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EDAC: Introduce an mci_for_each_dimm() iterator

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Introduce an mci_for_each_dimm() iterator. It returns a pointer to
a struct dimm_info. This makes the declaration and use of an index
obsolete and avoids access to internal data of struct mci (direct array
access etc).

 [ bp: push the struct dimm_info *dimm; declaration into the
   CONFIG_EDAC_DEBUG block. ]

Signed-off-by: Robert Richter <rrichter@marvell.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: "linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/20191106093239.25517-4-rrichter@marvell.com
This commit is contained in:
Robert Richter 2019-11-06 09:33:07 +00:00 • committed by Borislav Petkov
parent 977b1ce7c1
commit c498afaf7d
5 changed files with 40 additions and 37 deletions
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7
include/linux/edac.h
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@ -599,6 +599,13 @@ struct mem_ctl_info {
u16 fake_inject_count;
};
#define mci_for_each_dimm(mci, dimm) \
for ((dimm) = (mci)->dimms[0]; \
(dimm); \
(dimm) = (dimm)->idx + 1 < (mci)->tot_dimms \
? (mci)->dimms[(dimm)->idx + 1] \
: NULL)
/**
* edac_get_dimm_by_index - Get DIMM info at @index from a memory
* controller