mei: export hbm features to debugfs under devstate

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c
index 88f5fd0b6dd7..eb868341247f 100644
--- a/drivers/misc/mei/debugfs.c
+++ b/drivers/misc/mei/debugfs.c
@@ -149,6 +149,13 @@ static ssize_t mei_dbgfs_read_devstate(struct file *fp, char __user *ubuf,
                         mei_dev_state_str(dev->dev_state));
         pos += scnprintf(buf + pos, bufsz - pos, "hbm: %s\n",
                         mei_hbm_state_str(dev->hbm_state));
+
+        if (dev->hbm_state == MEI_HBM_STARTED) {
+                pos += scnprintf(buf + pos, bufsz - pos, "hbm features:\n");
+                pos += scnprintf(buf + pos, bufsz - pos, "\tPG: %01d\n",
+                                 dev->hbm_f_pg_supported);
+        }
+
         pos += scnprintf(buf + pos, bufsz - pos, "pg:  %s, %s\n",
                         mei_pg_is_enabled(dev) ? "ENABLED" : "DISABLED",
                         mei_pg_state_str(mei_pg_state(dev)));