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[1/1] um: Select HAS_IOREMAP for UML_IOMEM_EMULATION

Message ID 20240403124300.65379-2-schnelle@linux.ibm.com
State New
Headers show
Series um: Handle HAS_IOPORT dependencies | expand

Commit Message

Niklas Schnelle April 3, 2024, 12:43 p.m. UTC 
In a future patch HAS_IOPORT=n will disable inb()/outb() and friends at
compile time. UML supports these via its UML_IOMEM_EMULATION so let that
select HAS_IOPORT and also reflect this in NO_IOPORT_MAP.

Co-developed-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
---
 arch/um/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index 93a5a8999b07..758016731156 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -48,12 +48,13 @@  config NO_IOMEM
 config UML_IOMEM_EMULATION
 	bool
 	select INDIRECT_IOMEM
+	select HAS_IOPORT
 	select GENERIC_PCI_IOMAP
 	select GENERIC_IOMAP
 	select NO_GENERIC_PCI_IOPORT_MAP
 
 config NO_IOPORT_MAP
-	def_bool y
+	def_bool !UML_IOMEM_EMULATION
 
 config ISA
 	bool