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SubjectRe: [PATCH Resend 1/2] ARC: [nsimosci] Change .dts to use generic 8250 UART
Date
For Stable 3.10, 3.12, 3.13, 3.14

mainline commit 6eda477b3c54b8236868c8784e5e042ff14244f0

Thx,
-Vineet

On Saturday 05 April 2014 06:39 PM, Vineet Gupta wrote:
> From: Mischa Jonker <mjonker@synopsys.com>
>
> 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@synopsys.com>
> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
> Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.13, 3.14
> Cc: Francois Bedard <Francois.Bedard@synopsys.com>
> ---
> arch/arc/boot/dts/nsimosci.dts | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
> index ea16d782af58..8bd238c34c7d 100644
> --- 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 {



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