Instead of requiring per-driver support to handle the message queue with realtime priority, add handling for a linux,use-rt-queue DT flag to the generic SPI controller initialization. Signed-off-by: Matthias Schiffer <matthias.schiffer@xxxxxxxxxxxxxxx> --- drivers/spi/spi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 9291b2a0e8871..f069f1aef5378 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -3185,6 +3185,11 @@ int spi_register_controller(struct spi_controller *ctlr) ctlr->mode_bits |= SPI_CS_HIGH; } + /* Run message pump with realtime priority */ + if (ctlr->dev.of_node && + of_property_read_bool(ctlr->dev.of_node, "linux,use-rt-queue")) + ctlr->rt = true; + /* * Even if it's just one always-selected device, there must * be at least one chipselect. -- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider http://www.tq-group.com/
