From 81244ba0f03691ad7b6a4cd175b6281eb4241c5c Mon Sep 17 00:00:00 2001
From: Stefan Wahren <stefan.wahren@i2se.com>
Date: Sat, 31 Mar 2018 22:09:45 +0200
Subject: [PATCH] staging: vchiq_arm: Avoid long udelay
Git-commit: 81244ba0f03691ad7b6a4cd175b6281eb4241c5c
Patch-mainline: v4.18-rc1
References: FATE#324827
vchiq_initialise() is used in non-interrupt context, so we can
replace udelay with usleep_range as suggested by timers-howto.txt.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -215,7 +215,7 @@ VCHIQ_STATUS_T vchiq_initialise(VCHIQ_IN
state = vchiq_get_state();
if (state)
break;
- udelay(500);
+ usleep_range(500, 600);
}
if (i == VCHIQ_INIT_RETRIES) {
vchiq_log_error(vchiq_core_log_level,