diff options
| author | Hoan Tran <hotran@apm.com> | 2016-06-16 23:09:38 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-06-25 02:53:37 +0200 |
| commit | 866ae696e26ee2b1fa0d04e67d6dafc477543fd6 (patch) | |
| tree | 8b705424b3d8c0781c69de6b8fac172cd17de095 | |
| parent | ACPI / CPPC: Prevent cpc_desc_ptr points to the invalid data (diff) | |
| download | linux-866ae696e26ee2b1fa0d04e67d6dafc477543fd6.tar.xz linux-866ae696e26ee2b1fa0d04e67d6dafc477543fd6.zip | |
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>
| -rw-r--r-- | include/acpi/cppc_acpi.h | 7 | ||||
| -rw-r--r-- | include/acpi/pcc.h | 29 |
2 files changed, 30 insertions, 6 deletions
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h index dad8af3ebeb5..284965cbc9af 100644 --- a/include/acpi/cppc_acpi.h +++ b/include/acpi/cppc_acpi.h @@ -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*/ diff --git a/include/acpi/pcc.h b/include/acpi/pcc.h new file mode 100644 index 000000000000..17a940a14477 --- /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 */ |