[PATCH 07/14] fdt: Add function to read boolean property
From: Simon Glass <hidden>
Date: 2012-10-26 02:31:04
Also in:
u-boot
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
From: Gabe Black <redacted> Signed-off-by: Vincent Palatin <redacted> Commit-Ready: Vincent Palatin [off-list ref] Commit-Ready: Gabe Black [off-list ref] Signed-off-by: Simon Glass <redacted> --- include/fdtdec.h | 10 ++++++++++ lib/fdtdec.c | 14 ++++++++++++++ 2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 3f1840c..82fdb99 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h@@ -408,6 +408,16 @@ int fdtdec_get_config_int(const void *blob, const char *prop_name, int default_val); /** + * Look in the FDT for a config item with the given name + * and return whether it exists. + * + * @param blob FDT blob + * @param prop_name property name to look up + * @return 1, if it exists, or 0 if not + */ +int fdtdec_get_config_bool(const void *blob, const char *prop_name); + +/** * Look in the FDT for a config item with the given name and return its value * as a string. *
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index efe9afe..fbb2827 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c@@ -524,6 +524,20 @@ int fdtdec_get_config_int(const void *blob, const char *prop_name, return fdtdec_get_int(blob, config_node, prop_name, default_val); } +int fdtdec_get_config_bool(const void *blob, const char *prop_name) +{ + int config_node; + const void *prop; + + debug("%s: %s\n", __func__, prop_name); + config_node = fdt_path_offset(blob, "/config"); + if (config_node < 0) + return 0; + prop = fdt_get_property(blob, config_node, prop_name, NULL); + + return prop != NULL; +} + char *fdtdec_get_config_string(const void *blob, const char *prop_name) { const char *nodep;
--
1.7.7.3