On Thursday, June 16, 2016 02:09:38 PM Hoan Tran wrote:
> Exports pcc_mbox_request_channel() and pcc_mbox_free_channel()
> declarations into a pcc.h header file.
>
> v2
> * Introduce pcc.h header file for pcc client methods
>
> v1
> * Initial
>
> Signed-off-by: Hoan Tran <hotran@xxxxxxx>
Ashwin, Prakash, any comments anyone?
> ---
> include/acpi/cppc_acpi.h | 7 +------
> include/acpi/pcc.h | 29 +++++++++++++++++++++++++++++
> 2 files changed, 30 insertions(+), 6 deletions(-)
> create mode 100644 include/acpi/pcc.h
>
> diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
> index 259683a..ab1da43 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. */
> @@ -131,8 +130,4 @@ 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 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 */
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
