add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/misc/cxl/flash.c
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@@ -92,8 +92,8 @@
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 	val = (u32 *)new_prop->value;
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 	rc = cxl_update_properties(dn, new_prop);
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-	pr_devel("%s: update property (%s, length: %i, value: %#x)\n",
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-		  dn->name, name, vd, be32_to_cpu(*val));
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+	pr_devel("%pOFn: update property (%s, length: %i, value: %#x)\n",
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+		  dn, name, vd, be32_to_cpu(*val));
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 	if (rc) {
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 		kfree(new_prop->name);
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@@ -175,7 +175,7 @@
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 	struct update_nodes_workarea *unwa;
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 	u32 action, node_count;
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 	int token, rc, i;
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-	__be32 *data, drc_index, phandle;
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+	__be32 *data, phandle;
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 	char *buf;
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 	token = rtas_token("ibm,update-nodes");
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@@ -213,7 +213,7 @@
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 					break;
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 				case OPCODE_ADD:
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 					/* nothing to do, just move pointer */
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-					drc_index = *data++;
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+					data++;
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 					break;
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 				}
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 			}
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@@ -473,12 +473,6 @@
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 		return -EINVAL;
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 }
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-static long device_compat_ioctl(struct file *file, unsigned int cmd,
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-				unsigned long arg)
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-{
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-	return device_ioctl(file, cmd, arg);
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-}
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-
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 static int device_close(struct inode *inode, struct file *file)
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 {
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 	struct cxl *adapter = file->private_data;
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@@ -514,7 +508,7 @@
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 	.owner		= THIS_MODULE,
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 	.open		= device_open,
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 	.unlocked_ioctl	= device_ioctl,
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-	.compat_ioctl	= device_compat_ioctl,
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+	.compat_ioctl	= compat_ptr_ioctl,
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 	.release	= device_close,
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 };
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