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authorTakashi Iwai <tiwai@suse.de>2020-04-24 08:22:16 +0200
committerTakashi Iwai <tiwai@suse.de>2020-04-24 08:22:55 +0200
commit36dbae9945322e660795e73ffc8ed8ae4f25d13d (patch)
tree9e444e68380061dccfaa453d1f02cf21c5c986ef /include/linux/random.h
parentALSA: oxygen: use true,false for bool variables (diff)
parentALSA: hda: Refactor Intel NHLT init (diff)
Merge branch 'topic/nhlt' into for-next
Merge NHLT init cleanup. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/linux/random.h')
-rw-r--r--include/linux/random.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/random.h b/include/linux/random.h
index d319f9a1e429..45e1f8fa742b 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -7,6 +7,8 @@
#ifndef _LINUX_RANDOM_H
#define _LINUX_RANDOM_H
+#include <linux/bug.h>
+#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/once.h>
@@ -185,6 +187,26 @@ static inline bool __must_check arch_get_random_seed_int(unsigned int *v)
}
#endif
+/*
+ * Called from the boot CPU during startup; not valid to call once
+ * secondary CPUs are up and preemption is possible.
+ */
+#ifndef arch_get_random_seed_long_early
+static inline bool __init arch_get_random_seed_long_early(unsigned long *v)
+{
+ WARN_ON(system_state != SYSTEM_BOOTING);
+ return arch_get_random_seed_long(v);
+}
+#endif
+
+#ifndef arch_get_random_long_early
+static inline bool __init arch_get_random_long_early(unsigned long *v)
+{
+ WARN_ON(system_state != SYSTEM_BOOTING);
+ return arch_get_random_long(v);
+}
+#endif
+
/* Pseudo random number generator from numerical recipes. */
static inline u32 next_pseudo_random32(u32 seed)
{