From: Nathan Hintz <nlhintz@hotmail.com>
Date: Sat, 5 May 2012 04:56:36 +0000 (-0700)
Subject: bcma: Add flush for BCMA_RESET_CTL write
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=044e68c0cd01a70fd4929ce19ce52ba5df839b22;p=deliverable%2Flinux.git

bcma: Add flush for BCMA_RESET_CTL write

Adds a missing read to flush the previous write (per the Broadcom SDK).

Signed-off-by: Nathan Hintz <nlhintz@hotmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/bcma/core.c b/drivers/bcma/core.c
index 98e243cd0479..bc6e89212ad3 100644
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -30,6 +30,7 @@ void bcma_core_disable(struct bcma_device *core, u32 flags)
 	udelay(10);
 
 	bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
+	bcma_aread32(core, BCMA_RESET_CTL);
 	udelay(1);
 }
 EXPORT_SYMBOL_GPL(bcma_core_disable);