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

Message ID 20180612144806.19201-1-srinivas.kandagatla@linaro.org
State New
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Series
  • arm64: dts: apq8096-db820c: disable uart0 by default
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Commit Message

Srinivas Kandagatla June 12, 2018, 2:48 p.m.
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(-)

-- 
2.16.2

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Comments

Andy Gross June 13, 2018, 7:22 a.m. | #1
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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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>;