[PATCH v2 1/2] cpufreq: add new attribute type cpufreq_freq_attr_wr_perm()

From: Markus Mayer
Date: Fri Nov 04 2016 - 12:56:11 EST


From: Markus Mayer <mmayer@xxxxxxxxxxxx>

With the new attribute type, it is possible to create write-only
CPUfreq attributes.

Signed-off-by: Markus Mayer <mmayer@xxxxxxxxxxxx>
---
include/linux/cpufreq.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 5fa55fc..ed09930 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -234,6 +234,10 @@ __ATTR(_name, _perm, show_##_name, NULL)
static struct freq_attr _name = \
__ATTR(_name, 0644, show_##_name, store_##_name)

+#define cpufreq_freq_attr_wr_perm(_name, _perm) \
+static struct freq_attr _name = \
+__ATTR(_name, _perm, NULL, store_##_name)
+
struct global_attr {
struct attribute attr;
ssize_t (*show)(struct kobject *kobj,
--
2.7.4