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Grant Grundler b312c33e36 [PARISC] Document that we tolerate "Relaxed Ordering" 
This means "DMA Read returns" can bypass "MMIO Writes".
Violating the PCI specs in this case improves outbound DMA "flows"
and is currently not required by any drivers.

This is NOT a new behavior. Previous chipsets did this
already and I believe ZX1 PDC was already setting this
for hpux. I just want to further document the behavior.

Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2006-04-21 22:20:33 +00:00
..
asp.c [PARISC] Convert parisc_device to use struct resource for hpa 2005-10-21 22:36:40 -04:00
ccio-dma.c [PARISC] I/O-Space must be ioremap_nocache()'d 2006-03-30 17:48:42 +00:00
ccio-rm-dma.c [PARISC] Convert parisc_device to use struct resource for hpa 2005-10-21 22:36:40 -04:00
dino.c [PARISC] I/O-Space must be ioremap_nocache()'d 2006-03-30 17:48:42 +00:00
eisa_eeprom.c [PARISC] Add __user annotation to eisa_eeprom.c 2006-01-10 21:51:18 -05:00
eisa_enumerator.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
eisa.c [PARISC] I/O-Space must be ioremap_nocache()'d 2006-03-30 17:48:42 +00:00
gsc.c [PARISC] Convert parisc_device tree to use struct device klists 2005-10-21 22:33:38 -04:00
gsc.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
hppb.c [PARISC] Use kzalloc and other janitor-style cleanups 2006-01-22 20:26:31 -05:00
iommu-helpers.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iosapic_private.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iosapic.c [PARISC] I/O-Space must be ioremap_nocache()'d 2006-03-30 17:48:42 +00:00
Kconfig Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
lasi.c [PARISC] Add chassis_power_off routine 2006-01-22 20:26:50 -05:00
lba_pci.c [PARISC] I/O-Space must be ioremap_nocache()'d 2006-03-30 17:48:42 +00:00
led.c [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
Makefile Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pdc_stable.c [PARISC] Misc. janitorial work 2006-04-21 22:20:32 +00:00
power.c [PATCH] Notifier chain update: API changes 2006-03-27 08:44:50 -08:00
README.dino Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sba_iommu.c [PARISC] Document that we tolerate "Relaxed Ordering" 2006-04-21 22:20:33 +00:00
superio.c [PARISC] Misc. janitorial work 2006-04-21 22:20:32 +00:00
wax.c [PARISC] Use kzalloc and other janitor-style cleanups 2006-01-22 20:26:31 -05:00

README.dino 

/*
** HP VISUALIZE Workstation PCI Bus Defect
**
** "HP has discovered a potential system defect that can affect
** the behavior of five models of HP VISUALIZE workstations when
** equipped with third-party or customer-installed PCI I/O expansion
** cards. The defect is limited to the HP C180, C160, C160L, B160L,
** and B132L VISUALIZE workstations, and will only be encountered
** when data is transmitted through PCI I/O expansion cards on the
** PCI bus. HP-supplied graphics cards that utilize the PCI bus are
** not affected."
**
** REVISIT: "go/pci_defect" link below is stale.
**	HP Internal can use <http://hpfcdma.fc.hp.com:80/Dino/>
**
**	Product		First Good Serial Number
**  C200/C240 (US)	US67350000
**B132L+/B180 (US)	US67390000
**   C200 (Europe)	3713G01000
**  B180L (Europe)	3720G01000
**
** Note that many boards were fixed/replaced under a free replacement
** program. Assume a machine is only "suspect" until proven otherwise.
**
** "The pci_check program will also be available as application
**  patch PHSS_12295"
*/