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Tue, 18 Feb 2025 11:30:41 -0800 (PST) From: Jerome Brunet Date: Tue, 18 Feb 2025 20:29:48 +0100 Subject: [PATCH v4 3/8] drm/bridge: ti-sn65dsi86: use the auxiliary device MIME-Version: 1.0 Message-Id: <20250218-aux-device-create-helper-v4-3-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=2486; i=jbrunet@baylibre.com; h=from:subject:message-id; bh=KuxNBMyQg1p3DhiqEXTbWghcfYRAG9Z13aki2rWrd7s=; b=owEBbQKS/ZANAwAKAeb8Dxw38tqFAcsmYgBntN/R9RdbIU/LlFZOD+5ye18+mV/JIVvHg59Fc N2QSzq7j3+JAjMEAAEKAB0WIQT04VmuGPP1bV8btxvm/A8cN/LahQUCZ7Tf0QAKCRDm/A8cN/La hRT2D/9/+3m2izVFqHA9JNo66E9ppsPmq0HJSfSk8sVMTrgr6uyqpbKEpE6M6rPkiSX8366n+TD eCRkzB1L3/KYyK0Hb6qwNlKpqho+iKWAdXZV44t38LU4jLxy5upDUo9DvKN6ShNzojjGOTQLiUX 0dP3xRvTlmnWLLr7cA75tOMTQzeMB4gX7ih7W7tsoc/5NyUZdYD1S6cQQMgskakyzZ4OSljy+1B urNGbxB+IGwSOEFGYqdRSUOC/bnk/G0Z8X05CINtg4TtcsyIBYA+vhcXrq8X7AXN+iukU8H7SLE XHUZl1EYgw1vcvyHPr0WaDPa6aP95wEZ8wLfGy/5xrWMdj9GFyWxILnDhvTipioT9+dSCjiwmRt w+sfi529OC67DfLep6PkVbY/1YyDl0NnfnGQjgIywgZ5lzCsOgmUtp3Yk5akbxJGwpC4qMyVH4Z VVqymYHalMIVWz01kgnbtplKww8u2ruISe4cz3VZDGxFEGf4oLHk+Ea9NwfdHyVGrOmjzKg2IPg ADyUwJ+eeALG/5zj8sK1Eo/GJ/P0kNStexXzQl5ui9MPUg8W4MvzbanzCj9sa8P7Hr/MZGIJ8iS ZKQjcj23BRTg2WVCsVgQlo7jSvCh8UYIz+56p2VIel0C3mW7uiq28FLbIqplEtAykScvdKcavs+ l59DWERCtvYZUPg== X-Developer-Key: i=jbrunet@baylibre.com; a=openpgp; fpr=F29F26CF27BAE1A9719AE6BDC3C92AAF3E60AED9 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250218_113044_003429_0F4EA284 X-CRM114-Status: GOOD ( 12.35 ) X-BeenThere: linux-amlogic@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-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org 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. Signed-off-by: Jerome Brunet --- drivers/gpu/drm/bridge/ti-sn65dsi86.c | 49 +++++------------------------------ 1 file changed, 7 insertions(+), 42 deletions(-) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 205bd0fde4f8b3400caa8507092308e50eb172b7..38bd18b14887a27a716c8798f6284649c77a761b 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -457,23 +457,6 @@ static void ti_sn65dsi86_debugfs_init(struct ti_sn65dsi86 *pdata) * Auxiliary Devices (*not* AUX) */ -static void ti_sn65dsi86_uninit_aux(void *data) -{ - auxiliary_device_uninit(data); -} - -static void ti_sn65dsi86_delete_aux(void *data) -{ - auxiliary_device_delete(data); -} - -static void ti_sn65dsi86_aux_device_release(struct device *dev) -{ - struct auxiliary_device *aux = container_of(dev, struct auxiliary_device, dev); - - kfree(aux); -} - static int ti_sn65dsi86_add_aux_device(struct ti_sn65dsi86 *pdata, struct auxiliary_device **aux_out, const char *name) @@ -481,34 +464,16 @@ static int ti_sn65dsi86_add_aux_device(struct ti_sn65dsi86 *pdata, struct device *dev = pdata->dev; const struct i2c_client *client = to_i2c_client(dev); struct auxiliary_device *aux; - int ret; + int id; - aux = kzalloc(sizeof(*aux), GFP_KERNEL); + id = (client->adapter->nr << 10) | client->addr; + aux = __devm_auxiliary_device_create(dev, KBUILD_MODNAME, name, + NULL, id); if (!aux) - return -ENOMEM; - - aux->name = name; - aux->id = (client->adapter->nr << 10) | client->addr; - aux->dev.parent = dev; - aux->dev.release = ti_sn65dsi86_aux_device_release; - device_set_of_node_from_dev(&aux->dev, dev); - ret = auxiliary_device_init(aux); - if (ret) { - kfree(aux); - return ret; - } - ret = devm_add_action_or_reset(dev, ti_sn65dsi86_uninit_aux, aux); - if (ret) - return ret; - - ret = auxiliary_device_add(aux); - if (ret) - return ret; - ret = devm_add_action_or_reset(dev, ti_sn65dsi86_delete_aux, aux); - if (!ret) - *aux_out = aux; + return -ENODEV; - return ret; + *aux_out = aux; + return 0; } /* -----------------------------------------------------------------------------