[PATCH 6/6] arm: Allow to enable PCI_DOMAINS manually

From: Jan Kiszka
Date: Tue Apr 24 2018 - 11:31:07 EST

From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>

Required when running over Jailhouse, and there is already a physical
host controller that Jailhouse does not intercept and rather adds a
virtual one. That is the case for the Tegra TK1, e.g.

Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
arch/arm/Kconfig | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a7f8e7f4b88f..5f8190cb057d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1248,8 +1248,13 @@ config PCI
VESA. If you have PCI, say Y, otherwise N.

- bool
+ bool "Support for multiple PCI domains"
depends on PCI
+ help
+ Automatically enabled if the platform supports multiple PCI host
+ controllers. Say Y if running over a hypervisor like Jailhouse that
+ dynamically adds further host controllers while the system is
+ running. Say N otherwise.

def_bool PCI_DOMAINS