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Diffstat (limited to 'arch/powerpc/platforms/pseries/scanlog.c')
-rw-r--r--arch/powerpc/platforms/pseries/scanlog.c42
1 files changed, 10 insertions, 32 deletions
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c
index e5b0ea87016..417eca79df6 100644
--- a/arch/powerpc/platforms/pseries/scanlog.c
+++ b/arch/powerpc/platforms/pseries/scanlog.c
@@ -38,9 +38,7 @@
#define SCANLOG_HWERROR -1
#define SCANLOG_CONTINUE 1
-#define DEBUG(A...) do { if (scanlog_debug) printk(KERN_ERR "scanlog: " A); } while (0)
-static int scanlog_debug;
static unsigned int ibm_scan_log_dump; /* RTAS token */
static struct proc_dir_entry *proc_ppc64_scan_log_dump; /* The proc file */
@@ -57,11 +55,6 @@ static ssize_t scanlog_read(struct file *file, char __user *buf,
dp = PDE(inode);
data = (unsigned int *)dp->data;
- if (!data) {
- printk(KERN_ERR "scanlog: read failed no data\n");
- return -EIO;
- }
-
if (count > RTAS_DATA_BUF_SIZE)
count = RTAS_DATA_BUF_SIZE;
@@ -86,14 +79,14 @@ static ssize_t scanlog_read(struct file *file, char __user *buf,
memcpy(data, rtas_data_buf, RTAS_DATA_BUF_SIZE);
spin_unlock(&rtas_data_buf_lock);
- DEBUG("status=%d, data[0]=%x, data[1]=%x, data[2]=%x\n",
- status, data[0], data[1], data[2]);
+ pr_debug("scanlog: status=%d, data[0]=%x, data[1]=%x, " \
+ "data[2]=%x\n", status, data[0], data[1], data[2]);
switch (status) {
case SCANLOG_COMPLETE:
- DEBUG("hit eof\n");
+ pr_debug("scanlog: hit eof\n");
return 0;
case SCANLOG_HWERROR:
- DEBUG("hardware error reading scan log data\n");
+ pr_debug("scanlog: hardware error reading data\n");
return -EIO;
case SCANLOG_CONTINUE:
/* We may or may not have data yet */
@@ -110,7 +103,8 @@ static ssize_t scanlog_read(struct file *file, char __user *buf,
/* Assume extended busy */
wait_time = rtas_busy_delay_time(status);
if (!wait_time) {
- printk(KERN_ERR "scanlog: unknown error from rtas: %d\n", status);
+ printk(KERN_ERR "scanlog: unknown error " \
+ "from rtas: %d\n", status);
return -EIO;
}
}
@@ -134,15 +128,9 @@ static ssize_t scanlog_write(struct file * file, const char __user * buf,
if (buf) {
if (strncmp(stkbuf, "reset", 5) == 0) {
- DEBUG("reset scanlog\n");
+ pr_debug("scanlog: reset scanlog\n");
status = rtas_call(ibm_scan_log_dump, 2, 1, NULL, 0, 0);
- DEBUG("rtas returns %d\n", status);
- } else if (strncmp(stkbuf, "debugon", 7) == 0) {
- printk(KERN_ERR "scanlog: debug on\n");
- scanlog_debug = 1;
- } else if (strncmp(stkbuf, "debugoff", 8) == 0) {
- printk(KERN_ERR "scanlog: debug off\n");
- scanlog_debug = 0;
+ pr_debug("scanlog: rtas returns %d\n", status);
}
}
return count;
@@ -153,11 +141,6 @@ static int scanlog_open(struct inode * inode, struct file * file)
struct proc_dir_entry *dp = PDE(inode);
unsigned int *data = (unsigned int *)dp->data;
- if (!data) {
- printk(KERN_ERR "scanlog: open failed no data\n");
- return -EIO;
- }
-
if (data[0] != 0) {
/* This imperfect test stops a second copy of the
* data (or a reset while data is being copied)
@@ -175,10 +158,6 @@ static int scanlog_release(struct inode * inode, struct file * file)
struct proc_dir_entry *dp = PDE(inode);
unsigned int *data = (unsigned int *)dp->data;
- if (!data) {
- printk(KERN_ERR "scanlog: release failed no data\n");
- return -EIO;
- }
data[0] = 0;
return 0;
@@ -207,12 +186,11 @@ static int __init scanlog_init(void)
if (!data)
goto err;
- ent = proc_create("ppc64/rtas/scan-log-dump", S_IRUSR, NULL,
- &scanlog_fops);
+ ent = proc_create_data("ppc64/rtas/scan-log-dump", S_IRUSR, NULL,
+ &scanlog_fops, data);
if (!ent)
goto err;
- ent->data = data;
proc_ppc64_scan_log_dump = ent;
return 0;