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SDMA Firmware reloaded in resume

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SDMA Firmware reloaded in resume

‎11-16-2020 01:23 AM
848 Views
vijaykumar_prat
Contributor II

Hello All,

In which cases, SDMA firmware needs to be reloaded ? In Linux SDMA driver, https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/dma/imx-sdma.c?h=imx_4.14.98_2.3.0... , the firmware is reloaded again in system resume. Also, while system suspend, will SDMA be power gated in Linux ? If so, How can i prevent that ? 

 

Regards,

Vijay.

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‎02-08-2021 03:20 AM
778 Views
Rita_Wang
NXP TechSupport
NXP TechSupport

You can refer to https://community.nxp.com/t5/i-MX-Processors/iMX8MM-Firmware-does-not-load-automatically/m-p/1158507

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