Merge branch 'linux-2.6'
[safe/jmp/linux-2.6] / drivers / macintosh / smu.c
index 090e40f..d409f67 100644 (file)
@@ -46,6 +46,7 @@
 #include <asm/abs_addr.h>
 #include <asm/uaccess.h>
 #include <asm/of_device.h>
+#include <asm/of_platform.h>
 
 #define VERSION "0.7"
 #define AUTHOR  "(c) 2005 Benjamin Herrenschmidt, IBM Corp."
@@ -145,7 +146,7 @@ static void smu_start_cmd(void)
 }
 
 
-static irqreturn_t smu_db_intr(int irq, void *arg, struct pt_regs *regs)
+static irqreturn_t smu_db_intr(int irq, void *arg)
 {
        unsigned long flags;
        struct smu_cmd *cmd;
@@ -224,7 +225,7 @@ static irqreturn_t smu_db_intr(int irq, void *arg, struct pt_regs *regs)
 }
 
 
-static irqreturn_t smu_msg_intr(int irq, void *arg, struct pt_regs *regs)
+static irqreturn_t smu_msg_intr(int irq, void *arg)
 {
        /* I don't quite know what to do with this one, we seem to never
         * receive it, so I suspect we have to arm it someway in the SMU
@@ -309,7 +310,7 @@ void smu_poll(void)
 
        gpio = pmac_do_feature_call(PMAC_FTR_READ_GPIO, NULL, smu->doorbell);
        if ((gpio & 7) == 7)
-               smu_db_intr(smu->db_irq, smu, NULL);
+               smu_db_intr(smu->db_irq, smu);
 }
 EXPORT_SYMBOL(smu_poll);
 
@@ -490,7 +491,7 @@ int __init smu_init (void)
                printk(KERN_ERR "SMU: Can't find doorbell GPIO !\n");
                goto fail;
        }
-       data = get_property(smu->db_node, "reg", NULL);
+       data = of_get_property(smu->db_node, "reg", NULL);
        if (data == NULL) {
                of_node_put(smu->db_node);
                smu->db_node = NULL;
@@ -511,7 +512,7 @@ int __init smu_init (void)
                smu->msg_node = of_find_node_by_name(NULL, "smu-interrupt");
                if (smu->msg_node == NULL)
                        break;
-               data = get_property(smu->msg_node, "reg", NULL);
+               data = of_get_property(smu->msg_node, "reg", NULL);
                if (data == NULL) {
                        of_node_put(smu->msg_node);
                        smu->msg_node = NULL;
@@ -600,17 +601,17 @@ core_initcall(smu_late_init);
  * sysfs visibility
  */
 
-static void smu_expose_childs(void *unused)
+static void smu_expose_childs(struct work_struct *unused)
 {
        struct device_node *np;
 
        for (np = NULL; (np = of_get_next_child(smu->of_node, np)) != NULL;)
-               if (device_is_compatible(np, "smu-sensors"))
+               if (of_device_is_compatible(np, "smu-sensors"))
                        of_platform_device_create(np, "smu-sensors",
                                                  &smu->of_dev->dev);
 }
 
-static DECLARE_WORK(smu_expose_childs_work, smu_expose_childs, NULL);
+static DECLARE_WORK(smu_expose_childs_work, smu_expose_childs);
 
 static int smu_platform_probe(struct of_device* dev,
                              const struct of_device_id *match)
@@ -653,7 +654,7 @@ static int __init smu_init_sysfs(void)
         * I'm a bit too far from figuring out how that works with those
         * new chipsets, but that will come back and bite us
         */
-       of_register_driver(&smu_of_platform_driver);
+       of_register_platform_driver(&smu_of_platform_driver);
        return 0;
 }
 
@@ -870,7 +871,7 @@ int smu_queue_i2c(struct smu_i2c_cmd *cmd)
 
 static int smu_read_datablock(u8 *dest, unsigned int addr, unsigned int len)
 {
-       DECLARE_COMPLETION(comp);
+       DECLARE_COMPLETION_ONSTACK(comp);
        unsigned int chunk;
        struct smu_cmd cmd;
        int rc;
@@ -917,7 +918,7 @@ static int smu_read_datablock(u8 *dest, unsigned int addr, unsigned int len)
 
 static struct smu_sdbp_header *smu_create_sdb_partition(int id)
 {
-       DECLARE_COMPLETION(comp);
+       DECLARE_COMPLETION_ONSTACK(comp);
        struct smu_simple_cmd cmd;
        unsigned int addr, len, tlen;
        struct smu_sdbp_header *hdr;
@@ -944,14 +945,14 @@ static struct smu_sdbp_header *smu_create_sdb_partition(int id)
         */
        tlen = sizeof(struct property) + len + 18;
 
-       prop = kcalloc(tlen, 1, GFP_KERNEL);
+       prop = kzalloc(tlen, GFP_KERNEL);
        if (prop == NULL)
                return NULL;
        hdr = (struct smu_sdbp_header *)(prop + 1);
        prop->name = ((char *)prop) + tlen - 18;
        sprintf(prop->name, "sdb-partition-%02x", id);
        prop->length = len;
-       prop->value = (unsigned char *)hdr;
+       prop->value = hdr;
        prop->next = NULL;
 
        /* Read the datablock */
@@ -1003,7 +1004,7 @@ const struct smu_sdbp_header *__smu_get_sdb_partition(int id,
        } else
                mutex_lock(&smu_part_access);
 
-       part = get_property(smu->of_node, pname, size);
+       part = of_get_property(smu->of_node, pname, size);
        if (part == NULL) {
                DPRINTK("trying to extract from SMU ...\n");
                part = smu_create_sdb_partition(id);
@@ -1052,10 +1053,9 @@ static int smu_open(struct inode *inode, struct file *file)
        struct smu_private *pp;
        unsigned long flags;
 
-       pp = kmalloc(sizeof(struct smu_private), GFP_KERNEL);
+       pp = kzalloc(sizeof(struct smu_private), GFP_KERNEL);
        if (pp == 0)
                return -ENOMEM;
-       memset(pp, 0, sizeof(struct smu_private));
        spin_lock_init(&pp->lock);
        pp->mode = smu_file_commands;
        init_waitqueue_head(&pp->wait);
@@ -1258,9 +1258,9 @@ static int smu_release(struct inode *inode, struct file *file)
                        set_current_state(TASK_UNINTERRUPTIBLE);
                        if (pp->cmd.status != 1)
                                break;
-                       spin_lock_irqsave(&pp->lock, flags);
-                       schedule();
                        spin_unlock_irqrestore(&pp->lock, flags);
+                       schedule();
+                       spin_lock_irqsave(&pp->lock, flags);
                }
                set_current_state(TASK_RUNNING);
                remove_wait_queue(&pp->wait, &wait);
@@ -1276,7 +1276,7 @@ static int smu_release(struct inode *inode, struct file *file)
 }
 
 
-static struct file_operations smu_device_fops = {
+static const struct file_operations smu_device_fops = {
        .llseek         = no_llseek,
        .read           = smu_read,
        .write          = smu_write,