From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7304E1A57DA; Thu, 1 Aug 2024 14:44:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722523443; cv=none; b=UkuHs40QuSCR+wnTUq9AFcVosSzx+poLYIGDI7QSetVKF5Y+xxWiSpjHCda4PigsqX/J5vewHzzVndqQQ8xjd35J33WmxNjehqfkGkTIUoPKHlOLq8kFJwv+eIVJRSZbLSno3z/5pVau7H85yYJ6+UgIF2OSQGwuVUW6ItEdn54= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722523443; c=relaxed/simple; bh=vDLczcoR7zvANqzru7uWQWeq1kHyRayRzYpbJvCETC8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=EEXRcBqBBxAD5eV3Md09oCxzGEwoB0Ci7baFG/9PRZnARmr4ID0LKTyKoPUG+GuW66ic2da06gLpzmI0mw/EaFcNqdtcoXmrRAOkHAUJ5WgI27ZbqyfrxgUp912YDyH5/W9GpFTTHBSQ74okS1ZyfLPU11noC6stI7Aph2URTLk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W36W8q5u; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="W36W8q5u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 722EBC32786; 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 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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