From mboxrd@z Thu Jan 1 00:00:00 1970 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 BCDAFC3DA64 for ; Thu, 1 Aug 2024 14:44:37 +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:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+UYzYWF/XOM/68+PxQZ+xeKesY72dInSJEFc03notBo=; b=VJM15Y8QhQqzKk Ds4lbEICGeOPgWhSEIo/loA2AK7G/kEE6kVVaGlLHo1WfM27xpbUGCOmdBkJy6reibBJtfkNFf909 mfgH2oeaz7FnM3eiEROSTmD1jiAhrlhHdwVIK/BSebfxp/nRjJ236lZbkrtckSZyqqGgPIJimylib txBe0VuB1gDH9J0WAdTosoYAdtcbAOjxrimh3JfxcdVDddxpYXp981Jy0BZBoj96Ogd0OcRXguCIQ /3GPdneZxwH0k/bzwu/b9D/vJnZ+yJLyHnWj6jj2HqK0wG9LX8LUipr1Vr7qP35IGRtdTghoW5bIz IRd0RBFhoOVJ2Pp8TuXQ==; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 01/08/2024 07:37, Hui-Ping Chen wrote: > + struct regmap *sysreg; Look here - iomem? No. > +}; > + > +static int ma35_usb_phy_power_on(struct phy *phy) > +{ > + struct ma35_usb_phy *p_phy = phy_get_drvdata(phy); > + unsigned int val; > + int ret; > + > + ret = clk_prepare_enable(p_phy->clk); > + if (ret < 0) { > + dev_err(p_phy->dev, "Failed to enable PHY clock: %d\n", ret); > + return ret; > + } > + > + regmap_read(p_phy->sysreg, MA35_SYS_REG_USBPMISCR, &val); > + if (val & PHY0SUSPEND) { > + /* > + * USB PHY0 is in operation mode already > + * make sure USB PHY 60 MHz UTMI Interface Clock ready > + */ > + ret = readl_poll_timeout((void __iomem *)p_phy->sysreg + MA35_SYS_REG_USBPMISCR, Eh, I responded to v2, not here, so repeating: sysreg is a regmap, not io address. How could it possibly work and be tested?!? This cannot work. Test your code *before* sending it. Best regards, Krzysztof -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy From mboxrd@z Thu Jan 1 00:00:00 1970 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 52E32C3DA64 for ; Thu, 1 Aug 2024 14:44:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; 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Thu, 1 Aug 2024 14:43:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722523442; bh=vDLczcoR7zvANqzru7uWQWeq1kHyRayRzYpbJvCETC8=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=W36W8q5umLgVa9T87tmtG/nbqObvf/3vbXt3SRI8mNfh1bv9GwCZTGZOgNyyALaof 3Fs3N6ZAU95Yi8y6+JNf27EacOqOvnhAgpEQlCaEdnHffI7ZJxrY5Qo/fFLZgIszfQ /NDnK3QXin6+A/xqBeqsYZTSqP2dXa+ZLUt36+5KRs9ibvuT5W4soZPZiTQp9mKszV S+h6HAOtblakv7hd2mX7UaAEwjqA58BHPfboPJSlHIfNqBqQV9+2eE0r8cUZecLjtH R7j1y+GDNDoB7U0q9kLklDdQwd+0TYFkGLtyHuxZeCKzS/sBgQ990HfWmokjwZyv6k RaxKMG/9HjMpA== Message-ID: <85bd5da2-312e-4d25-a4e9-afae4fedbd50@kernel.org> Date: Thu, 1 Aug 2024 16:43:56 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/2] phy: nuvoton: add new driver for the Nuvoton MA35 SoC USB 2.0 PHY To: Hui-Ping Chen , vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20240801053744.807884-1-hpchen0nvt@gmail.com> <20240801053744.807884-3-hpchen0nvt@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240801_074405_391620_AF5D321A X-CRM114-Status: GOOD ( 11.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 01/08/2024 07:37, Hui-Ping Chen wrote: > + struct regmap *sysreg; Look here - iomem? No. > +}; > + > +static int ma35_usb_phy_power_on(struct phy *phy) > +{ > + struct ma35_usb_phy *p_phy = phy_get_drvdata(phy); > + unsigned int val; > + int ret; > + > + ret = clk_prepare_enable(p_phy->clk); > + if (ret < 0) { > + dev_err(p_phy->dev, "Failed to enable PHY clock: %d\n", ret); > + return ret; > + } > + > + regmap_read(p_phy->sysreg, MA35_SYS_REG_USBPMISCR, &val); > + if (val & PHY0SUSPEND) { > + /* > + * USB PHY0 is in operation mode already > + * make sure USB PHY 60 MHz UTMI Interface Clock ready > + */ > + ret = readl_poll_timeout((void __iomem *)p_phy->sysreg + MA35_SYS_REG_USBPMISCR, Eh, I responded to v2, not here, so repeating: sysreg is a regmap, not io address. How could it possibly work and be tested?!? This cannot work. Test your code *before* sending it. Best regards, Krzysztof