From 2ccd60013dc2dabdb91cd2964cd9ce15eb949b1b Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Mon, 18 Jul 2016 08:14:44 -0700 Subject: 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 Signed-off-by: Sascha Hauer --- drivers/mfd/syscon.c | 6 ------ 1 file changed, 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; -- cgit v1.2.3