https://community.nxp.com/t5/i-MX-Processors/imx8m-M4-GPIO-PinInit/m-p/1239496#M170298 <P>I am using rproc to load an image running FreeRTOS into the m4 and run.</P><P>The M4 uses GPIO_PinInit to setup SPI and gpio interrupts.</P><P>We also use some scripts on the Linux side to configure IO pins.</P><P>&nbsp;</P><P>Can the M4 call GPIO_PinInit at anytime or do we need to be concerned about when the M4 calls these functions if Linux is configuring IO (for different pins) at the same time?</P> Wed, 03 Mar 2021 16:55:18 GMT lmcbeath 2021-03-03T16:55:18Z https://community.nxp.com/t5/i-MX-Processors/imx8m-M4-GPIO-PinInit/m-p/1239496#M170298 <P>I am using rproc to load an image running FreeRTOS into the m4 and run.</P><P>The M4 uses GPIO_PinInit to setup SPI and gpio interrupts.</P><P>We also use some scripts on the Linux side to configure IO pins.</P><P>&nbsp;</P><P>Can the M4 call GPIO_PinInit at anytime or do we need to be concerned about when the M4 calls these functions if Linux is configuring IO (for different pins) at the same time?</P> Wed, 03 Mar 2021 16:55:18 GMT https://community.nxp.com/t5/i-MX-Processors/imx8m-M4-GPIO-PinInit/m-p/1239496#M170298 lmcbeath 2021-03-03T16:55:18Z