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authorJason Gunthorpe <jgg@nvidia.com>2020-11-17 15:20:26 -0400
committerJason Gunthorpe <jgg@nvidia.com>2020-11-17 15:20:26 -0400
commitbf3b7b7ba9e3db55d164ec7bf05e6947f79637cd (patch)
tree7de81ebc8339c2a985b2af0e360368e281564c93 /include/linux/cpufreq.h
parent8a7904a672a1d33c848e5129f886ee69e0773a2e (diff)
parentdabbd6abcdbeb1358a53ec28a244429320eb0e3a (diff)
Merge branch 'for-rc' into rdma.git
From https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git The rc RDMA branch is needed due to dependencies on the next patches. Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/linux/cpufreq.h')
-rw-r--r--include/linux/cpufreq.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index fa37b1c66443..1eaa04f1bae6 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -298,7 +298,7 @@ __ATTR(_name, 0644, show_##_name, store_##_name)
struct cpufreq_driver {
char name[CPUFREQ_NAME_LEN];
- u8 flags;
+ u16 flags;
void *driver_data;
/* needed by all drivers */
@@ -422,9 +422,18 @@ struct cpufreq_driver {
*/
#define CPUFREQ_IS_COOLING_DEV BIT(7)
+/*
+ * Set by drivers that need to update internale upper and lower boundaries along
+ * with the target frequency and so the core and governors should also invoke
+ * the diver if the target frequency does not change, but the policy min or max
+ * may have changed.
+ */
+#define CPUFREQ_NEED_UPDATE_LIMITS BIT(8)
+
int cpufreq_register_driver(struct cpufreq_driver *driver_data);
int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
+bool cpufreq_driver_test_flags(u16 flags);
const char *cpufreq_get_current_driver(void);
void *cpufreq_get_driver_data(void);