m68k: Add infrastructure for machine-specific random_get_entropy()
On m68k, get_cycles() (the default implementation for random_get_entropy())
always returns zero, providing no entropy for the random driver.
Add a hook where platforms can provide their own implementation, and wire
it up in the infrastructure provided by commit
61875f30da
("random: allow architectures to
optionally define random_get_entropy()").
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
parent
7a15dd5c4b
commit
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@ -28,4 +28,14 @@ static inline cycles_t get_cycles(void)
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return 0;
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}
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extern unsigned long (*mach_random_get_entropy)(void);
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static inline unsigned long random_get_entropy(void)
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{
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if (mach_random_get_entropy)
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return mach_random_get_entropy();
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return 0;
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}
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#define random_get_entropy random_get_entropy
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#endif
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@ -28,6 +28,10 @@
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#include <linux/timex.h>
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#include <linux/profile.h>
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unsigned long (*mach_random_get_entropy)(void);
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/*
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* timer_interrupt() needs to keep up the real-time clock,
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* as well as call the "xtime_update()" routine every clocktick
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