linux-kernel - [PATCH v2] drivers: pci: Directly use ida

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Message-ID: <20220602071115.3833935-1-liuke94@huawei.com>
Date:   Thu, 2 Jun 2022 07:11:15 +0000
From:   Ke Liu <liuke94@...wei.com>
To:     <bhelgaas@...gle.com>
CC:     <nirmal.patel@...ux.intel.com>, <jonathan.derrick@...ux.dev>,
        <lpieralisi@...nel.org>, <robh@...nel.org>, <kw@...ux.com>,
        <kurt.schwemmer@...rosemi.com>, <logang@...tatee.com>,
        <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Ke Liu <liuke94@...wei.com>
Subject: [PATCH v2] drivers: pci: Directly use ida_alloc()/free()

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

Signed-off-by: Ke Liu <liuke94@...wei.com>
---
v2	fix sign-off name suggest by Bjorn Helgaas
---
 drivers/pci/controller/vmd.c   | 6 +++---
 drivers/pci/switch/switchtec.c | 7 +++----
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
index 94a14a3d7e55..49c72c2d8fe7 100644
--- a/drivers/pci/controller/vmd.c
+++ b/drivers/pci/controller/vmd.c
@@ -894,7 +894,7 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
 		return -ENOMEM;
 
 	vmd->dev = dev;
-	vmd->instance = ida_simple_get(&vmd_instance_ida, 0, 0, GFP_KERNEL);
+	vmd->instance = ida_alloc(&vmd_instance_ida, GFP_KERNEL);
 	if (vmd->instance < 0)
 		return vmd->instance;
 
@@ -935,7 +935,7 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	return 0;
 
  out_release_instance:
-	ida_simple_remove(&vmd_instance_ida, vmd->instance);
+	ida_free(&vmd_instance_ida, vmd->instance);
 	kfree(vmd->name);
 	return err;
 }
@@ -958,7 +958,7 @@ static void vmd_remove(struct pci_dev *dev)
 	vmd_cleanup_srcu(vmd);
 	vmd_detach_resources(vmd);
 	vmd_remove_irq_domain(vmd);
-	ida_simple_remove(&vmd_instance_ida, vmd->instance);
+	ida_free(&vmd_instance_ida, vmd->instance);
 	kfree(vmd->name);
 }
 
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index c36c1238c604..75be4fe22509 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1376,8 +1376,7 @@ static struct switchtec_dev *stdev_create(struct pci_dev *pdev)
 	dev->groups = switchtec_device_groups;
 	dev->release = stdev_release;
 
-	minor = ida_simple_get(&switchtec_minor_ida, 0, 0,
-			       GFP_KERNEL);
+	minor = ida_alloc(&switchtec_minor_ida, GFP_KERNEL);
 	if (minor < 0) {
 		rc = minor;
 		goto err_put;
@@ -1692,7 +1691,7 @@ static int switchtec_pci_probe(struct pci_dev *pdev,
 err_devadd:
 	stdev_kill(stdev);
 err_put:
-	ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt));
+	ida_free(&switchtec_minor_ida, MINOR(stdev->dev.devt));
 	put_device(&stdev->dev);
 	return rc;
 }
@@ -1704,7 +1703,7 @@ static void switchtec_pci_remove(struct pci_dev *pdev)
 	pci_set_drvdata(pdev, NULL);
 
 	cdev_device_del(&stdev->cdev, &stdev->dev);
-	ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt));
+	ida_free(&switchtec_minor_ida, MINOR(stdev->dev.devt));
 	dev_info(&stdev->dev, "unregistered.\n");
 	stdev_kill(stdev);
 	put_device(&stdev->dev);
-- 
2.25.1