Re: [PATCH 16/19] arm64: dts: qcom: sdm845: Add "mhi" region to the PCIe nodes

From: Krzysztof Kozlowski
Date: Tue Mar 07 2023 - 03:21:22 EST


On 06/03/2023 16:32, Manivannan Sadhasivam wrote:
> The "mhi" region contains the debug registers that could be used to monitor
> the PCIe link transitions.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 479859bd8ab3..0104e77dd8d5 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -2280,10 +2280,11 @@ opp-4 {
> pcie0: pci@1c00000 {
> compatible = "qcom,pcie-sdm845";
> reg = <0 0x01c00000 0 0x2000>,
> + <0 0x01c07000 0 0x1000>,
> <0 0x60000000 0 0xf1d>,
> <0 0x60000f20 0 0xa8>,
> <0 0x60100000 0 0x100000>;
> - reg-names = "parf", "dbi", "elbi", "config";
> + reg-names = "parf", "mhi", "dbi", "elbi", "config";

Indexes are fixed, thus this breaks other users of DTS.

Best regards,
Krzysztof