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remoteproc: debugfs: Remove state entry which is duplicated is sysfs

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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>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Matt Redfearn 2016-10-19 13:05:48 +01:00 committed by Bjorn Andersson
parent 2aefbef041
commit fd50d8c061
1 changed files with 0 additions and 71 deletions
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71
drivers/remoteproc/remoteproc_debugfs.c
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@ -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);
}