summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/nvram_64.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/nvram_64.c')
-rw-r--r--arch/powerpc/kernel/nvram_64.c56
1 files changed, 17 insertions, 39 deletions
diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 0ed31f220482..ad461e735aec 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -139,8 +139,8 @@ out:
}
-static int dev_nvram_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long dev_nvram_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
switch(cmd) {
#ifdef CONFIG_PPC_PMAC
@@ -169,11 +169,11 @@ static int dev_nvram_ioctl(struct inode *inode, struct file *file,
}
const struct file_operations nvram_fops = {
- .owner = THIS_MODULE,
- .llseek = dev_nvram_llseek,
- .read = dev_nvram_read,
- .write = dev_nvram_write,
- .ioctl = dev_nvram_ioctl,
+ .owner = THIS_MODULE,
+ .llseek = dev_nvram_llseek,
+ .read = dev_nvram_read,
+ .write = dev_nvram_write,
+ .unlocked_ioctl = dev_nvram_ioctl,
};
static struct miscdevice nvram_dev = {
@@ -184,7 +184,7 @@ static struct miscdevice nvram_dev = {
#ifdef DEBUG_NVRAM
-static void nvram_print_partitions(char * label)
+static void __init nvram_print_partitions(char * label)
{
struct list_head * p;
struct nvram_partition * tmp_part;
@@ -202,7 +202,7 @@ static void nvram_print_partitions(char * label)
#endif
-static int nvram_write_header(struct nvram_partition * part)
+static int __init nvram_write_header(struct nvram_partition * part)
{
loff_t tmp_index;
int rc;
@@ -214,7 +214,7 @@ static int nvram_write_header(struct nvram_partition * part)
}
-static unsigned char nvram_checksum(struct nvram_header *p)
+static unsigned char __init nvram_checksum(struct nvram_header *p)
{
unsigned int c_sum, c_sum2;
unsigned short *sp = (unsigned short *)p->name; /* assume 6 shorts */
@@ -228,32 +228,7 @@ static unsigned char nvram_checksum(struct nvram_header *p)
return c_sum;
}
-
-/*
- * Find an nvram partition, sig can be 0 for any
- * partition or name can be NULL for any name, else
- * tries to match both
- */
-struct nvram_partition *nvram_find_partition(int sig, const char *name)
-{
- struct nvram_partition * part;
- struct list_head * p;
-
- list_for_each(p, &nvram_part->partition) {
- part = list_entry(p, struct nvram_partition, partition);
-
- if (sig && part->header.signature != sig)
- continue;
- if (name && 0 != strncmp(name, part->header.name, 12))
- continue;
- return part;
- }
- return NULL;
-}
-EXPORT_SYMBOL(nvram_find_partition);
-
-
-static int nvram_remove_os_partition(void)
+static int __init nvram_remove_os_partition(void)
{
struct list_head *i;
struct list_head *j;
@@ -319,7 +294,7 @@ static int nvram_remove_os_partition(void)
* Will create a partition starting at the first free
* space found if space has enough room.
*/
-static int nvram_create_os_partition(void)
+static int __init nvram_create_os_partition(void)
{
struct nvram_partition *part;
struct nvram_partition *new_part;
@@ -422,7 +397,7 @@ static int nvram_create_os_partition(void)
* 5.) If the max chunk cannot be allocated then try finding a chunk
* that will satisfy the minum needed (NVRAM_MIN_REQ).
*/
-static int nvram_setup_partition(void)
+static int __init nvram_setup_partition(void)
{
struct list_head * p;
struct nvram_partition * part;
@@ -480,7 +455,7 @@ static int nvram_setup_partition(void)
}
-static int nvram_scan_partitions(void)
+static int __init nvram_scan_partitions(void)
{
loff_t cur_index = 0;
struct nvram_header phead;
@@ -706,6 +681,9 @@ int nvram_clear_error_log(void)
int clear_word = ERR_FLAG_ALREADY_LOGGED;
int rc;
+ if (nvram_error_log_index == -1)
+ return -1;
+
tmp_index = nvram_error_log_index;
rc = ppc_md.nvram_write((char *)&clear_word, sizeof(int), &tmp_index);
OpenPOWER on IntegriCloud