From: Marek Szyprowski <m.szyprowski@samsung.com>
To: linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org, Kamil Debski <k.debski@samsung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
Liviu Dudau <liviu.dudau@arm.com>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
Javier Martinez Canillas <javier@osg.samsung.com>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
Marek Szyprowski <m.szyprowski@samsung.com>
Subject: [PATCH] of: reserved_mem: restore old behavior when no region is defined
Date: Wed, 08 Jun 2016 08:51:53 +0200 [thread overview]
Message-ID: <1465368713-17866-1-git-send-email-m.szyprowski@samsung.com> (raw)
In-Reply-To: <20160607143425.GE1165@e106497-lin.cambridge.arm.com>
Change return value back to -ENODEV when no region is defined for given
device. This restores old behavior of this function, as some drivers rely
on such error code.
Reported-by: Liviu Dudau <liviu.dudau@arm.com>
Fixes: 59ce4039727ef40 ("of: reserved_mem: add support for using more than
one region for given device")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
drivers/of/of_reserved_mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 3cf129f..06af99f 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -334,7 +334,7 @@ int of_reserved_mem_device_init_by_idx(struct device *dev,
target = of_parse_phandle(np, "memory-region", idx);
if (!target)
- return -EINVAL;
+ return -ENODEV;
rmem = __find_rmem(target);
of_node_put(target);
--
1.9.2
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next parent reply other threads:[~2016-06-08 6:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20160607143425.GE1165@e106497-lin.cambridge.arm.com>
2016-06-08 6:51 ` Marek Szyprowski [this message]
2016-06-08 7:35 ` [PATCH] of: reserved_mem: restore old behavior when no region is defined Sylwester Nawrocki
2016-06-08 10:49 ` Liviu Dudau
2016-06-08 13:05 ` Rob Herring
2016-06-08 15:35 ` Sumit Semwal
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