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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-23 15:02:56 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-23 15:02:56 -0700 |
| commit | 1130c55c757660ac83bd2de220f08580c56b6855 (patch) | |
| tree | 97cec72dc80737c0306d84df9c62d80f0d419d35 /include/linux/device.h | |
| parent | a65fcce75a75c0d41b938f86d09d42b6f1733309 (diff) | |
| download | lwn-1130c55c757660ac83bd2de220f08580c56b6855.tar.gz lwn-1130c55c757660ac83bd2de220f08580c56b6855.zip | |
driver core: create write-only attribute macros for devices and drivers
This creates the macros DRIVER_ATTR_WO() and DEVICE_ATTR_WO() for
write-only attributes for drivers and devices.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 26e23b22ed0a..0ed94b5f67fc 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -277,6 +277,8 @@ struct driver_attribute { struct driver_attribute driver_attr_##_name = __ATTR_RW(_name) #define DRIVER_ATTR_RO(_name) \ struct driver_attribute driver_attr_##_name = __ATTR_RO(_name) +#define DRIVER_ATTR_WO(_name) \ + struct driver_attribute driver_attr_##_name = __ATTR_WO(_name) extern int __must_check driver_create_file(struct device_driver *driver, const struct driver_attribute *attr); @@ -534,6 +536,8 @@ ssize_t device_store_bool(struct device *dev, struct device_attribute *attr, struct device_attribute dev_attr_##_name = __ATTR_RW(_name) #define DEVICE_ATTR_RO(_name) \ struct device_attribute dev_attr_##_name = __ATTR_RO(_name) +#define DEVICE_ATTR_WO(_name) \ + struct device_attribute dev_attr_##_name = __ATTR_WO(_name) #define DEVICE_ULONG_ATTR(_name, _mode, _var) \ struct dev_ext_attribute dev_attr_##_name = \ { __ATTR(_name, _mode, device_show_ulong, device_store_ulong), &(_var) } |