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Tue, 18 Feb 2025 11:30:38 -0800 (PST) Received: from toaster.baylibre.com ([2a01:e0a:3c5:5fb1:cbaf:af0:839d:fb4a]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-5dece1c3ce5sm9338985a12.17.2025.02.18.11.30.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Feb 2025 11:30:37 -0800 (PST) From: Jerome Brunet Date: Tue, 18 Feb 2025 20:29:47 +0100 Subject: [PATCH v4 2/8] reset: mpfs: use the auxiliary device creation Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250218-aux-device-create-helper-v4-2-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=2301; i=jbrunet@baylibre.com; h=from:subject:message-id; bh=lC4JGAW79Gffs1TQMyzi5K8iGZRUrc3LT4D+fKp54fk=; b=owEBbQKS/ZANAwAKAeb8Dxw38tqFAcsmYgBntN/QcUQEhOWVZzyl8Bk6xzmnH//yZHJXSRo9/ qRN2pMyjUyJAjMEAAEKAB0WIQT04VmuGPP1bV8btxvm/A8cN/LahQUCZ7Tf0AAKCRDm/A8cN/La hWnTD/9N7uDw2MgUMxhgsAUT5/+278puGBABcsLjbLLras1TheSQNvuJ2k6CxLv1JzCY2D66v4g 1IZyaW6xKXiWnXsDJvRMfcjRdcEROcGnF3UC4ySSisSHu/ZQztXxFB+ZWe/fkAj0Yr8I5rv9jdi CVlbgdypg0F/xyy31QioTBrNDzru3kX+AZPogf8//n1HoaxOA5nRQAU+AMJDDJE4Tu3ZuwXujs8 eHY+xCL7EVf2v0LnCxVtOkWdzWc1WD/1f83AvRqQh8zo/ADR5A8bcX432Ca2efhXfpTiJtTGV3C nkRAlV3jUon29+Atl1cui8KDavDFHk/+0IIwCMvrCreR+4YHxT4f+w2ay7hyiJ93zHmOpeBNwlD nsa+oMRZdeU6vHD2y2GJHX7m9CSFp1E8zmd2evt/+ZCvVMPhdfGJInOpC0HIWUKb46a8NeJxWly 0eI7MOS4MfFJow59r73kkCyYHBPv3mfqUg+oCigQGJHFaP5irNw8C9yO4xX7Rabili/pwsYyI7G JTcCo+pvGbCJ2MnXqS0x6JpyZ/ZFrneZmwpN5fi3gPKSYljCbeXbCHd8pjuzg/Gu0I9u//RPWWo ufdtuzliUyzrzCu0/+O2KjwjCQuyA3XbhhDaA6uUq+TsSZbwdcJ6nKs4JMfwO9I4wruQJBQ8Dxc 0NFwBr/IpdOtN0g== 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. Acked-by: Conor Dooley Signed-off-by: Jerome Brunet Reviewed-by: Philipp Zabel --- drivers/reset/reset-mpfs.c | 56 +++++----------------------------------------- 1 file changed, 5 insertions(+), 51 deletions(-) diff --git a/drivers/reset/reset-mpfs.c b/drivers/reset/reset-mpfs.c index 574e59db83a4fcf30b60cb5f638607a2ec7b0580..f6fa10e03ea889e5434110156f7bece808a6ae92 100644 --- a/drivers/reset/reset-mpfs.c +++ b/drivers/reset/reset-mpfs.c @@ -155,62 +155,16 @@ static int mpfs_reset_probe(struct auxiliary_device *adev, return devm_reset_controller_register(dev, rcdev); } -static void mpfs_reset_unregister_adev(void *_adev) -{ - struct auxiliary_device *adev = _adev; - - auxiliary_device_delete(adev); - auxiliary_device_uninit(adev); -} - -static void mpfs_reset_adev_release(struct device *dev) -{ - struct auxiliary_device *adev = to_auxiliary_dev(dev); - - kfree(adev); -} - -static struct auxiliary_device *mpfs_reset_adev_alloc(struct device *clk_dev) -{ - struct auxiliary_device *adev; - int ret; - - adev = kzalloc(sizeof(*adev), GFP_KERNEL); - if (!adev) - return ERR_PTR(-ENOMEM); - - adev->name = "reset-mpfs"; - adev->dev.parent = clk_dev; - adev->dev.release = mpfs_reset_adev_release; - adev->id = 666u; - - ret = auxiliary_device_init(adev); - if (ret) { - kfree(adev); - return ERR_PTR(ret); - } - - return adev; -} - int mpfs_reset_controller_register(struct device *clk_dev, void __iomem *base) { struct auxiliary_device *adev; - int ret; - adev = mpfs_reset_adev_alloc(clk_dev); - if (IS_ERR(adev)) - return PTR_ERR(adev); - - ret = auxiliary_device_add(adev); - if (ret) { - auxiliary_device_uninit(adev); - return ret; - } - - adev->dev.platform_data = (__force void *)base; + adev = devm_auxiliary_device_create(clk_dev, "reset-mpfs", + (__force void *)base); + if (!adev) + return -ENODEV; - return devm_add_action_or_reset(clk_dev, mpfs_reset_unregister_adev, adev); + return 0; } EXPORT_SYMBOL_NS_GPL(mpfs_reset_controller_register, "MCHP_CLK_MPFS");