From e055d9d9674666645b2cd08b8f3129c80dcf3f15 Mon Sep 17 00:00:00 2001 From: Zoltan HERPAI Date: Sat, 9 Jan 2016 16:20:39 +0000 Subject: sunxi: initial 4.4 support Signed-off-by: Zoltan HERPAI git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48161 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../141-reset-fix-of_reset_control_get.patch | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 target/linux/sunxi/patches-4.4/141-reset-fix-of_reset_control_get.patch (limited to 'target/linux/sunxi/patches-4.4/141-reset-fix-of_reset_control_get.patch') diff --git a/target/linux/sunxi/patches-4.4/141-reset-fix-of_reset_control_get.patch b/target/linux/sunxi/patches-4.4/141-reset-fix-of_reset_control_get.patch new file mode 100644 index 0000000000..62891b4e8c --- /dev/null +++ b/target/linux/sunxi/patches-4.4/141-reset-fix-of_reset_control_get.patch @@ -0,0 +1,41 @@ +From 7fd7a26b60090a7df15f30ba10b0d39cbbd6a94e Mon Sep 17 00:00:00 2001 +From: Alban Bedel +Date: Tue, 1 Sep 2015 17:28:31 +0200 +Subject: [PATCH] reset: Fix of_reset_control_get() for consistent return + values + +When of_reset_control_get() is called without connection ID it returns +-ENOENT when the 'resets' property doesn't exists or is an empty entry. +However when a connection ID is given it returns -EINVAL when the 'resets' +property doesn't exists or the requested name can't be found. This is +because the error code returned by of_property_match_string() is just +passed down as an index to of_parse_phandle_with_args(), which then +returns -EINVAL. + +To get a consistent return value with both code paths we must return +-ENOENT when of_property_match_string() fails. + +Signed-off-by: Alban Bedel +Signed-off-by: Philipp Zabel +--- + drivers/reset/core.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/reset/core.c b/drivers/reset/core.c +index 81ae17d..77cfc49 100644 +--- a/drivers/reset/core.c ++++ b/drivers/reset/core.c +@@ -215,9 +215,12 @@ struct reset_control *of_reset_control_get(struct device_node *node, + { + int index = 0; + +- if (id) ++ if (id) { + index = of_property_match_string(node, + "reset-names", id); ++ if (index < 0) ++ return ERR_PTR(-ENOENT); ++ } + return of_reset_control_get_by_index(node, index); + } + EXPORT_SYMBOL_GPL(of_reset_control_get); -- cgit v1.2.3