diff options
| -rw-r--r-- | drivers/firmware/dmi_scan.c | 16 | ||||
| -rw-r--r-- | include/linux/dmi.h | 2 |
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 6f28e515fdc0..2045566d622f 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -1151,3 +1151,19 @@ u8 dmi_memdev_type(u16 handle) return 0x0; /* Not a valid value */ } EXPORT_SYMBOL_GPL(dmi_memdev_type); + +/** + * dmi_memdev_handle - get the DMI handle of a memory slot + * @slot: slot number + * + * Return the DMI handle associated with a given memory slot, or %0xFFFF + * if there is no such slot. + */ +u16 dmi_memdev_handle(int slot) +{ + if (dmi_memdev && slot >= 0 && slot < dmi_memdev_nr) + return dmi_memdev[slot].handle; + + return 0xffff; /* Not a valid value */ +} +EXPORT_SYMBOL_GPL(dmi_memdev_handle); diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 13a48b167e2d..927f8a8b7a1d 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -114,6 +114,7 @@ extern bool dmi_match(enum dmi_field f, const char *str); extern void dmi_memdev_name(u16 handle, const char **bank, const char **device); extern u64 dmi_memdev_size(u16 handle); extern u8 dmi_memdev_type(u16 handle); +extern u16 dmi_memdev_handle(int slot); #else @@ -144,6 +145,7 @@ static inline void dmi_memdev_name(u16 handle, const char **bank, const char **device) { } static inline u64 dmi_memdev_size(u16 handle) { return ~0ul; } static inline u8 dmi_memdev_type(u16 handle) { return 0x0; } +static inline u16 dmi_memdev_handle(int slot) { return 0xffff; } static inline const struct dmi_system_id * dmi_first_match(const struct dmi_system_id *list) { return NULL; } |