diff options
author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2016-07-18 08:14:44 -0700 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-07-19 06:49:20 +0200 |
commit | 2ccd60013dc2dabdb91cd2964cd9ce15eb949b1b (patch) | |
tree | 4ec1156cbe068137be12bcfa504c7c274035be6a | |
parent | 26384d071df258ed8abf30b99e1670cd26b57173 (diff) | |
download | barebox-2ccd60013dc2dabdb91cd2964cd9ce15eb949b1b.tar.gz barebox-2ccd60013dc2dabdb91cd2964cd9ce15eb949b1b.tar.xz |
mfd: syscon: Don't call request_iomem_region()
On platforms that mix dedicated IP block register space with
miscellaneous registers it is necessary to share register window between
syscon and dedicated IP block driver. Calling request_iomem_region()
implies exclusive ownership of the region, which, in the case above
could not happen.
This change also makes this driver's behaviour to that of its Linux
kernel counterpart.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | drivers/mfd/syscon.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index 9589a03f16..ac46122c6b 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -76,12 +76,6 @@ static int syscon_probe(struct device_d *dev) return PTR_ERR(res); } - res = request_iomem_region(dev_name(dev), res->start, res->end); - if (IS_ERR(res)) { - free(syscon); - return PTR_ERR(res); - } - syscon->base = (void __iomem *)res->start; dev->priv = syscon; |