9 files changed, 54 insertions, 35 deletions
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index 18d65fb42ee..fb09bb3c0ad 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -23,6 +23,7 @@
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/errno.h>
+#include <linux/gfp.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/mc146818rtc.h>
diff --git a/drivers/firmware/dell_rbu.c b/drivers/firmware/dell_rbu.c
index b3a0cf57442..3a4460265b1 100644
--- a/drivers/firmware/dell_rbu.c
+++ b/drivers/firmware/dell_rbu.c
@@ -36,6 +36,7 @@
  */
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/blkdev.h>
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
index dbdf6fadfc7..a777a35381d 100644
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <linux/dmi.h>
 #include <linux/device.h>
+#include <linux/slab.h>
 
 struct dmi_device_attribute{
 	struct device_attribute dev_attr;
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 31b983d9462..d4646727134 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -5,7 +5,6 @@
 #include <linux/dmi.h>
 #include <linux/efi.h>
 #include <linux/bootmem.h>
-#include <linux/slab.h>
 #include <asm/dmi.h>
 
 /*
diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index 9e4f59dc7f1..110e24e5088 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -122,7 +122,7 @@ edd_attr_show(struct kobject * kobj, struct attribute *attr, char *buf)
 	return ret;
 }
 
-static struct sysfs_ops edd_attr_ops = {
+static const struct sysfs_ops edd_attr_ops = {
 	.show = edd_attr_show,
 };
 
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index f4f709d1370..81b70bd0758 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -77,6 +77,7 @@
 #include <linux/sysfs.h>
 #include <linux/kobject.h>
 #include <linux/device.h>
+#include <linux/slab.h>
 
 #include <asm/uaccess.h>
 
@@ -362,7 +363,7 @@ static ssize_t efivar_attr_store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static struct sysfs_ops efivar_attr_ops = {
+static const struct sysfs_ops efivar_attr_ops = {
 	.show = efivar_attr_show,
 	.store = efivar_attr_store,
 };
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index f82bcdae130..ed2801c378d 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -380,7 +380,6 @@ static ssize_t ibft_attr_show_nic(struct ibft_kobject *entry,
 	struct ibft_nic *nic = entry->nic;
 	void *ibft_loc = entry->header;
 	char *str = buf;
-	char *mac;
 	__be32 val;
 
 	if (!nic)
@@ -419,10 +418,7 @@ static ssize_t ibft_attr_show_nic(struct ibft_kobject *entry,
 		str += sprintf(str, "%d\n", nic->vlan);
 		break;
 	case ibft_eth_mac:
-		mac = nic->mac;
-		str += sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x\n",
-			       (u8)mac[0], (u8)mac[1], (u8)mac[2],
-			       (u8)mac[3], (u8)mac[4], (u8)mac[5]);
+		str += sprintf(str, "%pM\n", nic->mac);
 		break;
 	case ibft_eth_hostname:
 		str += sprintf_string(str, nic->hostname_len,
@@ -523,7 +519,7 @@ static ssize_t ibft_show_attribute(struct kobject *kobj,
 	return ret;
 }
 
-static struct sysfs_ops ibft_attr_ops = {
+static const struct sysfs_ops ibft_attr_ops = {
 	.show = ibft_show_attribute,
 };
 
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index dfb15c06c88..d6470ef36e4 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -27,7 +27,6 @@
 #include <linux/limits.h>
 #include <linux/module.h>
 #include <linux/pci.h>
-#include <linux/slab.h>
 #include <linux/stat.h>
 #include <linux/string.h>
 #include <linux/types.h>
@@ -52,7 +51,7 @@ EXPORT_SYMBOL_GPL(ibft_addr);
  * Routine used to find the iSCSI Boot Format Table. The logical
  * kernel address is set in the ibft_addr global variable.
  */
-void __init reserve_ibft_region(void)
+unsigned long __init find_ibft_region(unsigned long *sizep)
 {
 	unsigned long pos;
 	unsigned int len = 0;
@@ -78,6 +77,11 @@ void __init reserve_ibft_region(void)
 			}
 		}
 	}
-	if (ibft_addr)
-		reserve_bootmem(pos, PAGE_ALIGN(len), BOOTMEM_DEFAULT);
+	if (ibft_addr) {
+		*sizep = PAGE_ALIGN(len);
+		return pos;
+	}
+
+	*sizep = 0;
+	return 0;
 }
diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c
index 56f9234781f..adc07102a20 100644
--- a/drivers/firmware/memmap.c
+++ b/drivers/firmware/memmap.c
@@ -20,6 +20,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/bootmem.h>
+#include <linux/slab.h>
 
 /*
  * Data types ------------------------------------------------------------------
@@ -74,7 +75,7 @@ static struct attribute *def_attrs[] = {
 	NULL
 };
 
-static struct sysfs_ops memmap_attr_ops = {
+static const struct sysfs_ops memmap_attr_ops = {
 	.show = memmap_attr_show,
 };
 
@@ -122,29 +123,53 @@ static int firmware_map_add_entry(u64 start, u64 end,
 	return 0;
 }
 
+/*
+ * Add memmap entry on sysfs
+ */
+static int add_sysfs_fw_map_entry(struct firmware_map_entry *entry)
+{
+	static int map_entries_nr;
+	static struct kset *mmap_kset;
+
+	if (!mmap_kset) {
+		mmap_kset = kset_create_and_add("memmap", NULL, firmware_kobj);
+		if (!mmap_kset)
+			return -ENOMEM;
+	}
+
+	entry->kobj.kset = mmap_kset;
+	if (kobject_add(&entry->kobj, NULL, "%d", map_entries_nr++))
+		kobject_put(&entry->kobj);
+
+	return 0;
+}
+
 /**
- * firmware_map_add() - Adds a firmware mapping entry.
+ * firmware_map_add_hotplug() - Adds a firmware mapping entry when we do
+ * memory hotplug.
  * @start: Start of the memory range.
  * @end:   End of the memory range (inclusive).
  * @type:  Type of the memory range.
  *
- * This function uses kmalloc() for memory
- * allocation. Use firmware_map_add_early() if you want to use the bootmem
- * allocator.
- *
- * That function must be called before late_initcall.
+ * Adds a firmware mapping entry. This function is for memory hotplug, it is
+ * similar to function firmware_map_add_early(). The only difference is that
+ * it will create the syfs entry dynamically.
  *
  * Returns 0 on success, or -ENOMEM if no memory could be allocated.
  **/
-int firmware_map_add(u64 start, u64 end, const char *type)
+int __meminit firmware_map_add_hotplug(u64 start, u64 end, const char *type)
 {
 	struct firmware_map_entry *entry;
 
-	entry = kmalloc(sizeof(struct firmware_map_entry), GFP_ATOMIC);
+	entry = kzalloc(sizeof(struct firmware_map_entry), GFP_ATOMIC);
 	if (!entry)
 		return -ENOMEM;
 
-	return firmware_map_add_entry(start, end, type, entry);
+	firmware_map_add_entry(start, end, type, entry);
+	/* create the memmap entry */
+	add_sysfs_fw_map_entry(entry);
+
+	return 0;
 }
 
 /**
@@ -154,7 +179,7 @@ int firmware_map_add(u64 start, u64 end, const char *type)
  * @type:  Type of the memory range.
  *
  * Adds a firmware mapping entry. This function uses the bootmem allocator
- * for memory allocation. Use firmware_map_add() if you want to use kmalloc().
+ * for memory allocation.
  *
  * That function must be called before late_initcall.
  *
@@ -214,19 +239,10 @@ static ssize_t memmap_attr_show(struct kobject *kobj,
  */
 static int __init memmap_init(void)
 {
-	int i = 0;
 	struct firmware_map_entry *entry;
-	struct kset *memmap_kset;
-
-	memmap_kset = kset_create_and_add("memmap", NULL, firmware_kobj);
-	if (WARN_ON(!memmap_kset))
-		return -ENOMEM;
 
-	list_for_each_entry(entry, &map_entries, list) {
-		entry->kobj.kset = memmap_kset;
-		if (kobject_add(&entry->kobj, NULL, "%d", i++))
-			kobject_put(&entry->kobj);
-	}
+	list_for_each_entry(entry, &map_entries, list)
+		add_sysfs_fw_map_entry(entry);
 
 	return 0;
 }