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EDAC: Add routine to check if MC devices list is empty

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We need to know if any MC devices have been allocated.

Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1485537863-2707-7-git-send-email-Yazen.Ghannam@amd.com
[ Prettify text. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Yazen Ghannam
2017-01-27 11:24:21 -06:00
committed by Borislav Petkov
parent df64636fa4
commit d7fc9d77ac
2 changed files with 23 additions and 0 deletions
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9
drivers/edac/edac_mc.h
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@@ -148,6 +148,15 @@ extern int edac_mc_add_mc_with_groups(struct mem_ctl_info *mci,
*/
extern void edac_mc_free(struct mem_ctl_info *mci);
/**
* edac_has_mcs() - Check if any MCs have been allocated.
*
* Returns:
* True if MC instances have been registered successfully.
* False otherwise.
*/
extern bool edac_has_mcs(void);
/**
* edac_mc_find() - Search for a mem_ctl_info structure whose index is @idx.
*