From patchwork Wed Oct 12 08:49:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 614843 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 8D9F4C4167D for ; Wed, 12 Oct 2022 08:50:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229709AbiJLIuo (ORCPT ); Wed, 12 Oct 2022 04:50:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229641AbiJLIul (ORCPT ); Wed, 12 Oct 2022 04:50:41 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C29D760E0; Wed, 12 Oct 2022 01:50:40 -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 dfw.source.kernel.org (Postfix) with ESMTPS id A6CC861483; Wed, 12 Oct 2022 08:50:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06F90C43149; Wed, 12 Oct 2022 08:50:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665564639; bh=j091Sqs8HEJc78tMWY2dRxB2XsEU9gn3lUCPU2crSpc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pAQAch98ha1mfbhWU0PmeZjGflOKzssPKmONxObEBSynh5ct2ZjuMihRdkN5n0E4p Fen9t8CGGt4N4sY4/Flea3cISuigtTn3mO7ee37Td4ayovFXuk910Vxe2FvkUSZgMC IYar2URtLXDMyNcIUQMtE/9C13IkQ2r4PCGM8ISNPcDuPKW1RT97kyPFzC1LG/zCMa 0of9Lx9es6tAJC7CnM2OyY8pnnYPFYI9qJ8VMOItoOWv+HBrVbtyVuWDSwG5+aITvE gSfSgzpT3Oqh+CJU9vL4QKa8msVUDCb6LNgl/qOAkinMyj49VWu7Its8lleJtovnkM b7nosqbw67kpQ== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1oiXRe-0006Hm-Lc; Wed, 12 Oct 2022 10:50:30 +0200 From: Johan Hovold To: Vinod Koul Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , Kishon Vijay Abraham I , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH 07/20] phy: qcom-qmp-pcie-msm8996: increase status polling period Date: Wed, 12 Oct 2022 10:49:49 +0200 Message-Id: <20221012085002.24099-7-johan+linaro@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221012085002.24099-1-johan+linaro@kernel.org> References: <20221012084846.24003-1-johan+linaro@kernel.org> <20221012085002.24099-1-johan+linaro@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org It typically takes between one and two milliseconds for the PHY to become ready after starting it. Increase the tight 3--10 us polling period to the more reasonable 51--200 us. Signed-off-by: Johan Hovold --- drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c index b9260c8746bf..cd8fafe4c295 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c @@ -360,7 +360,7 @@ static int qmp_pcie_msm8996_serdes_init(struct qmp_phy *qphy) SERDES_START | PCS_START); status = serdes + cfg->regs[QPHY_COM_PCS_READY_STATUS]; - ret = readl_poll_timeout(status, val, (val & PCS_READY), 10, + ret = readl_poll_timeout(status, val, (val & PCS_READY), 200, PHY_INIT_COMPLETE_TIMEOUT); if (ret) { dev_err(qmp->dev, @@ -514,7 +514,7 @@ static int qmp_pcie_msm8996_power_on(struct phy *phy) qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); status = pcs + cfg->regs[QPHY_PCS_STATUS]; - ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 10, + ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 200, PHY_INIT_COMPLETE_TIMEOUT); if (ret) { dev_err(qmp->dev, "phy initialization timed-out\n");