[PATCH v3 2/2] remoteproc: debugfs: Remove state entry which is duplicated is sysfs

[Matt Redfearn]

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@xxxxxxxxxx>
---

Changes in v3: None
Changes in v2: None

 drivers/remoteproc/remoteproc_debugfs.c | 71 ---------------------------------
 1 file changed, 71 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index 374797206c79..1c122e230cec 100644
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -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);
 }
-- 
2.7.4