modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c
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@@ -46,12 +46,11 @@
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 #include "usnic_ib_sysfs.h"
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 #include "usnic_log.h"
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-static ssize_t usnic_ib_show_board(struct device *device,
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-					struct device_attribute *attr,
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-					char *buf)
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+static ssize_t board_id_show(struct device *device,
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+			     struct device_attribute *attr, char *buf)
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 {
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 	struct usnic_ib_dev *us_ibdev =
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-		container_of(device, struct usnic_ib_dev, ib_dev.dev);
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+		rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
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 	unsigned short subsystem_device_id;
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55
 
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 	mutex_lock(&us_ibdev->usdev_lock);
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@@ -60,21 +59,20 @@
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 	return scnprintf(buf, PAGE_SIZE, "%hu\n", subsystem_device_id);
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 }
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+static DEVICE_ATTR_RO(board_id);
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 /*
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  * Report the configuration for this PF
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  */
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 static ssize_t
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-usnic_ib_show_config(struct device *device, struct device_attribute *attr,
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-			char *buf)
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+config_show(struct device *device, struct device_attribute *attr, char *buf)
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 {
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-	struct usnic_ib_dev *us_ibdev;
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+	struct usnic_ib_dev *us_ibdev =
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+		rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
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 	char *ptr;
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 	unsigned left;
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 	unsigned n;
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 	enum usnic_vnic_res_type res_type;
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-
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-	us_ibdev = container_of(device, struct usnic_ib_dev, ib_dev.dev);
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 	/* Buffer space limit is 1 page */
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 	ptr = buf;
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@@ -94,7 +92,7 @@
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 		n = scnprintf(ptr, left,
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 			"%s: %s:%d.%d, %s, %pM, %u VFs\n Per VF:",
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-			us_ibdev->ib_dev.name,
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+			dev_name(&us_ibdev->ib_dev.dev),
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 			busname,
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 			PCI_SLOT(us_ibdev->pdev->devfn),
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 			PCI_FUNC(us_ibdev->pdev->devfn),
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@@ -119,79 +117,75 @@
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 		UPDATE_PTR_LEFT(n, ptr, left);
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 	} else {
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 		n = scnprintf(ptr, left, "%s: no VFs\n",
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-				us_ibdev->ib_dev.name);
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+				dev_name(&us_ibdev->ib_dev.dev));
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 		UPDATE_PTR_LEFT(n, ptr, left);
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 	}
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 	mutex_unlock(&us_ibdev->usdev_lock);
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 	return ptr - buf;
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 }
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+static DEVICE_ATTR_RO(config);
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 static ssize_t
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-usnic_ib_show_iface(struct device *device, struct device_attribute *attr,
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-			char *buf)
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+iface_show(struct device *device, struct device_attribute *attr, char *buf)
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 {
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-	struct usnic_ib_dev *us_ibdev;
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-
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-	us_ibdev = container_of(device, struct usnic_ib_dev, ib_dev.dev);
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+	struct usnic_ib_dev *us_ibdev =
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+		rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
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 	return scnprintf(buf, PAGE_SIZE, "%s\n",
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 			netdev_name(us_ibdev->netdev));
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 }
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+static DEVICE_ATTR_RO(iface);
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 static ssize_t
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-usnic_ib_show_max_vf(struct device *device, struct device_attribute *attr,
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-			char *buf)
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+max_vf_show(struct device *device, struct device_attribute *attr, char *buf)
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 {
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-	struct usnic_ib_dev *us_ibdev;
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-
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-	us_ibdev = container_of(device, struct usnic_ib_dev, ib_dev.dev);
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+	struct usnic_ib_dev *us_ibdev =
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+		rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
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 	return scnprintf(buf, PAGE_SIZE, "%u\n",
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 			kref_read(&us_ibdev->vf_cnt));
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 }
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+static DEVICE_ATTR_RO(max_vf);
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 static ssize_t
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-usnic_ib_show_qp_per_vf(struct device *device, struct device_attribute *attr,
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-			char *buf)
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+qp_per_vf_show(struct device *device, struct device_attribute *attr, char *buf)
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 {
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-	struct usnic_ib_dev *us_ibdev;
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+	struct usnic_ib_dev *us_ibdev =
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+		rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
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 	int qp_per_vf;
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-	us_ibdev = container_of(device, struct usnic_ib_dev, ib_dev.dev);
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 	qp_per_vf = max(us_ibdev->vf_res_cnt[USNIC_VNIC_RES_TYPE_WQ],
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 			us_ibdev->vf_res_cnt[USNIC_VNIC_RES_TYPE_RQ]);
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 	return scnprintf(buf, PAGE_SIZE,
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 				"%d\n", qp_per_vf);
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 }
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+static DEVICE_ATTR_RO(qp_per_vf);
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 static ssize_t
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-usnic_ib_show_cq_per_vf(struct device *device, struct device_attribute *attr,
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-			char *buf)
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+cq_per_vf_show(struct device *device, struct device_attribute *attr, char *buf)
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 {
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-	struct usnic_ib_dev *us_ibdev;
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-
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-	us_ibdev = container_of(device, struct usnic_ib_dev, ib_dev.dev);
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+	struct usnic_ib_dev *us_ibdev =
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+		rdma_device_to_drv_device(device, struct usnic_ib_dev, ib_dev);
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 	return scnprintf(buf, PAGE_SIZE, "%d\n",
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 			us_ibdev->vf_res_cnt[USNIC_VNIC_RES_TYPE_CQ]);
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 }
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+static DEVICE_ATTR_RO(cq_per_vf);
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-static DEVICE_ATTR(board_id, S_IRUGO, usnic_ib_show_board, NULL);
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-static DEVICE_ATTR(config, S_IRUGO, usnic_ib_show_config, NULL);
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-static DEVICE_ATTR(iface, S_IRUGO, usnic_ib_show_iface, NULL);
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-static DEVICE_ATTR(max_vf, S_IRUGO, usnic_ib_show_max_vf, NULL);
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-static DEVICE_ATTR(qp_per_vf, S_IRUGO, usnic_ib_show_qp_per_vf, NULL);
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-static DEVICE_ATTR(cq_per_vf, S_IRUGO, usnic_ib_show_cq_per_vf, NULL);
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+static struct attribute *usnic_class_attributes[] = {
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+	&dev_attr_board_id.attr,
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+	&dev_attr_config.attr,
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+	&dev_attr_iface.attr,
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+	&dev_attr_max_vf.attr,
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+	&dev_attr_qp_per_vf.attr,
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+	&dev_attr_cq_per_vf.attr,
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+	NULL
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+};
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-static struct device_attribute *usnic_class_attributes[] = {
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-	&dev_attr_board_id,
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-	&dev_attr_config,
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-	&dev_attr_iface,
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-	&dev_attr_max_vf,
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-	&dev_attr_qp_per_vf,
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-	&dev_attr_cq_per_vf,
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+const struct attribute_group usnic_attr_group = {
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+	.attrs = usnic_class_attributes,
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 };
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 struct qpn_attribute {
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@@ -278,18 +272,6 @@
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 int usnic_ib_sysfs_register_usdev(struct usnic_ib_dev *us_ibdev)
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 {
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-	int i;
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-	int err;
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-	for (i = 0; i < ARRAY_SIZE(usnic_class_attributes); ++i) {
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-		err = device_create_file(&us_ibdev->ib_dev.dev,
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-						usnic_class_attributes[i]);
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-		if (err) {
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-			usnic_err("Failed to create device file %d for %s eith err %d",
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-				i, us_ibdev->ib_dev.name, err);
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-			return -EINVAL;
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-		}
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-	}
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-
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 	/* create kernel object for looking at individual QPs */
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 	kobject_get(&us_ibdev->ib_dev.dev.kobj);
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 	us_ibdev->qpn_kobj = kobject_create_and_add("qpn",
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@@ -304,12 +286,6 @@
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 void usnic_ib_sysfs_unregister_usdev(struct usnic_ib_dev *us_ibdev)
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 {
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-	int i;
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-	for (i = 0; i < ARRAY_SIZE(usnic_class_attributes); ++i) {
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-		device_remove_file(&us_ibdev->ib_dev.dev,
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-					usnic_class_attributes[i]);
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-	}
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-
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 	kobject_put(us_ibdev->qpn_kobj);
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 }
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