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authorLinus Torvalds <torvalds@linux-foundation.org>2026-09-20 08:15:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-09-20 08:15:23 -0700
commitbdab18633a302c82b5e5d5dbc4e38b0baf9c0837 (patch)
tree0446500af9a76d4e8b2a72a0a41391ceede73a10 /drivers/pinctrl/pinctrl-utils.h
downloadlinux-stable-bdab18633a302c82b5e5d5dbc4e38b0baf9c0837.tar.gz
linux-stable-bdab18633a302c82b5e5d5dbc4e38b0baf9c0837.zip
Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipgrafted
Pull futex fix from Ingo Molnar: - Also allocate a default private futex hash on vfork() as well, to avoid races with (private) futex waiters (Peter Zijlstra) * tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Also allocate private hash on vfork()
Diffstat (limited to 'drivers/pinctrl/pinctrl-utils.h')
-rw-r--r--drivers/pinctrl/pinctrl-utils.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-utils.h b/drivers/pinctrl/pinctrl-utils.h
new file mode 100644
index 000000000..203fba257
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-utils.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Utils functions to implement the pincontrol driver.
+ *
+ * Copyright (c) 2013, NVIDIA Corporation.
+ *
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ */
+#ifndef __PINCTRL_UTILS_H__
+#define __PINCTRL_UTILS_H__
+
+#include <linux/pinctrl/machine.h>
+
+struct pinctrl_dev;
+struct pinctrl_map;
+
+int pinctrl_utils_reserve_map(struct pinctrl_dev *pctldev,
+ struct pinctrl_map **map, unsigned int *reserved_maps,
+ unsigned int *num_maps, unsigned int reserve);
+int pinctrl_utils_add_map_mux(struct pinctrl_dev *pctldev,
+ struct pinctrl_map **map, unsigned int *reserved_maps,
+ unsigned int *num_maps, const char *group,
+ const char *function);
+int pinctrl_utils_add_map_configs(struct pinctrl_dev *pctldev,
+ struct pinctrl_map **map, unsigned int *reserved_maps,
+ unsigned int *num_maps, const char *group,
+ unsigned long *configs, unsigned int num_configs,
+ enum pinctrl_map_type type);
+int pinctrl_utils_add_config(struct pinctrl_dev *pctldev,
+ unsigned long **configs, unsigned int *num_configs,
+ unsigned long config);
+void pinctrl_utils_free_map(struct pinctrl_dev *pctldev,
+ struct pinctrl_map *map, unsigned int num_maps);
+
+#endif /* __PINCTRL_UTILS_H__ */