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hwrng: bcm2835 - Fix hwrng throughput regression
[platform/kernel/linux-starfive.git]
/
drivers
/
char
/
hw_random
/
bcm2835-rng.c
diff --git
a/drivers/char/hw_random/bcm2835-rng.c
b/drivers/char/hw_random/bcm2835-rng.c
index
e19b0f9
..
4c08efe
100644
(file)
--- a/
drivers/char/hw_random/bcm2835-rng.c
+++ b/
drivers/char/hw_random/bcm2835-rng.c
@@
-70,7
+70,7
@@
static int bcm2835_rng_read(struct hwrng *rng, void *buf, size_t max,
while ((rng_readl(priv, RNG_STATUS) >> 24) == 0) {
if (!wait)
return 0;
- hwrng_
msleep(rng, 1000
);
+ hwrng_
yield(rng
);
}
num_words = rng_readl(priv, RNG_STATUS) >> 24;