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authorGrant Likely <grant.likely@linaro.org>2014-02-20 18:02:11 +0000
committerGrant Likely <grant.likely@linaro.org>2014-03-11 20:48:26 +0000
commit75b57ecf9d1d1e17d099ab13b8f48e6e038676be (patch)
tree1fcf03dae1722cf5c7917023a404958be2bce036 /drivers/of/testcase-data
parentdab2310d9d90eded48625c5382c6a60389bf8ca9 (diff)
of: Make device nodes kobjects so they show up in sysfs
Device tree nodes are already treated as objects, and we already want to expose them to userspace which is done using the /proc filesystem today. Right now the kernel has to do a lot of work to keep the /proc view in sync with the in-kernel representation. If device_nodes are switched to be kobjects then the device tree code can be a whole lot simpler. It also turns out that switching to using /sysfs from /proc results in smaller code and data size, and the userspace ABI won't change if /proc/device-tree symlinks to /sys/firmware/devicetree/base. v7: Add missing sysfs_bin_attr_init() v6: Add __of_add_property() early init fixes from Pantelis v5: Rename firmware/ofw to firmware/devicetree Fix updating property values in sysfs v4: Fixed build error on Powerpc Fixed handling of dynamic nodes on powerpc v3: Fixed handling of duplicate attribute and child node names v2: switch to using sysfs bin_attributes which solve the problem of reporting incorrect property size. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: David S. Miller <davem@davemloft.net> Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
Diffstat (limited to 'drivers/of/testcase-data')
-rw-r--r--drivers/of/testcase-data/tests-phandle.dtsi3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/of/testcase-data/tests-phandle.dtsi b/drivers/of/testcase-data/tests-phandle.dtsi
index 0007d3cd7dc2..788a4c24b8f5 100644
--- a/drivers/of/testcase-data/tests-phandle.dtsi
+++ b/drivers/of/testcase-data/tests-phandle.dtsi
@@ -1,6 +1,9 @@
/ {
testcase-data {
+ security-password = "password";
+ duplicate-name = "duplicate";
+ duplicate-name { };
phandle-tests {
provider0: provider0 {
#phandle-cells = <0>;