clk/qcom/gcc-ipq8074.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clk/qcom/gcc-ipq8074.c b/drivers/clk/qcom/gcc-ipq8074.c index 1a5141da7e23..b4291ba53c78 100644 --- a/drivers/clk/qcom/gcc-ipq8074.c +++ b/drivers/clk/qcom/gcc-ipq8074.c @@ -4805,6 +4805,9 @@ static int gcc_ipq8074_probe(struct platform_device *= pdev) if (IS_ERR(regmap)) return PTR_ERR(regmap); =20 + /* SW Workaround for UBI32 Huayra PLL */ + regmap_update_bits(regmap, 0x2501c, BIT(26), BIT(26)); + clk_alpha_pll_configure(&ubi32_pll_main, regmap, &ubi32_pll_config); clk_alpha_pll_configure(&nss_crypto_pll_main, regmap, &nss_crypto_pll_config); --=20 2.35.1