For some reason we use ns8250 UART compatible on UP HAPS configuration and ns16550a (which is ns8250 with FIFO support) on SMP HAPS configuration. Given that we have same UART IP with same IP configuration on both HAPS configuration use ns16550a compatible everywhere. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx> --- arch/arc/boot/dts/haps_hs.dts | 2 +- arch/arc/boot/dts/haps_hs_idu.dts | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arc/boot/dts/haps_hs.dts b/arch/arc/boot/dts/haps_hs.dts index 44bc522fdec8..11fad2f79056 100644 --- a/arch/arc/boot/dts/haps_hs.dts +++ b/arch/arc/boot/dts/haps_hs.dts @@ -47,7 +47,7 @@ }; uart0: serial@f0000000 { - compatible = "ns8250"; + compatible = "ns16550a"; reg = <0xf0000000 0x2000>; interrupts = <24>; clock-frequency = <50000000>; diff --git a/arch/arc/boot/dts/haps_hs_idu.dts b/arch/arc/boot/dts/haps_hs_idu.dts index 4d6971cf5f9f..738c76cd07b3 100644 --- a/arch/arc/boot/dts/haps_hs_idu.dts +++ b/arch/arc/boot/dts/haps_hs_idu.dts @@ -54,7 +54,6 @@ }; uart0: serial@f0000000 { - /* compatible = "ns8250"; Doesn't use FIFOs */ compatible = "ns16550a"; reg = <0xf0000000 0x2000>; interrupt-parent = <&idu_intc>; -- 2.21.0 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc