diff mbox

arm64: dts: apq8096-db820c: disable uart0 by default

Message ID 20180612144806.19201-1-srinivas.kandagatla@linaro.org (mailing list archive)
State Accepted, archived
Delegated to: Andy Gross
Headers show

Commit Message

Srinivas Kandagatla June 12, 2018, 2:48 p.m. UTC
Access to UART0 is disabled by bootloaders. By leaving it enabled by
default would reboot the board.
Disable this for now, this would alteast give a board which boots.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Bjorn Andersson June 12, 2018, 3:49 p.m. UTC | #1
On Tue 12 Jun 07:48 PDT 2018, Srinivas Kandagatla wrote:

> Access to UART0 is disabled by bootloaders. By leaving it enabled by
> default would reboot the board.
> Disable this for now, this would alteast give a board which boots.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

> ---
>  arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> index 0f829db33efe..4d5ef01f43a3 100644
> --- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> +++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
> @@ -75,7 +75,7 @@
>  
>  		serial@75b1000 {
>  			label = "LS-UART0";
> -			status = "okay";
> +			status = "disabled";
>  			pinctrl-names = "default", "sleep";
>  			pinctrl-0 = <&blsp2_uart2_4pins_default>;
>  			pinctrl-1 = <&blsp2_uart2_4pins_sleep>;
> -- 
> 2.16.2
> 
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Andy Gross June 13, 2018, 7:22 a.m. UTC | #2
On Tue, Jun 12, 2018 at 03:48:06PM +0100, Srinivas Kandagatla wrote:
> Access to UART0 is disabled by bootloaders. By leaving it enabled by
> default would reboot the board.
> Disable this for now, this would alteast give a board which boots.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

Thanks for this patch.  I'll queue it up for a fixes-for-rc1


Andy
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diff mbox

Patch

diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 0f829db33efe..4d5ef01f43a3 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -75,7 +75,7 @@ 
 
 		serial@75b1000 {
 			label = "LS-UART0";
-			status = "okay";
+			status = "disabled";
 			pinctrl-names = "default", "sleep";
 			pinctrl-0 = <&blsp2_uart2_4pins_default>;
 			pinctrl-1 = <&blsp2_uart2_4pins_sleep>;