From: "Luis R. Rodriguez" <[email protected]> This backports the following commit:
commit 3493f69f4c4e8703961919a9a56c2d2e6a25b46f Author: Oliver Schinagl <[email protected]> Date: Sun Jul 14 16:05:59 2013 -0700 sysfs: add more helper macro's for (bin_)attribute(_groups) With the recent changes to sysfs there's various helper macro's. However there's no RW, RO BIN_ helper macro's. This patch adds them. Signed-off-by: Oliver Schinagl <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Luis R. Rodriguez <[email protected]> --- backport/backport-include/linux/sysfs.h | 50 +++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/backport/backport-include/linux/sysfs.h b/backport/backport-include/linux/sysfs.h index a2ef73f..f71caac 100644 --- a/backport/backport-include/linux/sysfs.h +++ b/backport/backport-include/linux/sysfs.h @@ -2,6 +2,7 @@ #define __BACKPORT_LINUX_SYSFS_H #include_next <linux/sysfs.h> #include <linux/version.h> +#include <linux/stat.h> #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34) #ifdef CONFIG_DEBUG_LOCK_ALLOC @@ -31,4 +32,53 @@ do { \ #endif #endif +#if LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0) + +#define __ATTRIBUTE_GROUPS(_name) \ +static const struct attribute_group *_name##_groups[] = { \ + &_name##_group, \ + NULL, \ +} + +#define ATTRIBUTE_GROUPS(_name) \ +static const struct attribute_group _name##_group = { \ + .attrs = _name##_attrs, \ +}; \ +__ATTRIBUTE_GROUPS(_name) + +/* macros to create static binary attributes easier */ +#define __BIN_ATTR(_name, _mode, _read, _write, _size) { \ + .attr = { .name = __stringify(_name), .mode = _mode }, \ + .read = _read, \ + .write = _write, \ + .size = _size, \ +} + +#define __BIN_ATTR_RO(_name, _size) { \ + .attr = { .name = __stringify(_name), .mode = S_IRUGO }, \ + .read = _name##_read, \ + .size = _size, \ +} + +#define __BIN_ATTR_RW(_name, _size) __BIN_ATTR(_name, \ + (S_IWUSR | S_IRUGO), _name##_read, \ + _name##_write) + +#define __BIN_ATTR_NULL __ATTR_NULL + +#ifndef BIN_ATTR +#define BIN_ATTR(_name, _mode, _read, _write, _size) \ +struct bin_attribute bin_attr_##_name = __BIN_ATTR(_name, _mode, _read, \ + _write, _size) +#endif + +#define BIN_ATTR_RO(_name, _size) \ +struct bin_attribute bin_attr_##_name = __BIN_ATTR_RO(_name, _size) + +#define BIN_ATTR_RW(_name, _size) \ +struct bin_attribute bin_attr_##_name = __BIN_ATTR_RW(_name, _size) + + +#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0) */ + #endif /* __BACKPORT_LINUX_SYSFS_H */ -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe backports" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
