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Signed-off-by: Florin Leotescu --- .../bindings/hwmon/microchip,emc2305.yaml | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml new file mode 100644 index 000000000000..cac0075a65bb --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/microchip,emc2305.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip EMC2305 SMBus compliant PWM fan controller + +maintainers: + - Michael Shych + +description: | + Microchip EMC2301/2/3/5 pwm controller which supports up + to five programmable fan control circuits + +properties: + compatible: + enum: + - microchip,emc2301 + - microchip,emc2302 + - microchip,emc2303 + - microchip,emc2305 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + emc2301: pwm@2f { + compatible = "microchip,emc2301"; + reg = <0x2f>; + }; + }; From patchwork Tue Mar 4 16:21:35 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Florin Leotescu (OSS)" X-Patchwork-Id: 14001218 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D8016C282D2 for ; Tue, 4 Mar 2025 17:47:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Message-Id:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; 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Signed-off-by: Florin Leotescu Reviewed-by: Frank Li --- drivers/hwmon/emc2305.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c index 4d39fbd83769..a236f27c75bc 100644 --- a/drivers/hwmon/emc2305.c +++ b/drivers/hwmon/emc2305.c @@ -607,9 +607,19 @@ static void emc2305_remove(struct i2c_client *client) emc2305_unset_tz(dev); } +static const struct of_device_id of_emc2305_match_table[] = { + { .compatible = "microchip,emc2301", }, + { .compatible = "microchip,emc2302", }, + { .compatible = "microchip,emc2303", }, + { .compatible = "microchip,emc2305", }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_emc2305_match_table); + static struct i2c_driver emc2305_driver = { .driver = { .name = "emc2305", + .of_match_table = of_emc2305_match_table, }, .probe = emc2305_probe, .remove = emc2305_remove, From patchwork Tue Mar 4 16:21:36 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Florin Leotescu (OSS)" X-Patchwork-Id: 14001219 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EB0E2C021B8 for ; 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Using devm_thermal_of_cooling_device_register also simplifies cleanup procedure, so we are able to remove the emc2305_unset_tz and emc2305_remove functions which are no longer used. Signed-off-by: Florin Leotescu Reviewed-by: Frank Li --- drivers/hwmon/emc2305.c | 28 +++------------------------- 1 file changed, 3 insertions(+), 25 deletions(-) diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c index a236f27c75bc..5f3f06308826 100644 --- a/drivers/hwmon/emc2305.c +++ b/drivers/hwmon/emc2305.c @@ -112,8 +112,6 @@ static char *emc2305_fan_name[] = { "emc2305_fan5", }; -static void emc2305_unset_tz(struct device *dev); - static int emc2305_get_max_channel(const struct emc2305_data *data) { return data->pwm_num; @@ -293,8 +291,9 @@ static int emc2305_set_single_tz(struct device *dev, int idx) pwm = data->pwm_min[cdev_idx]; data->cdev_data[cdev_idx].cdev = - thermal_cooling_device_register(emc2305_fan_name[idx], data, - &emc2305_cooling_ops); + devm_thermal_of_cooling_device_register(dev, dev->of_node, + emc2305_fan_name[idx], data, + &emc2305_cooling_ops); if (IS_ERR(data->cdev_data[cdev_idx].cdev)) { dev_err(dev, "Failed to register cooling device %s\n", emc2305_fan_name[idx]); @@ -337,21 +336,9 @@ static int emc2305_set_tz(struct device *dev) return 0; thermal_cooling_device_register_fail: - emc2305_unset_tz(dev); return ret; } -static void emc2305_unset_tz(struct device *dev) -{ - struct emc2305_data *data = dev_get_drvdata(dev); - int i; - - /* Unregister cooling device. */ - for (i = 0; i < EMC2305_PWM_MAX; i++) - if (data->cdev_data[i].cdev) - thermal_cooling_device_unregister(data->cdev_data[i].cdev); -} - static umode_t emc2305_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { @@ -599,14 +586,6 @@ static int emc2305_probe(struct i2c_client *client) return 0; } -static void emc2305_remove(struct i2c_client *client) -{ - struct device *dev = &client->dev; - - if (IS_REACHABLE(CONFIG_THERMAL)) - emc2305_unset_tz(dev); -} - static const struct of_device_id of_emc2305_match_table[] = { { .compatible = "microchip,emc2301", }, { .compatible = "microchip,emc2302", }, @@ -622,7 +601,6 @@ static struct i2c_driver emc2305_driver = { .of_match_table = of_emc2305_match_table, }, .probe = emc2305_probe, - .remove = emc2305_remove, .id_table = emc2305_ids, };