Add delay before RockPro64 PCIe bus scan as a workaround for some devices
causing a crash like many LSI SAS controller based RAID controllers and
host bus adapters.
As a side effect this slows down system startup by the amount of delay
even with devices that don't need the delay to work.
Signed-off-by: Jari Hämäläinen <nuumiofi@xxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
index 6e553ff47534..256c357c069e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
@@ -546,6 +546,7 @@ &pcie0 {
num-lanes = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pcie_perst>;
+ rockchip,bus-scan-delay-ms = <1100>;
vpcie12v-supply = <&vcc12v_dcin>;
vpcie3v3-supply = <&vcc3v3_pcie>;
status = "okay";
--
2.29.2
