Add PIN_CONF_UNPACK_PARAM and PIN_CONF_UNPACK_ARGS macros useful to
unpack generic properties and their arguments
Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
---
include/linux/pinctrl/pinconf-generic.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 279e3c5..2cd2a03 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -118,7 +118,9 @@ enum pin_config_param {
/*
* Helpful configuration macro to be used in tables etc.
*/
-#define PIN_CONF_PACKED(p, a) ((a << 8) | ((unsigned long) p & 0xffUL))
+#define PIN_CONF_PACKED(p, a) (((a) << 8) | ((unsigned long) (p) & 0xffUL))
+#define PIN_CONF_UNPACK_PARAM(c) ((c) & 0xffUL)
+#define PIN_CONF_UNPACK_ARGS(c) ((c) >> 8)
/*
* The following inlines stuffs a configuration parameter and data value
--
2.7.4
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
