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Commit a8c5cb99 authored by Finn Thain's avatar Finn Thain Committed by Geert Uytterhoeven
Browse files

nubus: Set default dma mask for nubus_board devices 



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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: default avatarStan Johnson <userm57@yahoo.com>
Signed-off-by: default avatarFinn Thain <fthain@telegraphics.com.au>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
parent cf85d895

drivers/nubus/bus.c

+3 −0
Original line number Diff line number Diff line
@@ -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);

}