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[79.139.233.37]) by smtp.gmail.com with ESMTPSA id m13sm3270901lfo.40.2019.12.19.17.56.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Dec 2019 17:56:14 -0800 (PST) From: Dmitry Osipenko To: Rob Herring , Greg Kroah-Hartman , Peter Chen , Thierry Reding , Jonathan Hunter , Felipe Balbi Cc: devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 10/10] usb: chipidea: tegra: Add USB_TEGRA_PHY module to driver's dependencies Date: Fri, 20 Dec 2019 04:52:38 +0300 Message-Id: <20191220015238.9228-11-digetx@gmail.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191220015238.9228-1-digetx@gmail.com> References: <20191220015238.9228-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Now, when ci_hdrc_tegra kernel module is loaded, the phy_tegra_usb module is loaded too regardless of kernel's configuration. Previously this problem was masked because Tegra's EHCI driver is usually enabled in kernel's config and thus PHY driver was getting loaded because of it, but now I was making some more thorough testing and noticed that PHY's module isn't getting auto-loaded without the host driver. Note that ChipIdea's driver doesn't use any of the exported functions of phy_tegra_usb module and thus the module needs to be requested explicitly. Signed-off-by: Dmitry Osipenko --- drivers/usb/chipidea/Kconfig | 1 + drivers/usb/chipidea/ci_hdrc_tegra.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index ae850b3fddf2..d53db520e209 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -7,6 +7,7 @@ config USB_CHIPIDEA select RESET_CONTROLLER select USB_ULPI_BUS select USB_ROLE_SWITCH + select USB_TEGRA_PHY if ARCH_TEGRA help Say Y here if your system has a dual role high speed USB controller based on ChipIdea silicon IP. It supports: diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c index 7455df0ede49..8bc11100245d 100644 --- a/drivers/usb/chipidea/ci_hdrc_tegra.c +++ b/drivers/usb/chipidea/ci_hdrc_tegra.c @@ -53,6 +53,12 @@ static int tegra_udc_probe(struct platform_device *pdev) struct tegra_udc *udc; int err; + if (IS_MODULE(CONFIG_USB_TEGRA_PHY)) { + err = request_module("phy_tegra_usb"); + if (err) + return err; + } + udc = devm_kzalloc(&pdev->dev, sizeof(*udc), GFP_KERNEL); if (!udc) return -ENOMEM; -- 2.24.0