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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-08-25 07:54:28 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-08-27 19:03:04 +0200
commit8465def499c70d041a234087eff380108da7e830 (patch)
tree209915ea6e2d6f3d44273d192878dd00befda7d0 /drivers/greybus/debugfs.c
parentec0ad868173da8a75121f9dc116a5d5478ff614d (diff)
staging: greybus: move the greybus core to drivers/greybus
The Greybus core code has been stable for a long time, and has been shipping for many years in millions of phones. With the advent of a recent Google Summer of Code project, and a number of new devices in the works from various companies, it is time to get the core greybus code out of staging as it really is going to be with us for a while. Cc: Johan Hovold <johan@kernel.org> Cc: linux-kernel@vger.kernel.org Cc: greybus-dev@lists.linaro.org Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Alex Elder <elder@kernel.org> Link: https://lore.kernel.org/r/20190825055429.18547-9-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/greybus/debugfs.c')
-rw-r--r--drivers/greybus/debugfs.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/greybus/debugfs.c b/drivers/greybus/debugfs.c
new file mode 100644
index 000000000000..e102d7badb9d
--- /dev/null
+++ b/drivers/greybus/debugfs.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Greybus debugfs code
+ *
+ * Copyright 2014 Google Inc.
+ * Copyright 2014 Linaro Ltd.
+ */
+
+#include <linux/debugfs.h>
+#include <linux/greybus.h>
+
+static struct dentry *gb_debug_root;
+
+void __init gb_debugfs_init(void)
+{
+ gb_debug_root = debugfs_create_dir("greybus", NULL);
+}
+
+void gb_debugfs_cleanup(void)
+{
+ debugfs_remove_recursive(gb_debug_root);
+ gb_debug_root = NULL;
+}
+
+struct dentry *gb_debugfs_get(void)
+{
+ return gb_debug_root;
+}
+EXPORT_SYMBOL_GPL(gb_debugfs_get);