A 32-bit mask is used by default because a NuBus slot has 32 address/data lines and a NuBus board is free to use all of them. Cc: Christoph Hellwig <hch@xxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Tested-by: Stan Johnson <userm57@xxxxxxxxx> Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx> --- drivers/nubus/bus.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/nubus/bus.c b/drivers/nubus/bus.c index a59b6c4bb5b8..ad3d17c42e23 100644 --- a/drivers/nubus/bus.c +++ b/drivers/nubus/bus.c @@ -5,6 +5,7 @@ // Copyright (C) 2017 Finn Thain #include <linux/device.h> +#include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/nubus.h> #include <linux/seq_file.h> @@ -93,6 +94,8 @@ int nubus_device_register(struct nubus_board *board) board->dev.release = nubus_device_release; board->dev.bus = &nubus_bus_type; dev_set_name(&board->dev, "slot.%X", board->slot); + board->dev.dma_mask = &board->dev.coherent_dma_mask; + dma_set_mask(&board->dev, DMA_BIT_MASK(32)); return device_register(&board->dev); } -- 2.16.4 -- To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
