Messages in this thread Patch in this message | | | From | Jacopo Mondi <> | Subject | [PATCH v5 02/10] pinctrl: generic: Add macros to unpack properties | Date | Thu, 27 Apr 2017 10:19:46 +0200 |
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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@jmondi.org> --- 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
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