On Wed, Apr 24, 2024 at 01:54:54PM +0200, Marc Kleine-Budde wrote: > On 17.04.2024 15:43:54, Gregor Herburger wrote: > > MCP2518FD exits Low-Power Mode (LPM) when CS is asserted. When chip > > is send to sleep and the timestamp workqueue is not stopped chip is > > waked by SPI transfer of mcp251xfd_timestamp_read. > > How does the Low-Power Mode affect the GPIO lines? Is there a difference > if the device is only in sleep mode? The MCP251XFD_REG_IOCON is cleared when leaving Low-Power Mode. This is why I implemented regcache. Best regards Gregor -- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider https://www.tq-group.com/