From a9d98e9f7d84d7d66b02fdae9c37b19cd516c894 Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Tue, 21 Mar 2023 16:43:22 +0000 Subject: [PATCH 632/726] Revert "hwrng: bcm2835 - use hwrng_msleep() instead of cpu_relax()" This reverts commit 96cb9d0554457086664d3bd10630b11193d863f1. See: https://github.com/raspberrypi/linux/issues/5390 Signed-off-by: Phil Elwell --- drivers/char/hw_random/bcm2835-rng.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c index cd1713c2d058..f9a4a89e762b 100644 --- a/drivers/char/hw_random/bcm2835-rng.c +++ b/drivers/char/hw_random/bcm2835-rng.c @@ -71,7 +71,7 @@ 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); + cpu_relax(); } num_words = rng_readl(priv, RNG_STATUS) >> 24; -- 2.33.1