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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-09-10 13:25:50 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-25 07:38:19 -0300
commitb70f833377fc80d7446218b36206e2e299fc6bfd (patch)
treea5efb25285eb6ffa1e0743365568d1559d52b851 /drivers/edac
parent582a899622f19005126d2858f08ee0c9dac34870 (diff)
downloadlinux-linaro-stable-b70f833377fc80d7446218b36206e2e299fc6bfd.tar.gz
i5000: Fix the memory size calculation with 2R memories
When 2R memories are found, the memory size should be multiplied by two, otherwise, it will report half of the memory size: +-----------------------------------------------+ | mc0 | | branch0 | branch1 | | channel0 | channel1 | channel0 | channel1 | -------+-----------------------------------------------+ slot3: | 0 MB | 0 MB | 0 MB | 0 MB | slot2: | 0 MB | 0 MB | 0 MB | 0 MB | -------+-----------------------------------------------+ slot1: | 0 MB | 0 MB | 0 MB | 0 MB | slot0: | 1024 MB | 1024 MB | 1024 MB | 1024 MB | -------+-----------------------------------------------+ (the above machine have 4 x 2GB 2R memories) Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/i5000_edac.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/edac/i5000_edac.c b/drivers/edac/i5000_edac.c
index 39c63757c2a1..6a49dd00b81b 100644
--- a/drivers/edac/i5000_edac.c
+++ b/drivers/edac/i5000_edac.c
@@ -1012,6 +1012,10 @@ static void handle_channel(struct i5000_pvt *pvt, int slot, int channel,
/* add the number of COLUMN bits */
addrBits += MTR_DIMM_COLS_ADDR_BITS(mtr);
+ /* Dual-rank memories have twice the size */
+ if (dinfo->dual_rank)
+ addrBits++;
+
addrBits += 6; /* add 64 bits per DIMM */
addrBits -= 20; /* divide by 2^^20 */
addrBits -= 3; /* 8 bits per bytes */