* [PATCH] arm64: dts: add baud rate to Juno stdout-path
@ 2015-01-22 11:21 Robin Murphy
[not found] ` <d0f44fbb7ffc85806ab00d7e54a64161ef79cad7.1421924801.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Robin Murphy @ 2015-01-22 11:21 UTC (permalink / raw)
To: arm-DgEjT+Ai2ygdnm+yROfE0A
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
mark.rutland-5wv7dgnIgG8, leif.lindholm-QSEj5FYQhm4dnm+yROfE0A
Without explicit command-line parameters, the Juno UART ends up running
at 57600 baud in the kernel, which is at odds with the 115200 baud used
by the rest of the firmware. Since commit 7914a7c5651a5161 now lets us
fix this by specifying default options in stdout-path, do so.
Acked-by: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Signed-off-by: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
---
arch/arm64/boot/dts/arm/juno.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
index cb3073e..d429129 100644
--- a/arch/arm64/boot/dts/arm/juno.dts
+++ b/arch/arm64/boot/dts/arm/juno.dts
@@ -22,7 +22,7 @@
};
chosen {
- stdout-path = &soc_uart0;
+ stdout-path = "serial0:115200n8";
};
psci {
--
1.9.1
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* Re: [PATCH] arm64: dts: add baud rate to Juno stdout-path
[not found] ` <d0f44fbb7ffc85806ab00d7e54a64161ef79cad7.1421924801.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
@ 2015-01-23 22:18 ` Olof Johansson
0 siblings, 0 replies; 2+ messages in thread
From: Olof Johansson @ 2015-01-23 22:18 UTC (permalink / raw)
To: Robin Murphy
Cc: arm-DgEjT+Ai2ygdnm+yROfE0A, devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
mark.rutland-5wv7dgnIgG8, leif.lindholm-QSEj5FYQhm4dnm+yROfE0A
On Thu, Jan 22, 2015 at 11:21:32AM +0000, Robin Murphy wrote:
> Without explicit command-line parameters, the Juno UART ends up running
> at 57600 baud in the kernel, which is at odds with the 115200 baud used
> by the rest of the firmware. Since commit 7914a7c5651a5161 now lets us
> fix this by specifying default options in stdout-path, do so.
>
> Acked-by: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
> Signed-off-by: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Thanks, applied as a fix for 3.19.
-Olof
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2015-01-22 11:21 [PATCH] arm64: dts: add baud rate to Juno stdout-path Robin Murphy
[not found] ` <d0f44fbb7ffc85806ab00d7e54a64161ef79cad7.1421924801.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2015-01-23 22:18 ` Olof Johansson
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