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Commit 866ae696 authored by Hoan Tran's avatar Hoan Tran Committed by Rafael J. Wysocki
Browse files

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: default avatarHoan Tran <hotran@apm.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 2324d154

include/acpi/cppc_acpi.h

+1 −6
Original line number Diff line number Diff line
@@ -15,10 +15,9 @@ 
#define _CPPC_ACPI_H



#include <linux/acpi.h>

#include <linux/mailbox_controller.h>

#include <linux/mailbox_client.h>

#include <linux/types.h>



#include <acpi/pcc.h>

#include <acpi/processor.h>



/* Only support CPPCv2 for now. */
@@ -130,8 +129,4 @@ extern int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls); 
extern int cppc_get_perf_caps(int cpu, struct cppc_perf_caps *caps);

extern int acpi_get_psd_map(struct cpudata **);



/* Methods to interact with the PCC mailbox controller. */

extern struct mbox_chan *

	pcc_mbox_request_channel(struct mbox_client *, unsigned int);



#endif /* _CPPC_ACPI_H*/

include/acpi/pcc.h

0 → 100644
+29 −0
Original line number Diff line number Diff line 
/*

 * 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 */