Introduce a Kconfig option for the ARM SMMUv1 and SMMUv2 driver.
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org> Acked-by: Julien Grall <julien.grall@arm.com> Acked-by: Jan Beulich <jbeulich@suse.com> CC: jbeulich@suse.com
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Changes in v3:
- rename SMMUv2 to ARM_SMMU
- improve help message
- use if ARM
Changes in v2:
- rename HAS_SMMUv2 to SMMUv2
- move SMMUv2 to xen/drivers/passthrough/Kconfig