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of: Make devtree_lock declaration private

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Sparc is the only place devtree_lock is used outside of drivers/of/.
Move the devtree_lock declaration into of_private.h and Sparc's prom.h
so pulling in spinlock.h to of.h can be avoided for everything besides
Sparc.

Link: https://lore.kernel.org/r/20230329-dt-cpu-header-cleanups-v1-1-581e2605fe47@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2023-03-29 10:51:58 -05:00
parent c12cc1bc7d
commit 1dd5474ee6
3 changed files with 4 additions and 2 deletions
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3
arch/sparc/include/asm/prom.h
View File

@ -19,11 +19,14 @@
#include <linux/mutex.h>
#include <linux/atomic.h>
#include <linux/irqdomain.h>
#include <linux/spinlock.h>
#define of_compat_cmp(s1, s2, l) strncmp((s1), (s2), (l))
#define of_prop_cmp(s1, s2) strcasecmp((s1), (s2))
#define of_node_cmp(s1, s2) strcmp((s1), (s2))
extern raw_spinlock_t devtree_lock;
struct of_irq_controller {
unsigned int (*irq_build)(struct device_node *, unsigned int, void *);
void *data;

1
drivers/of/of_private.h
View File

@ -38,6 +38,7 @@ struct alias_prop {
#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
extern struct mutex of_mutex;
extern raw_spinlock_t devtree_lock;
extern struct list_head aliases_lookup;
extern struct kset *of_kset;

2
include/linux/of.h
View File

@ -16,7 +16,6 @@
#include <linux/errno.h>
#include <linux/kobject.h>
#include <linux/mod_devicetable.h>
#include <linux/spinlock.h>
#include <linux/topology.h>
#include <linux/notifier.h>
#include <linux/property.h>
@ -145,7 +144,6 @@ extern struct device_node *of_root;
extern struct device_node *of_chosen;
extern struct device_node *of_aliases;
extern struct device_node *of_stdout;
extern raw_spinlock_t devtree_lock;
/*
* struct device_node flag descriptions