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authorHoan Tran <hotran@apm.com>2016-06-16 14:09:38 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-06-25 02:53:37 +0200
commit866ae696e26ee2b1fa0d04e67d6dafc477543fd6 (patch)
tree8b705424b3d8c0781c69de6b8fac172cd17de095 /include/acpi/pcc.h
parent2324d15447a9db168b1f85e3feac635b1ff8edb8 (diff)
downloadop-kernel-dev-866ae696e26ee2b1fa0d04e67d6dafc477543fd6.zip
op-kernel-dev-866ae696e26ee2b1fa0d04e67d6dafc477543fd6.tar.gz
mailbox: pcc: Add PCC request and free channel declarations
Exports pcc_mbox_request_channel() and pcc_mbox_free_channel() declarations into a pcc.h header file. Looks-good-to: Prashanth Prakash <pprakash@codeaurora.org> Signed-off-by: Hoan Tran <hotran@apm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/acpi/pcc.h')
-rw-r--r--include/acpi/pcc.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/acpi/pcc.h b/include/acpi/pcc.h
new file mode 100644
index 0000000..17a940a
--- /dev/null
+++ b/include/acpi/pcc.h
@@ -0,0 +1,29 @@
+/*
+ * PCC (Platform Communications Channel) methods
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#ifndef _PCC_H
+#define _PCC_H
+
+#include <linux/mailbox_controller.h>
+#include <linux/mailbox_client.h>
+
+#ifdef CONFIG_PCC
+extern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
+ int subspace_id);
+extern void pcc_mbox_free_channel(struct mbox_chan *chan);
+#else
+static inline struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
+ int subspace_id)
+{
+ return NULL;
+}
+static inline void pcc_mbox_free_channel(struct mbox_chan *chan) { }
+#endif
+
+#endif /* _PCC_H */
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