From: Stefan Wahren <stefan.wahren@i2se.com>
Date: Sat, 31 Mar 2018 20:09:45 +0000 (+0200)
Subject: staging: vchiq_arm: Avoid long udelay
X-Git-Tag: v4.18-rc1~83^2~572
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=81244ba0f03691ad7b6a4cd175b6281eb4241c5c;p=linux.git

staging: vchiq_arm: Avoid long udelay

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>
---

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 09d11cd538cf..4b16aa426a6d 100644
--- 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_INSTANCE_T *instance_out)
 		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,