linux-kernel - [PATCH] amd64_edac: Correct erratum 505 range

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Date:	Sat, 24 Aug 2013 11:25:00 +0200
From:	Borislav Petkov <bp@...e.de>
To:	x86-ml <x86@...nel.org>
Cc:	Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] amd64_edac: Correct erratum 505 range

Basically we want to cover all 0x0-0xf models, i.e. Orochi and later.

Cc: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>
Link: http://lkml.kernel.org/r/20130819192321.GF4165@pd.tnic
Signed-off-by: Borislav Petkov <bp@...e.de>
---

Hey guys,

I've got one more patch which needs to go to tip/x86/ras for 3.12. It
was not worth it IMO to send a pull request for a single patch so please
apply.

Thanks.

 drivers/edac/amd64_edac.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index b86228cce672..6952d432e62b 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -206,8 +206,8 @@ static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 bw)
 	if (pvt->fam == 0xf)
 		min_scrubrate = 0x0;
 
-	/* Erratum #505 for F15h Model 0x00 - Model 0x01, Stepping 0 */
-	if (pvt->fam == 0x15 && pvt->model <= 0x01 && pvt->stepping < 0x1)
+	/* Erratum #505 */
+	if (pvt->fam == 0x15 && pvt->model < 0x10)
 		f15h_select_dct(pvt, 0);
 
 	return __amd64_set_scrub_rate(pvt->F3, bw, min_scrubrate);
@@ -219,8 +219,8 @@ static int amd64_get_scrub_rate(struct mem_ctl_info *mci)
 	u32 scrubval = 0;
 	int i, retval = -EINVAL;
 
-	/* Erratum #505 for F15h Model 0x00 - Model 0x01, Stepping 0 */
-	if (pvt->fam == 0x15 && pvt->model <= 0x01 && pvt->stepping < 0x1)
+	/* Erratum #505 */
+	if (pvt->fam == 0x15 && pvt->model < 0x10)
 		f15h_select_dct(pvt, 0);
 
 	amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval);
-- 
1.8.4.rc3


-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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