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authorMike Chan <mikechan@google.com>2007-02-12 09:53:06 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 18:48:32 +0100
commit84db003f249ddbcde1666376b4e3bbe9ee2c7c0c (patch)
treef2f44a1a33afbcd1d1cf8cbb4a9dcb598d736361 /drivers/edac
parent[PATCH] EDAC: e752x byte access fix (diff)
downloadlinux-84db003f249ddbcde1666376b4e3bbe9ee2c7c0c.tar.xz
linux-84db003f249ddbcde1666376b4e3bbe9ee2c7c0c.zip
[PATCH] EDAC: Fix in e752x mc driver
This fix/change returns the offset into the page for the ce/ue error, instead of just 0. The e752x dram controller reads 34:6 of the linear address with the error. Signed-off-by: Mike Chan <mikechan@google.com> Signed-off-by: doug thompson <norsk5@xmission.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/e752x_edac.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index 9abfc0dc3bae..8bcc887692ab 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -285,8 +285,9 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
if (!pvt->map_type)
row = 7 - row;
- edac_mc_handle_ce(mci, page, 0, sec1_syndrome, row, channel,
- "e752x CE");
+ /* e752x mc reads 34:6 of the DRAM linear address */
+ edac_mc_handle_ce(mci, page, offset_in_page(sec1_add << 4),
+ sec1_syndrome, row, channel, "e752x CE");
}
static inline void process_ce(struct mem_ctl_info *mci, u16 error_one,
@@ -319,8 +320,10 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
((block_page >> 1) & 3) :
edac_mc_find_csrow_by_page(mci, block_page);
- edac_mc_handle_ue(mci, block_page, 0, row,
- "e752x UE from Read");
+ /* e752x mc reads 34:6 of the DRAM linear address */
+ edac_mc_handle_ue(mci, block_page,
+ offset_in_page(error_2b << 4),
+ row, "e752x UE from Read");
}
if (error_one & 0x0404) {
error_2b = scrb_add;
@@ -333,8 +336,10 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
((block_page >> 1) & 3) :
edac_mc_find_csrow_by_page(mci, block_page);
- edac_mc_handle_ue(mci, block_page, 0, row,
- "e752x UE from Scruber");
+ /* e752x mc reads 34:6 of the DRAM linear address */
+ edac_mc_handle_ue(mci, block_page,
+ offset_in_page(error_2b << 4),
+ row, "e752x UE from Scruber");
}
}