From patchwork Wed Oct 12 08:49:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13004821 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 78022C4332F for ; Wed, 12 Oct 2022 08:50:55 +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=wpPlnarW2HNGsaXmQba/0tHIBRM684Q0RQQGDY22UvY=; b=xeRSF+ovhE/zAH YoU/BPFHtIgC7Jl8wt9GPF7NWVWGAZuy1fIVJokz1eYAlARVL9THKiBMh6l+v4mVMHOYw1ykAhc0r S9unCc5fiNdHlC5YuP/5ndojlBPQgM2NGE31mgljZyYZKXM1XOWxQQr5zZ4rvcwPx7UhXUDEBA0AU Z0nxKLw0Wbs3b0yETRFWgvHz9JYiY7vPiHo9qM2Xkjm4976GhX0HbjVQHBz+uW4wc0o4Ux5KjErai t+s668l1yMYFIt1tGpdXFyoazoTrw02E8AYgaJ94Gybiy1vpjTZ+3iINZQ7f6CtMptaIfbR/fhBcm 9XbhElyWVxiH8aFUoU5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiXS1-007QA7-A3; Wed, 12 Oct 2022 08:50:53 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiXRp-007Q23-US 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 dfw.source.kernel.org (Postfix) with ESMTPS id B40C8614A2; Wed, 12 Oct 2022 08:50:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6CF1CC433D7; 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=grrQJRlOwTBUkzdoRWtUy3loadm28dQuP1YPgfYctaU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HdlQZJIiK0xGzdnHR6Q5tG2ra70zyk7S5uNRSL/6FkPORm2U2iTv/hpTHvB/YkaMK yx8bWP8vzfZEFrnoNGyNlOIZha00NY7rWEn1b3Emjx29oF+BoAKkI0SGWB/VyNus8C LW51IRj8iNwHhTH6lw3LBNUoSJWc6PT3DA5DT1eMQACukBJfY3P2WmEd03JLD88yH7 u2cCl/kuDblx9UKR+o8smVupgMKabscBvH5MMQb0gklVhQHjhEVz4hu9AO3B7/pUUc BITrKF551OLnRY1/RTNfI+jp0a+PAz7S8neHxcug6aYtPs4siHGwpMgnKfmI8+fNfh nHgBhCkMFwmCg== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1oiXRf-0006I1-3Q; Wed, 12 Oct 2022 10:50:31 +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 12/20] phy: qcom-qmp-ufs: increase ready polling period Date: Wed, 12 Oct 2022 10:49:54 +0200 Message-Id: <20221012085002.24099-12-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_073984_755D21AB X-CRM114-Status: GOOD ( 10.94 ) 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-ufs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index 8380904cf26c..1a51f803928b 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -937,7 +937,7 @@ static int qmp_ufs_power_on(struct phy *phy) qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl); status = pcs + cfg->regs[QPHY_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, "phy initialization timed-out\n");