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Subject[PATCH 4.4 029/190] bus: brcmstb_gisb: Use register offsets with writes too
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Doug Berger <opendmb@gmail.com>


[ Upstream commit 856c7ccb9ce7a061f04bdf586f649cb93654e294 ]

This commit corrects the bug introduced in commit f80835875d3d
("bus: brcmstb_gisb: Look up register offsets in a table") such
that gisb_write() translates the register enumeration into an
offset from the base address for writes as well as reads.

Fixes: f80835875d3d ("bus: brcmstb_gisb: Look up register offsets in a table")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/bus/brcmstb_gisb.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/bus/brcmstb_gisb.c
+++ b/drivers/bus/brcmstb_gisb.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2014 Broadcom Corporation
+ * Copyright (C) 2014-2017 Broadcom
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -123,9 +123,9 @@ static void gisb_write(struct brcmstb_gi
return;

if (gdev->big_endian)
- iowrite32be(val, gdev->base + reg);
+ iowrite32be(val, gdev->base + offset);
else
- iowrite32(val, gdev->base + reg);
+ iowrite32(val, gdev->base + offset);
}

static ssize_t gisb_arb_get_timeout(struct device *dev,

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