The soc/fsl/dpio driver will perform a soc_device_match() to determine the optimal cache settings for a given CPU core.

If FSL_GUTS is not enabled, this search will fail and the driver will not configure cache stashing for the given DPIO, and a string of "unknown SoC" messages will appear:

fsl_mc_dpio dpio.7: unknown SoC version fsl_mc_dpio dpio.6: unknown SoC version fsl_mc_dpio dpio.5: unknown SoC version

Signed-off-by: Mathew McBride matt@traverse.com.au Fixes: 51da14e96e9b ("soc: fsl: dpio: configure cache stashing destination") Cc: stable@vger.kernel.org Reviewed-by: Ioana Ciornei ioana.ciornei@nxp.com --- drivers/soc/fsl/Kconfig | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/fsl/Kconfig b/drivers/soc/fsl/Kconfig index 07d52cafbb31..fcec6ed83d5e 100644 --- a/drivers/soc/fsl/Kconfig +++ b/drivers/soc/fsl/Kconfig @@ -24,6 +24,7 @@ config FSL_MC_DPIO tristate "QorIQ DPAA2 DPIO driver" depends on FSL_MC_BUS select SOC_BUS + select FSL_GUTS select DIMLIB help Driver for the DPAA2 DPIO object. A DPIO provides queue and