On Fri, Mar 12, 2021 at 10:15:51AM +0000, Jon Hunter wrote:
> Commit 5d25c476f252 ("Revert "arm64: tegra: Disable the ACONNECT for
> Jetson TX2"") re-enabled the Tegra ADMA and ACONNECT drivers to support
> audio on Jetson TX2. However, this revert was dependent upon commit
> e590474768f1 ("driver core: Set fw_devlink=on by default") and without
> this commit, enabling the ACONNECT is causing resume from system suspend
> to fail on Jetson TX2. Resume fails because the ACONNECT driver is being
> resumed before the BPMP driver, and the ACONNECT driver is attempting to
> power on a power-domain that is provided by the BPMP.
>
> Commit e590474768f1 ("driver core: Set fw_devlink=on by default") has
> since been temporarily reverted while some issues are being
> investigated. This is causing resume from system suspend on Jetson TX2
> to fail again. Rather than disable the ACONNECT driver again, fix this
> by setting fw_devlink is set to 'on' for Jetson TX2 in the bootargs
> specified in device-tree.
>
> Fixes: 5d25c476f252 ("Revert arm64: tegra: Disable the ACONNECT for Jetson TX2")
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied, thanks.
Thierry
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