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21768639be
linux/drivers/edac
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Peter Tyser 21768639be edac: mpc85xx mask ecc syndrome correctly 
With a 64-bit wide data bus only the lowest 8-bits of the ECC syndrome are
relevant.  With a 32-bit wide data bus only the lowest 16-bits are
relevant on most architectures.

Without this change, the ECC syndrome displayed can be mildly confusing,
eg:

  EDAC MPC85xx MC1: syndrome: 0x25252525

When in reality the ECC syndrome is 0x25.

A variety of Freescale manuals say a variety of different things about how
to decode the CAPTURE_ECC (syndrome) register.  I don't have a system with
a 32-bit bus to test on, but I believe the change is correct.  It'd be
good to get an ACK from someone at Freescale about this change though.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Dave Jiang <djiang@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-03-12 15:52:40 -08:00
..
amd64_edac_dbg.c x86, mce: pass mce info to EDAC for decoding 2009-09-14 18:59:17 +02:00
amd64_edac_inj.c amd64_edac: beef up DRAM error injection 2009-10-07 16:51:28 +02:00
amd64_edac.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp 2010-03-03 09:25:37 -08:00
amd64_edac.h amd64_edac: Simplify ECC override handling 2010-03-01 19:25:12 +01:00
amd76x_edac.c edac: fix module initialization on several modules 2nd time 2008-04-29 08:06:26 -07:00
amd8111_edac.c edac: add edac_device_alloc_index() 2009-06-18 13:03:56 -07:00
amd8111_edac.h edac: AMD8111 driver header file 2009-04-02 19:05:03 -07:00
amd8131_edac.c edac: AMD8111 & AMD8131 use dev_name() 2009-05-29 08:40:03 -07:00
amd8131_edac.h edac: AMD8131 driver header file 2009-04-02 19:05:03 -07:00
cell_edac.c edac: add missing __devexit_p() 2009-06-18 13:03:57 -07:00
cpc925_edac.c edac: fix resource size calculation 2009-09-24 07:21:04 -07:00
e7xxx_edac.c edac: fix module initialization on several modules 2nd time 2008-04-29 08:06:26 -07:00
e752x_edac.c trivial: fix typos s/paramter/parameter/ and s/excute/execute/ in documentation and source comments. 2009-06-12 18:01:46 +02:00
edac_core.h edac: add memory types strings for debugging 2009-12-07 19:14:31 +01:00
edac_device_sysfs.c Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
edac_device.c edac: core: remove completion-wait for complete with rcu_barrier 2009-09-24 07:21:05 -07:00
edac_mc_sysfs.c Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
edac_mc.c edac: add memory types strings for debugging 2009-12-07 19:14:31 +01:00
edac_mce_amd.c edac, mce, amd: silence GART TLB errors 2009-12-16 17:48:39 +01:00
edac_mce_amd.h EDAC, AMD: carve out MCi_STATUS decoding 2009-09-14 19:01:07 +02:00
edac_module.c Driver core: change sysdev classes to use dynamic kobject names 2008-01-24 20:40:40 -08:00
edac_module.h edac: remove unneeded functions and add static accessor 2008-04-29 08:06:26 -07:00
edac_pci_sysfs.c Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
edac_pci.c edac: core: remove completion-wait for complete with rcu_barrier 2009-09-24 07:21:05 -07:00
edac_stub.c drivers/edac: code tidying on export-gpl 2007-07-19 10:04:57 -07:00
i3000_edac.c edac: fix module initialization on several modules 2nd time 2008-04-29 08:06:26 -07:00
i3200_edac.c edac: i3200 memory controller driver 2009-09-24 07:21:04 -07:00
i5000_edac.c edac: i5000_edac critical fix panic out of bounds 2010-01-16 12:15:38 -08:00
i5100_edac.c edac: i5100 add 6 ranks per channel 2009-12-16 07:20:12 -08:00
i5400_edac.c edac: i5400 fix csrow mapping 2009-10-29 07:39:30 -07:00
i82443bxgx_edac.c edac: make i82443bxgx_edac coexist with intel_agp 2008-10-16 11:21:48 -07:00
i82860_edac.c edac: fix module initialization on several modules 2nd time 2008-04-29 08:06:26 -07:00
i82875p_edac.c pci: use pci_ioremap_bar() in drivers/edac 2009-01-06 15:59:30 -08:00
i82975x_edac.c edac: fix module initialization on several modules 2nd time 2008-04-29 08:06:26 -07:00
Kconfig x86: EDAC: carve out AMD MCE decoding logic 2009-10-02 15:42:19 +02:00
Makefile x86: EDAC: carve out AMD MCE decoding logic 2009-10-02 15:42:19 +02:00
mpc85xx_edac.c edac: mpc85xx mask ecc syndrome correctly 2010-03-12 15:52:40 -08:00
mpc85xx_edac.h edac: mpc85xx mask ecc syndrome correctly 2010-03-12 15:52:40 -08:00
mv64x60_edac.c edac: fix resource size calculation 2009-09-24 07:21:04 -07:00
mv64x60_edac.h drivers-edac: add marvell mv64x60 driver 2008-02-07 08:42:23 -08:00
pasemi_edac.c pasemi_edac needs to include linux/edac.h 2008-04-29 19:06:57 -07:00
ppc4xx_edac.c edac: new ppc4xx driver module 2009-04-02 19:05:03 -07:00
ppc4xx_edac.h edac: new ppc4xx driver module 2009-04-02 19:05:03 -07:00
r82600_edac.c edac: fix module initialization on several modules 2nd time 2008-04-29 08:06:26 -07:00
x38_edac.c edac: x38 fix mchbar high register addr 2009-07-29 19:10:34 -07:00