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Yazen Ghannam
83be4bee57
Add a helper function to check if a PRM handler/module is present. This can be used during init time by code that depends on a particular handler. If the handler is not present, then the code does not need to be loaded. Signed-off-by: Yazen Ghannam <[email protected]> Signed-off-by: Borislav Petkov (AMD) <[email protected]> Reviewed-by: "Mario Limonciello (AMD)" <[email protected]> Acked-by: "Rafael J. Wysocki (Intel)" <[email protected]> Link: https://patch.msgid.link/all/[email protected]
17 lines
495 B
C
17 lines
495 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <linux/uuid.h>
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#ifdef CONFIG_ACPI_PRMT
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void init_prmt(void);
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bool acpi_prm_handler_available(const guid_t *handler_guid);
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int acpi_call_prm_handler(guid_t handler_guid, void *param_buffer);
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#else
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static inline void init_prmt(void) { }
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static inline bool acpi_prm_handler_available(const guid_t *handler_guid) { return false; }
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static inline int acpi_call_prm_handler(guid_t handler_guid, void *param_buffer)
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{
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return -EOPNOTSUPP;
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}
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#endif
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