diff mbox series

[v3,03/12] pci: Enable PCI_MAP_SYSTEM_MEMORY when ARCH_MAP_SYSMEM is not set

Message ID 20240517-boston-v3-3-1ea7d23f4a1d@flygoat.com
State New
Delegated to: Daniel Schwierzeck
Headers show
Series MIPS: Boston: Various enhancements | expand

Commit Message

Jiaxun Yang May 17, 2024, 6:14 p.m. UTC 
For MIPS we are always looking gd->dram in virtual address so
PCI_MAP_SYSTEM_MEMORY should always be enabled.

If in future we ever want to make it physical we have to set
ARCH_MAP_SYSMEM.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
 drivers/pci/Kconfig | 1 +
 1 file changed, 1 insertion(+)

Comments

Daniel Schwierzeck May 19, 2024, 5:58 p.m. UTC | #1 
On 5/17/24 20:14, Jiaxun Yang wrote:
> For MIPS we are always looking gd->dram in virtual address so
> PCI_MAP_SYSTEM_MEMORY should always be enabled.
> 
> If in future we ever want to make it physical we have to set
> ARCH_MAP_SYSMEM.
> 
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> ---
>   drivers/pci/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
> 

Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff mbox series

Patch

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 289d1deb38b6..14f6067fa29b 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -67,6 +67,7 @@  config PCI_CONFIG_HOST_BRIDGE
 config PCI_MAP_SYSTEM_MEMORY
 	bool "Map local system memory from a virtual base address"
 	depends on MIPS
+	default y if !ARCH_MAP_SYSMEM
 	help
 	  Say Y if base address of system memory is being used as a virtual address
 	  instead of a physical address (e.g. on MIPS). The PCI core will then remap