Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (408 commits)
  [POWERPC] Add memchr() to the bootwrapper
  [POWERPC] Implement logging of unhandled signals
  [POWERPC] Add legacy serial support for OPB with flattened device tree
  [POWERPC] Use 1TB segments
  [POWERPC] XilinxFB: Allow fixed framebuffer base address
  [POWERPC] XilinxFB: Add support for custom screen resolution
  [POWERPC] XilinxFB: Use pdata to pass around framebuffer parameters
  [POWERPC] PCI: Add 64-bit physical address support to setup_indirect_pci
  [POWERPC] 4xx: Kilauea defconfig file
  [POWERPC] 4xx: Kilauea DTS
  [POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x
  [POWERPC] 4xx: Add AMCC 405EX support to cputable.c
  [POWERPC] Adjust TASK_SIZE on ppc32 systems to 3GB that are capable
  [POWERPC] Use PAGE_OFFSET to tell if an address is user/kernel in SW TLB handlers
  [POWERPC] 85xx: Enable FP emulation in MPC8560 ADS defconfig
  [POWERPC] 85xx: Killed <asm/mpc85xx.h>
  [POWERPC] 85xx: Add cpm nodes for 8541/8555 CDS
  [POWERPC] 85xx: Convert mpc8560ads to the new CPM binding.
  [POWERPC] mpc8272ads: Remove muram from the CPM reg property.
  [POWERPC] Make clockevents work on PPC601 processors
  ...

Fixed up conflict in Documentation/powerpc/booting-without-of.txt manually.

2 files changed, 122 insertions, 73 deletions

diff --git a/drivers/misc/hdpuftrs/hdpu_cpustate.c b/drivers/misc/hdpuftrs/hdpu_cpustate.c
index 276ba3c5143f..aa8ce7abe922 100644
--- a/drivers/misc/hdpuftrs/hdpu_cpustate.c
+++ b/drivers/misc/hdpuftrs/hdpu_cpustate.c
@@ -19,16 +19,41 @@
 #include <linux/spinlock.h>
 #include <linux/miscdevice.h>
 #include <linux/proc_fs.h>
+#include <linux/hdpu_features.h>
 #include <linux/platform_device.h>
 #include <asm/uaccess.h>
-#include <linux/hdpu_features.h>
+#include <linux/seq_file.h>
+#include <asm/io.h>
 
 #define SKY_CPUSTATE_VERSION		"1.1"
 
 static int hdpu_cpustate_probe(struct platform_device *pdev);
 static int hdpu_cpustate_remove(struct platform_device *pdev);
 
-struct cpustate_t cpustate;
+static unsigned char cpustate_get_state(void);
+static int cpustate_proc_open(struct inode *inode, struct file *file);
+static int cpustate_proc_read(struct seq_file *seq, void *offset);
+
+static struct cpustate_t cpustate;
+
+static const struct file_operations proc_cpustate = {
+	.open = cpustate_proc_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static int cpustate_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, cpustate_proc_read, NULL);
+}
+
+static int cpustate_proc_read(struct seq_file *seq, void *offset)
+{
+	seq_printf(seq, "CPU State: %04x\n", cpustate_get_state());
+	return 0;
+}
 
 static int cpustate_get_ref(int excl)
 {
@@ -66,13 +91,13 @@ static int cpustate_free_ref(void)
 	return 0;
 }
 
-unsigned char cpustate_get_state(void)
+static unsigned char cpustate_get_state(void)
 {
 
 	return cpustate.cached_val;
 }
 
-void cpustate_set_state(unsigned char new_state)
+static void cpustate_set_state(unsigned char new_state)
 {
 	unsigned int state = (new_state << 21);
 
@@ -134,29 +159,6 @@ static int cpustate_release(struct inode *inode, struct file *file)
 	return cpustate_free_ref();
 }
 
-/*
- *	Info exported via "/proc/sky_cpustate".
- */
-static int cpustate_read_proc(char *page, char **start, off_t off,
-			      int count, int *eof, void *data)
-{
-	char *p = page;
-	int len = 0;
-
-	p += sprintf(p, "CPU State: %04x\n", cpustate_get_state());
-	len = p - page;
-
-	if (len <= off + count)
-		*eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len > count)
-		len = count;
-	if (len < 0)
-		len = 0;
-	return len;
-}
-
 static struct platform_driver hdpu_cpustate_driver = {
 	.probe = hdpu_cpustate_probe,
 	.remove = hdpu_cpustate_remove,
@@ -169,22 +171,18 @@ static struct platform_driver hdpu_cpustate_driver = {
  *	The various file operations we support.
  */
 static const struct file_operations cpustate_fops = {
-      owner:THIS_MODULE,
-      open:cpustate_open,
-      release:cpustate_release,
-      read:cpustate_read,
-      write:cpustate_write,
-      fasync:NULL,
-      poll:NULL,
-      ioctl:NULL,
-      llseek:no_llseek,
-
+      .owner	= THIS_MODULE,
+      .open	= cpustate_open,
+      .release	= cpustate_release,
+      .read	= cpustate_read,
+      .write	= cpustate_write,
+      .llseek	= no_llseek,
 };
 
 static struct miscdevice cpustate_dev = {
-	MISC_DYNAMIC_MINOR,
-	"sky_cpustate",
-	&cpustate_fops
+	.minor	= MISC_DYNAMIC_MINOR,
+	.name	= "sky_cpustate",
+	.fops	= &cpustate_fops,
 };
 
 static int hdpu_cpustate_probe(struct platform_device *pdev)
@@ -194,23 +192,31 @@ static int hdpu_cpustate_probe(struct platform_device *pdev)
 	int ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		printk(KERN_ERR "sky_cpustate: "
+		       "Invalid memory resource.\n");
+		return -EINVAL;
+	}
 	cpustate.set_addr = (unsigned long *)res->start;
 	cpustate.clr_addr = (unsigned long *)res->end - 1;
 
 	ret = misc_register(&cpustate_dev);
 	if (ret) {
-		printk(KERN_WARNING "sky_cpustate: Unable to register misc "
-					"device.\n");
+		printk(KERN_WARNING "sky_cpustate: "
+		       "Unable to register misc device.\n");
 		cpustate.set_addr = NULL;
 		cpustate.clr_addr = NULL;
 		return ret;
 	}
 
-	proc_de = create_proc_read_entry("sky_cpustate", 0, 0,
-					cpustate_read_proc, NULL);
-	if (proc_de == NULL)
-		printk(KERN_WARNING "sky_cpustate: Unable to create proc "
-					"dir entry\n");
+	proc_de = create_proc_entry("sky_cpustate", 0666, &proc_root);
+	if (!proc_de) {
+		printk(KERN_WARNING "sky_cpustate: "
+		       "Unable to create proc entry\n");
+	} else {
+		proc_de->proc_fops = &proc_cpustate;
+		proc_de->owner = THIS_MODULE;
+	}
 
 	printk(KERN_INFO "Sky CPU State Driver v" SKY_CPUSTATE_VERSION "\n");
 	return 0;
@@ -218,21 +224,18 @@ static int hdpu_cpustate_probe(struct platform_device *pdev)
 
 static int hdpu_cpustate_remove(struct platform_device *pdev)
 {
-
 	cpustate.set_addr = NULL;
 	cpustate.clr_addr = NULL;
 
 	remove_proc_entry("sky_cpustate", NULL);
 	misc_deregister(&cpustate_dev);
-	return 0;
 
+	return 0;
 }
 
 static int __init cpustate_init(void)
 {
-	int rc;
-	rc = platform_driver_register(&hdpu_cpustate_driver);
-	return rc;
+	return platform_driver_register(&hdpu_cpustate_driver);
 }
 
 static void __exit cpustate_exit(void)
diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c
index 60c8b26f0678..2887b2147980 100644
--- a/drivers/misc/hdpuftrs/hdpu_nexus.c
+++ b/drivers/misc/hdpuftrs/hdpu_nexus.c
@@ -18,17 +18,38 @@
 #include <linux/kernel.h>
 #include <linux/proc_fs.h>
 #include <linux/hdpu_features.h>
-
 #include <linux/platform_device.h>
+#include <linux/seq_file.h>
+#include <asm/io.h>
 
 static int hdpu_nexus_probe(struct platform_device *pdev);
 static int hdpu_nexus_remove(struct platform_device *pdev);
+static int hdpu_slot_id_open(struct inode *inode, struct file *file);
+static int hdpu_slot_id_read(struct seq_file *seq, void *offset);
+static int hdpu_chassis_id_open(struct inode *inode, struct file *file);
+static int hdpu_chassis_id_read(struct seq_file *seq, void *offset);
 
 static struct proc_dir_entry *hdpu_slot_id;
 static struct proc_dir_entry *hdpu_chassis_id;
 static int slot_id = -1;
 static int chassis_id = -1;
 
+static const struct file_operations proc_slot_id = {
+	.open = hdpu_slot_id_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static const struct file_operations proc_chassis_id = {
+	.open = hdpu_chassis_id_open,
+	.read = seq_read,
+	.llseek	= seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
 static struct platform_driver hdpu_nexus_driver = {
 	.probe = hdpu_nexus_probe,
 	.remove = hdpu_nexus_remove,
@@ -37,43 +58,67 @@ static struct platform_driver hdpu_nexus_driver = {
 	},
 };
 
-int hdpu_slot_id_read(char *buffer, char **buffer_location, off_t offset,
-		      int buffer_length, int *zero, void *ptr)
+static int hdpu_slot_id_open(struct inode *inode, struct file *file)
 {
+	return single_open(file, hdpu_slot_id_read, NULL);
+}
 
-	if (offset > 0)
-		return 0;
-	return sprintf(buffer, "%d\n", slot_id);
+static int hdpu_slot_id_read(struct seq_file *seq, void *offset)
+{
+	seq_printf(seq, "%d\n", slot_id);
+	return 0;
 }
 
-int hdpu_chassis_id_read(char *buffer, char **buffer_location, off_t offset,
-			 int buffer_length, int *zero, void *ptr)
+static int hdpu_chassis_id_open(struct inode *inode, struct file *file)
 {
+	return single_open(file, hdpu_chassis_id_read, NULL);
+}
 
-	if (offset > 0)
-		return 0;
-	return sprintf(buffer, "%d\n", chassis_id);
+static int hdpu_chassis_id_read(struct seq_file *seq, void *offset)
+{
+	seq_printf(seq, "%d\n", chassis_id);
+	return 0;
 }
 
 static int hdpu_nexus_probe(struct platform_device *pdev)
 {
 	struct resource *res;
+	int *nexus_id_addr;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	int *nexus_id_addr;
-	nexus_id_addr =
-	    ioremap(res->start, (unsigned long)(res->end - res->start));
+	if (!res) {
+		printk(KERN_ERR "sky_nexus: "
+		       "Invalid memory resource.\n");
+		return -EINVAL;
+	}
+	nexus_id_addr = ioremap(res->start,
+				(unsigned long)(res->end - res->start));
 	if (nexus_id_addr) {
 		slot_id = (*nexus_id_addr >> 8) & 0x1f;
 		chassis_id = *nexus_id_addr & 0xff;
 		iounmap(nexus_id_addr);
-	} else
-		printk("Could not map slot id\n");
+	} else {
+		printk(KERN_ERR "sky_nexus: Could not map slot id\n");
+	}
+
 	hdpu_slot_id = create_proc_entry("sky_slot_id", 0666, &proc_root);
-	hdpu_slot_id->read_proc = hdpu_slot_id_read;
+	if (!hdpu_slot_id) {
+		printk(KERN_WARNING "sky_nexus: "
+		       "Unable to create proc dir entry: sky_slot_id\n");
+	} else {
+		hdpu_slot_id->proc_fops = &proc_slot_id;
+		hdpu_slot_id->owner = THIS_MODULE;
+	}
 
 	hdpu_chassis_id = create_proc_entry("sky_chassis_id", 0666, &proc_root);
-	hdpu_chassis_id->read_proc = hdpu_chassis_id_read;
+	if (!hdpu_chassis_id) {
+		printk(KERN_WARNING "sky_nexus: "
+		       "Unable to create proc dir entry: sky_chassis_id\n");
+	} else {
+		hdpu_chassis_id->proc_fops = &proc_chassis_id;
+		hdpu_chassis_id->owner = THIS_MODULE;
+	}
+
 	return 0;
 }
 
@@ -81,18 +126,19 @@ static int hdpu_nexus_remove(struct platform_device *pdev)
 {
 	slot_id = -1;
 	chassis_id = -1;
+
 	remove_proc_entry("sky_slot_id", &proc_root);
 	remove_proc_entry("sky_chassis_id", &proc_root);
+
 	hdpu_slot_id = 0;
 	hdpu_chassis_id = 0;
+
 	return 0;
 }
 
 static int __init nexus_init(void)
 {
-	int rc;
-	rc = platform_driver_register(&hdpu_nexus_driver);
-	return rc;
+	return platform_driver_register(&hdpu_nexus_driver);
 }
 
 static void __exit nexus_exit(void)