On 21/06/2023 16:36, Krzysztof Kozlowski wrote:
> SM8350 HDK and MTP boards were silently dying and rebooting during BAM
> DMA probe:
>
> [ 1.574304] vreg_bob: Setting 3008000-3960000uV
> [ 1.576918] bam-dFormat: Log Type - Time(microsec) - Message -
> Optional Info
> Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
> S - QC_IMAGE_VERSION_STRING=BOOT.MXF.1.0-00637.1-LAHAINA-1
> S - IMAGE_VARIANT_STRING=SocLahainaLAA
> S - OEM_IMAGE_VERSION_STRING=crm-ubuntu77
> S - Boot Interface: UFS
>
> It seems that BAM DMA is locally controller (not by firmware) and
> requires proper initialization by the driver prior to use, at least on
> HDK8350 and MTP8350, but probably on all boards.
>
> Fixes: f1040a7fe8f0 ("arm64: dts: qcom: sm8350: Add Crypto Engine support")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>
> ---
>
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
#regzbot fix: f1040a7fe8f069d2259ab3dab9190210005ceb33
Best regards,
Krzysztof
