On 04/12/2024 19:41, Andreas Kemnade wrote: > Despite CM_IDLEST1_CORE and CM_FCLKEN1_CORE behaving normal, > disabling SPI leads to messages like when suspending: > Powerdomain (core_pwrdm) didn't enter target state 0 > and according to /sys/kernel/debug/pm_debug/count off state is not > entered. That was not connected to SPI during the discussion > of disabling SPI. See: > https://lore.kernel.org/linux-omap/20230122100852.32ae082c@aktux/ > > The reason is that SPI is per default in slave mode. Linux driver > will turn it to master per default. It slave mode, the powerdomain seems to > be kept active if active chip select input is sensed. > > Fix that by explicitly disabling the SPI3 pins which used to be muxed by > the bootloader since they are available on an optionally fitted header > which would require dtb overlays anyways. > > Fixes: a622310f7f01 ("ARM: dts: gta04: fix excess dma channel usage") > CC: stable@xxxxxxxxxxxxxxx > Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx> Reviewed-by: Roger Quadros <rogerq@xxxxxxxxxx>
