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Tue, 18 Feb 2025 11:30:47 -0800 (PST) Received: from toaster.baylibre.com ([2a01:e0a:3c5:5fb1:cbaf:af0:839d:fb4a]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-5dece1c3ce5sm9338985a12.17.2025.02.18.11.30.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Feb 2025 11:30:46 -0800 (PST) From: Jerome Brunet Date: Tue, 18 Feb 2025 20:29:50 +0100 Subject: [PATCH v4 5/8] clk: eyeq: use the auxiliary device creation helper Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250218-aux-device-create-helper-v4-5-c3d7dfdea2e6@baylibre.com> References: <20250218-aux-device-create-helper-v4-0-c3d7dfdea2e6@baylibre.com> In-Reply-To: <20250218-aux-device-create-helper-v4-0-c3d7dfdea2e6@baylibre.com> To: Greg Kroah-Hartman , Dave Ertman , Ira Weiny , "Rafael J. Wysocki" , Stephen Boyd , Arnd Bergmann , Danilo Krummrich , Conor Dooley , Daire McNamara , Philipp Zabel , Douglas Anderson , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Vladimir Kondratiev , Gregory CLEMENT , =?utf-8?q?Th=C3=A9o_Lebrun?= , Michael Turquette , Abel Vesa , Peng Fan , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Kevin Hilman , Martin Blumenstingl Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, linux-mips@vger.kernel.org, linux-clk@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, Jerome Brunet X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3080; i=jbrunet@baylibre.com; h=from:subject:message-id; bh=911xKOJApKviZC+11zfPOxyXIb2TukqSX6c3EVx5nkQ=; b=owEBbQKS/ZANAwAKAeb8Dxw38tqFAcsmYgBntN/TCjdli34EttLxXtExpNQaPhDVC9bRlZCzA Z9Pj+ToqrKJAjMEAAEKAB0WIQT04VmuGPP1bV8btxvm/A8cN/LahQUCZ7Tf0wAKCRDm/A8cN/La halfD/4t/Q1MfjlL6VZuSiHTSQPRAa2QAwtLrhbOZWIEknOslrn3QFObs5s6ZPqryvP12HbeHpB ZqtOFjUqe/ieQB3ITOsZJaewTPwytAAIwK3CgywZ6JOUxa+9g7HGTKvG3uOOJmkRIffzZmr3L8R NZ5pFyDvvdDjI5pECZrNMk4VPJkwSAIgH5iZfiqrRun1haUOJoglpQY8Y8EADKhayv8tRAynR4l qDsiwIJrdtBE25fKHWyOZDOE8tpQxMsEt2TrH5ebbZtAEtr/gH6YfiiTUbuz37DxeauQ6mj6ehD XTEhxGJYCgV8aSKkCalZcuRKharsqxXA2evtvPHKpQvKOyIZ8EgbBeEOQ7dOeXKjzhWOM5XtsqE aMUycH4kRdaTgn4jHRICD4dLzYS3dXyYx3r7rGFlO7duZ/8KxdlzdluJ5loozQhR7O5ANEzTyHJ oRWP1Otit21XBW620IoAkxL8DF+P4i2UVjNzAOmtxgzut6dBQb1gzAm06Dpb4EJtFyAnO8mdI/H TIGsc8Ti47aBOluK+kO9s5wUA2fZ3WFLXDsN2BGvN4+teT6is420M3bHdw3I0/vCDlh1nH3plyg XifkLcQIVqvbW2dYXxE/b7rFiZ7Tza9okUXIhyKDFxmZAvQJKCF+0Z0Tgq8zioD1LftOLwSybaY ndwZJujpyaFfb8g== X-Developer-Key: i=jbrunet@baylibre.com; a=openpgp; fpr=F29F26CF27BAE1A9719AE6BDC3C92AAF3E60AED9 The auxiliary device creation of this driver is simple enough to use the available auxiliary device creation helper. Use it and remove some boilerplate code. Tested-by: Théo Lebrun # On Mobileye EyeQ5 Signed-off-by: Jerome Brunet --- drivers/clk/clk-eyeq.c | 57 +++++++++++--------------------------------------- 1 file changed, 12 insertions(+), 45 deletions(-) diff --git a/drivers/clk/clk-eyeq.c b/drivers/clk/clk-eyeq.c index 640c25788487f8cf6fb4431ed6fb612cf099f114..4094f34af05b488545cc87043fb3352968515a78 100644 --- a/drivers/clk/clk-eyeq.c +++ b/drivers/clk/clk-eyeq.c @@ -322,38 +322,18 @@ static void eqc_probe_init_fixed_factors(struct device *dev, } } -static void eqc_auxdev_release(struct device *dev) -{ - struct auxiliary_device *adev = to_auxiliary_dev(dev); - - kfree(adev); -} - -static int eqc_auxdev_create(struct device *dev, void __iomem *base, - const char *name, u32 id) +static void eqc_auxdev_create_optional(struct device *dev, void __iomem *base, + const char *name) { struct auxiliary_device *adev; - int ret; - - adev = kzalloc(sizeof(*adev), GFP_KERNEL); - if (!adev) - return -ENOMEM; - - adev->name = name; - adev->dev.parent = dev; - adev->dev.platform_data = (void __force *)base; - adev->dev.release = eqc_auxdev_release; - adev->id = id; - ret = auxiliary_device_init(adev); - if (ret) - return ret; - - ret = auxiliary_device_add(adev); - if (ret) - auxiliary_device_uninit(adev); - - return ret; + if (name) { + adev = devm_auxiliary_device_create(dev, name, + (void __force *)base); + if (!adev) + dev_warn(dev, "failed creating auxiliary device %s.%s\n", + KBUILD_MODNAME, name); + } } static int eqc_probe(struct platform_device *pdev) @@ -365,7 +345,6 @@ static int eqc_probe(struct platform_device *pdev) unsigned int i, clk_count; struct resource *res; void __iomem *base; - int ret; data = device_get_match_data(dev); if (!data) @@ -379,21 +358,9 @@ static int eqc_probe(struct platform_device *pdev) if (!base) return -ENOMEM; - /* Init optional reset auxiliary device. */ - if (data->reset_auxdev_name) { - ret = eqc_auxdev_create(dev, base, data->reset_auxdev_name, 0); - if (ret) - dev_warn(dev, "failed creating auxiliary device %s.%s: %d\n", - KBUILD_MODNAME, data->reset_auxdev_name, ret); - } - - /* Init optional pinctrl auxiliary device. */ - if (data->pinctrl_auxdev_name) { - ret = eqc_auxdev_create(dev, base, data->pinctrl_auxdev_name, 0); - if (ret) - dev_warn(dev, "failed creating auxiliary device %s.%s: %d\n", - KBUILD_MODNAME, data->pinctrl_auxdev_name, ret); - } + /* Init optional auxiliary devices. */ + eqc_auxdev_create_optional(dev, base, data->reset_auxdev_name); + eqc_auxdev_create_optional(dev, base, data->pinctrl_auxdev_name); if (data->pll_count + data->div_count + data->fixed_factor_count == 0) return 0; /* Zero clocks, we are done. */