[PATCH v5 02/10] pinctrl: generic: Add macros to unpack properties
From: Jacopo Mondi <hidden>
Date: 2017-04-27 08:20:40
Also in:
linux-gpio, linux-renesas-soc, lkml
Subsystem:
pin control subsystem, the rest · Maintainers:
Linus Walleij, Linus Torvalds
Add PIN_CONF_UNPACK_PARAM and PIN_CONF_UNPACK_ARGS macros useful to unpack generic properties and their arguments Signed-off-by: Jacopo Mondi <redacted> --- 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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