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26 lines
651 B
26 lines
651 B
/* 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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