linux-kernel - [PATCH] hwmon: Directly use ida

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Date:   Tue, 17 May 2022 02:40:22 +0000
From:   keliu <liuke94@...wei.com>
To:     <jdelvare@...e.com>, <linux@...ck-us.net>,
        <linux-hwmon@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     keliu <liuke94@...wei.com>
Subject: [PATCH] hwmon: Directly use ida_alloc()/free()

Use ida_alloc()/ida_free() instead of deprecated
ida_simple_get()/ida_simple_remove() .

Signed-off-by: keliu <liuke94@...wei.com>
---
 drivers/hwmon/hwmon.c  |  6 +++---
 drivers/hwmon/ibmaem.c | 10 +++++-----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 22de7a9e7ba7..2e2cd79d89eb 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -764,7 +764,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
 			 "hwmon: '%s' is not a valid name attribute, please fix\n",
 			 name);
 
-	id = ida_simple_get(&hwmon_ida, 0, 0, GFP_KERNEL);
+	id = ida_alloc(&hwmon_ida, GFP_KERNEL);
 	if (id < 0)
 		return ERR_PTR(id);
 
@@ -856,7 +856,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
 free_hwmon:
 	hwmon_dev_release(hdev);
 ida_remove:
-	ida_simple_remove(&hwmon_ida, id);
+	ida_free(&hwmon_ida, id);
 	return ERR_PTR(err);
 }
 
@@ -968,7 +968,7 @@ void hwmon_device_unregister(struct device *dev)
 
 	if (likely(sscanf(dev_name(dev), HWMON_ID_FORMAT, &id) == 1)) {
 		device_unregister(dev);
-		ida_simple_remove(&hwmon_ida, id);
+		ida_free(&hwmon_ida, id);
 	} else
 		dev_dbg(dev->parent,
 			"hwmon_device_unregister() failed: bad class ID!\n");
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index de6baf6ca3d1..5c4cf742f5ae 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -482,7 +482,7 @@ static void aem_delete(struct aem_data *data)
 	ipmi_destroy_user(data->ipmi.user);
 	platform_set_drvdata(data->pdev, NULL);
 	platform_device_unregister(data->pdev);
-	ida_simple_remove(&aem_ida, data->id);
+	ida_free(&aem_ida, data->id);
 	kfree(data);
 }
 
@@ -539,7 +539,7 @@ static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle)
 		data->power_period[i] = AEM_DEFAULT_POWER_INTERVAL;
 
 	/* Create sub-device for this fw instance */
-	data->id = ida_simple_get(&aem_ida, 0, 0, GFP_KERNEL);
+	data->id = ida_alloc(&aem_ida, GFP_KERNEL);
 	if (data->id < 0)
 		goto id_err;
 
@@ -600,7 +600,7 @@ static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle)
 	platform_set_drvdata(data->pdev, NULL);
 	platform_device_unregister(data->pdev);
 dev_err:
-	ida_simple_remove(&aem_ida, data->id);
+	ida_free(&aem_ida, data->id);
 id_err:
 	kfree(data);
 
@@ -679,7 +679,7 @@ static int aem_init_aem2_inst(struct aem_ipmi_data *probe,
 		data->power_period[i] = AEM_DEFAULT_POWER_INTERVAL;
 
 	/* Create sub-device for this fw instance */
-	data->id = ida_simple_get(&aem_ida, 0, 0, GFP_KERNEL);
+	data->id = ida_alloc(&aem_ida, GFP_KERNEL);
 	if (data->id < 0)
 		goto id_err;
 
@@ -740,7 +740,7 @@ static int aem_init_aem2_inst(struct aem_ipmi_data *probe,
 	platform_set_drvdata(data->pdev, NULL);
 	platform_device_unregister(data->pdev);
 dev_err:
-	ida_simple_remove(&aem_ida, data->id);
+	ida_free(&aem_ida, data->id);
 id_err:
 	kfree(data);
 
-- 
2.25.1