This is a note to let you know that I've just added the patch titled ARC: [nsimosci] Change .dts to use generic 8250 UART to the 3.13-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: arc-change-.dts-to-use-generic-8250-uart.patch and it can be found in the queue-3.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 6eda477b3c54b8236868c8784e5e042ff14244f0 Mon Sep 17 00:00:00 2001 From: Mischa Jonker <mjonker@xxxxxxxxxxxx> Date: Thu, 16 May 2013 19:36:08 +0200 Subject: ARC: [nsimosci] Change .dts to use generic 8250 UART From: Mischa Jonker <mjonker@xxxxxxxxxxxx> commit 6eda477b3c54b8236868c8784e5e042ff14244f0 upstream. The Synopsys APB DW UART has a couple of special features that are not in the System C model. In 3.8, the 8250_dw driver didn't really use these features, but from 3.9 onwards, the 8250_dw driver has become incompatible with our model. Signed-off-by: Mischa Jonker <mjonker@xxxxxxxxxxxx> Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> Cc: Francois Bedard <Francois.Bedard@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/arc/boot/dts/nsimosci.dts | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) --- a/arch/arc/boot/dts/nsimosci.dts +++ b/arch/arc/boot/dts/nsimosci.dts @@ -11,7 +11,7 @@ / { compatible = "snps,nsimosci"; - clock-frequency = <80000000>; /* 80 MHZ */ + clock-frequency = <20000000>; /* 20 MHZ */ #address-cells = <1>; #size-cells = <1>; interrupt-parent = <&intc>; @@ -44,15 +44,14 @@ }; uart0: serial@c0000000 { - compatible = "snps,dw-apb-uart"; + compatible = "ns8250"; reg = <0xc0000000 0x2000>; interrupts = <11>; - #clock-frequency = <80000000>; clock-frequency = <3686400>; baud = <115200>; reg-shift = <2>; reg-io-width = <4>; - status = "okay"; + no-loopback-test = <1>; }; pgu0: pgu@c9000000 { Patches currently in stable-queue which might be from mjonker@xxxxxxxxxxxx are queue-3.13/arc-change-.dts-to-use-generic-8250-uart.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html