@@ -59,75 +59,6 @@ static const struct file_operations trace_rproc_ops = {
.llseek = generic_file_llseek,
};
-/*
- * A state-to-string lookup table, for exposing a human readable state
- * via debugfs. Always keep in sync with enum rproc_state
- */
-static const char * const rproc_state_string[] = {
- "offline",
- "suspended",
- "running",
- "crashed",
- "invalid",
-};
-
-/* expose the state of the remote processor via debugfs */
-static ssize_t rproc_state_read(struct file *filp, char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- struct rproc *rproc = filp->private_data;
- unsigned int state;
- char buf[30];
- int i;
-
- state = rproc->state > RPROC_LAST ? RPROC_LAST : rproc->state;
-
- i = scnprintf(buf, 30, "%.28s (%d)\n", rproc_state_string[state],
- rproc->state);
-
- return simple_read_from_buffer(userbuf, count, ppos, buf, i);
-}
-
-static ssize_t rproc_state_write(struct file *filp, const char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- struct rproc *rproc = filp->private_data;
- char buf[10];
- int ret;
-
- if (count > sizeof(buf) || count <= 0)
- return -EINVAL;
-
- ret = copy_from_user(buf, userbuf, count);
- if (ret)
- return -EFAULT;
-
- if (buf[count - 1] == '\n')
- buf[count - 1] = '\0';
-
- if (!strncmp(buf, "start", count)) {
- ret = rproc_boot(rproc);
- if (ret) {
- dev_err(&rproc->dev, "Boot failed: %d\n", ret);
- return ret;
- }
- } else if (!strncmp(buf, "stop", count)) {
- rproc_shutdown(rproc);
- } else {
- dev_err(&rproc->dev, "Unrecognised option: %s\n", buf);
- return -EINVAL;
- }
-
- return count;
-}
-
-static const struct file_operations rproc_state_ops = {
- .read = rproc_state_read,
- .write = rproc_state_write,
- .open = simple_open,
- .llseek = generic_file_llseek,
-};
-
/* expose the name of the remote processor via debugfs */
static ssize_t rproc_name_read(struct file *filp, char __user *userbuf,
size_t count, loff_t *ppos)
@@ -265,8 +196,6 @@ void rproc_create_debug_dir(struct rproc *rproc)
debugfs_create_file("name", 0400, rproc->dbg_dir,
rproc, &rproc_name_ops);
- debugfs_create_file("state", 0400, rproc->dbg_dir,
- rproc, &rproc_state_ops);
debugfs_create_file("recovery", 0400, rproc->dbg_dir,
rproc, &rproc_recovery_ops);
}
Since there is now an always available state file in sysfs with the same function as this one in debugfs, remove the redundant entry. Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> --- Changes in v3: None Changes in v2: None drivers/remoteproc/remoteproc_debugfs.c | 71 --------------------------------- 1 file changed, 71 deletions(-)