diff options
| author | Bjorn Helgaas <[email protected]> | 2015-08-20 00:08:15 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <[email protected]> | 2015-08-20 17:16:37 -0500 |
| commit | 45ea2a5fed6dacb9bb0558d8b21eacc1c45d5bb4 (patch) | |
| tree | afc4d5833b68df407dff1f448c190503894ac52b | |
| parent | b35b1df5e6c213b0b0322e6c231b7111efe4a390 (diff) | |
PCI: Don't use 64-bit bus addresses on PA-RISC
Meelis and Helge reported that 3a9ad0b4fdcd ("PCI: Add pci_bus_addr_t")
caused HPMCs on A500 and hangs on rp5470.
PA-RISC does not set ARCH_DMA_ADDR_T_64BIT, even for 64-bit kernels, so
prior to 3a9ad0b4fdcd, we always used 32-bit PCI addresses. After
3a9ad0b4fdcd, we do use 64-bit PCI addresses in 64-bit kernels, and
apparently there's some PA-RISC problem related to them.
Fixes: 3a9ad0b4fdcd ("PCI: Add pci_bus_addr_t")
Link: http://lkml.kernel.org/r/[email protected]
Reported-by: Meelis Roos <[email protected]>
Reported-by: Helge Deller <[email protected]>
Tested-by: Helge Deller <[email protected]>
Based-on-idea-by: Yinghai Lu <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Acked-by: Yinghai Lu <[email protected]>
CC: [email protected] # v3.19+
| -rw-r--r-- | drivers/pci/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 73de4efcbe6e..944f50015ed0 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -2,7 +2,7 @@ # PCI configuration # config PCI_BUS_ADDR_T_64BIT - def_bool y if (ARCH_DMA_ADDR_T_64BIT || 64BIT) + def_bool y if (ARCH_DMA_ADDR_T_64BIT || (64BIT && !PARISC)) depends on PCI config PCI_MSI |