On Tue, Nov 10, 2020 at 3:48 PM Andy Shevchenko
<andy.shevchenko(a)gmail.com> wrote:
>
>
>
> On Wednesday, November 11, 2020, Evan Green <evgreen(a)chromium.org> wrote:
>>
>> GPIOs that attempt to use interrupts get thwarted with a message like:
>> "pin 161 cannot be used as IRQ" (for instance with SD_CD). This is because
>> the JSL_HOSTSW_OWN offset is incorrect, so every GPIO looks like it's
>> owned by ACPI.
>
>
> Funny, I have created a similar patch few hours ago. Are you sure this is enough? In mine I have also padcfglock updated. But I have to confirm that, that’s why I didn’t send it out.
Oh weird! I didn't check padcfglock since it didn't happen to be
involved in the bug I was tracking down. I was trying to clean out
some skeletons in my kernel closet [1] and debugged it down to this.
If you want to smash the two patches together I'm fine with that. Let
me know, and CC me if you do post something.
-Evan
[1] https://chromium.googlesource.com/chromiumos/overlays/board-overlays/+/mast…
The Jetson Xavier NX board routes UARTA to the 40-pin header and UARTC
to a 12-pin debug header. The UARTs can be used by either the Tegra
Combined UART (TCU) driver or the Tegra 8250 driver. By default, the
TCU will use UARTC on Jetson Xavier NX. Currently, device-tree for
Xavier NX enables the TCU and the Tegra 8250 node for UARTC. Fix this
by disabling the Tegra 8250 node for UARTC and enabling the Tegra 8250
node for UARTA.
Fixes: 3f9efbbe57bc ("arm64: tegra: Add support for Jetson Xavier NX")
Cc: stable(a)vger.kernel.org
Signed-off-by: Jon Hunter <jonathanh(a)nvidia.com>
---
arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
index a2893be80507..0dc8304a2edd 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
@@ -54,7 +54,7 @@ memory-controller@2c00000 {
status = "okay";
};
- serial@c280000 {
+ serial@3100000 {
status = "okay";
};
--
2.25.1
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