modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/infiniband/hw/hfi1/sysfs.c
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@@ -494,20 +494,21 @@
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  * Start of per-unit (or driver, in some cases, but replicated
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  * per unit) functions (these get a device *)
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  */
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-static ssize_t show_rev(struct device *device, struct device_attribute *attr,
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-			char *buf)
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+static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr,
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+			   char *buf)
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 {
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 	struct hfi1_ibdev *dev =
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-		container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
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+		rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
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 	return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev);
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 }
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+static DEVICE_ATTR_RO(hw_rev);
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-static ssize_t show_hfi(struct device *device, 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 hfi1_ibdev *dev =
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-		container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
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+		rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
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 	struct hfi1_devdata *dd = dd_from_dev(dev);
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 	int ret;
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@@ -517,23 +518,25 @@
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 		ret = scnprintf(buf, PAGE_SIZE, "%s\n", dd->boardname);
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 	return ret;
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 }
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+static DEVICE_ATTR_RO(board_id);
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-static ssize_t show_boardversion(struct device *device,
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+static ssize_t boardversion_show(struct device *device,
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 				 struct device_attribute *attr, char *buf)
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 {
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 	struct hfi1_ibdev *dev =
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-		container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
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+		rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
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 	struct hfi1_devdata *dd = dd_from_dev(dev);
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 	/* The string printed here is already newline-terminated. */
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 	return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion);
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 }
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+static DEVICE_ATTR_RO(boardversion);
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-static ssize_t show_nctxts(struct device *device,
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+static ssize_t nctxts_show(struct device *device,
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 			   struct device_attribute *attr, char *buf)
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 {
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 	struct hfi1_ibdev *dev =
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-		container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
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+		rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
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 	struct hfi1_devdata *dd = dd_from_dev(dev);
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541
 
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 	/*
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@@ -546,34 +549,37 @@
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 			 min(dd->num_user_contexts,
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 			     (u32)dd->sc_sizes[SC_USER].count));
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 }
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+static DEVICE_ATTR_RO(nctxts);
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-static ssize_t show_nfreectxts(struct device *device,
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+static ssize_t nfreectxts_show(struct device *device,
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 			       struct device_attribute *attr, char *buf)
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 {
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 	struct hfi1_ibdev *dev =
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-		container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
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+		rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
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 	struct hfi1_devdata *dd = dd_from_dev(dev);
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 	/* Return the number of free user ports (contexts) available. */
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 	return scnprintf(buf, PAGE_SIZE, "%u\n", dd->freectxts);
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 }
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+static DEVICE_ATTR_RO(nfreectxts);
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-static ssize_t show_serial(struct device *device,
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+static ssize_t serial_show(struct device *device,
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 			   struct device_attribute *attr, char *buf)
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 {
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 	struct hfi1_ibdev *dev =
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-		container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
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+		rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
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 	struct hfi1_devdata *dd = dd_from_dev(dev);
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 	return scnprintf(buf, PAGE_SIZE, "%s", dd->serial);
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 }
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+static DEVICE_ATTR_RO(serial);
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-static ssize_t store_chip_reset(struct device *device,
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+static ssize_t chip_reset_store(struct device *device,
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 				struct device_attribute *attr, const char *buf,
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 				size_t count)
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 {
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 	struct hfi1_ibdev *dev =
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-		container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
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+		rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
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 	struct hfi1_devdata *dd = dd_from_dev(dev);
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 	int ret;
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@@ -586,6 +592,7 @@
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 bail:
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 	return ret < 0 ? ret : count;
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 }
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+static DEVICE_ATTR_WO(chip_reset);
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 /*
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  * Convert the reported temperature from an integer (reported in
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@@ -598,11 +605,11 @@
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 /*
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  * Dump tempsense values, in decimal, to ease shell-scripts.
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  */
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-static ssize_t show_tempsense(struct device *device,
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+static ssize_t tempsense_show(struct device *device,
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 			      struct device_attribute *attr, char *buf)
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 {
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 	struct hfi1_ibdev *dev =
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-		container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
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+		rdma_device_to_drv_device(device, struct hfi1_ibdev, rdi.ibdev);
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 	struct hfi1_devdata *dd = dd_from_dev(dev);
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 	struct hfi1_temp temp;
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 	int ret;
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@@ -622,6 +629,7 @@
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 	}
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 	return ret;
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 }
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+static DEVICE_ATTR_RO(tempsense);
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 /*
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  * end of per-unit (or driver, in some cases, but replicated
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@@ -629,24 +637,20 @@
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  */
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 /* start of per-unit file structures and support code */
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-static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
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-static DEVICE_ATTR(board_id, S_IRUGO, show_hfi, NULL);
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-static DEVICE_ATTR(nctxts, S_IRUGO, show_nctxts, NULL);
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-static DEVICE_ATTR(nfreectxts, S_IRUGO, show_nfreectxts, NULL);
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-static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL);
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-static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL);
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-static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL);
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-static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset);
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+static struct attribute *hfi1_attributes[] = {
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+	&dev_attr_hw_rev.attr,
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+	&dev_attr_board_id.attr,
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+	&dev_attr_nctxts.attr,
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+	&dev_attr_nfreectxts.attr,
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+	&dev_attr_serial.attr,
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+	&dev_attr_boardversion.attr,
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+	&dev_attr_tempsense.attr,
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+	&dev_attr_chip_reset.attr,
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+	NULL,
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+};
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-static struct device_attribute *hfi1_attributes[] = {
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-	&dev_attr_hw_rev,
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-	&dev_attr_board_id,
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-	&dev_attr_nctxts,
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-	&dev_attr_nfreectxts,
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-	&dev_attr_serial,
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-	&dev_attr_boardversion,
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-	&dev_attr_tempsense,
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-	&dev_attr_chip_reset,
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+const struct attribute_group ib_hfi1_attr_group = {
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+	.attrs = hfi1_attributes,
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 };
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 int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num,
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@@ -835,12 +839,6 @@
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 	struct device *class_dev = &dev->dev;
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 	int i, j, ret;
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-	for (i = 0; i < ARRAY_SIZE(hfi1_attributes); ++i) {
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-		ret = device_create_file(&dev->dev, hfi1_attributes[i]);
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-		if (ret)
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-			goto bail;
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-	}
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-
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 	for (i = 0; i < dd->num_sdma; i++) {
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 		ret = kobject_init_and_add(&dd->per_sdma[i].kobj,
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 					   &sde_ktype, &class_dev->kobj,
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@@ -858,9 +856,6 @@
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 	return 0;
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 bail:
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-	for (i = 0; i < ARRAY_SIZE(hfi1_attributes); ++i)
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-		device_remove_file(&dev->dev, hfi1_attributes[i]);
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-
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 	/*
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 	 * The function kobject_put() will call kobject_del() if the kobject
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 	 * has been added successfully. The sysfs files created under the