From patchwork Wed Oct 12 08:49:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13004823 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E1046C4167D for ; Wed, 12 Oct 2022 08:50:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DBiXv6TMplGAP3kVfgEzFLo7KCsSicDZ2ewhY8YjNU4=; b=sXA7br9+ceQqez vbcsZ0GiE/5C370brd7Y6ewEMjtjqfsffNqPtXQkVFJwbI6XDUqQsi75Lunk94LZMcdb9zHMQ6g1j ktkKWQ/Gw+iaaieXRpzeGIVj+BxjAnsDK2/JnCTcjQTCPfT8fnOKcKmx86kvpAeUvXJ/XU+E4EZSQ fUUuIWLXyhw3lcjK59ITsAGee6Wz06QJ6NXyTaMsVImtMhqxhTbmQ28LCVbAOBsgLERYomSuNBy8I u4/vbTPsua/wrz4K+Kz44bQilOSxegFfMTEizZp+mjVvJlOIX+PaM1Cn81gUb03IGYu3nI46W4JCt 6HWdDa4e43Mgp40yqOug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiXS3-007QAr-Tg; Wed, 12 Oct 2022 08:50:56 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiXRp-007Q1O-Vu for linux-phy@lists.infradead.org; Wed, 12 Oct 2022 08:50:44 +0000 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 8785DB819ED; Wed, 12 Oct 2022 08:50:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6658C43147; Wed, 12 Oct 2022 08:50:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665564638; bh=8sRdzceoHqEnTK59idxj2qW9KJkh4isVcLdGGneq9ms=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oglM1HRaQWGAhB2pnuP6Cbtj/W57LDlcra+oAo0kk1SdQw5d3TqPOERi5tWCt608T htdYOSh3WV2ORVMm45giHWJR22XBV4Gr4Fm/F0eP8qqbPQfcCaOZLB/dqIamrbLogM 2Hh9hfNLfnx7cttft/VmAONO2Qo/+dOGGZ6jZC3q4PxHRsg0eCo4r7qGoHN4IGK3kI KrZZzAYf76HP6v2Yq+eITEvt6QvJqILi3TeOjcaAUsE0O1B54dQX6iLX3gF5QkdByt H+itqo35ZFHjRMBPMo1DQqsTUgHDJlUWHMDv7NOPUkXUsxNFtD0l1hDHcEeHfRrceV UX40VOOrPysZA== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1oiXRe-0006Hg-Fo; 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 05/20] phy: qcom-qmp-pcie: increase status polling period Date: Wed, 12 Oct 2022 10:49:47 +0200 Message-Id: <20221012085002.24099-5-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221012_015042_253476_BD867673 X-CRM114-Status: GOOD ( 11.00 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.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.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index 4af6b9e50d16..d3e7e673114f 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -2004,7 +2004,7 @@ static int qmp_pcie_power_on(struct phy *phy) status = pcs + cfg->regs[QPHY_PCS_STATUS]; mask = cfg->phy_status; - ret = readl_poll_timeout(status, val, !(val & mask), 10, + ret = readl_poll_timeout(status, val, !(val & mask), 200, PHY_INIT_COMPLETE_TIMEOUT); if (ret) { dev_err(qmp->dev, "phy initialization timed-out\n");