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27 lines
651 B
27 lines
651 B
4 months ago
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* PCC (Platform Communications Channel) methods
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*/
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#ifndef _PCC_H
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#define _PCC_H
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#include <linux/mailbox_controller.h>
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#include <linux/mailbox_client.h>
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#define MAX_PCC_SUBSPACES 256
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#ifdef CONFIG_PCC
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extern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
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int subspace_id);
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extern void pcc_mbox_free_channel(struct mbox_chan *chan);
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#else
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static inline struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
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int subspace_id)
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{
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return ERR_PTR(-ENODEV);
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}
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static inline void pcc_mbox_free_channel(struct mbox_chan *chan) { }
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#endif
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#endif /* _PCC_H */
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