1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/base/isa.c b/drivers/base/isa.c
index d2222397a401..efd577574948 100644
--- a/drivers/base/isa.c
+++ b/drivers/base/isa.c
@@ -7,6 +7,7 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/dma-mapping.h>
 #include <linux/isa.h>
 
 static struct device isa_bus = {
@@ -141,6 +142,9 @@ int isa_register_driver(struct isa_driver *isa_driver, unsigned int ndev)
                 isa_dev->dev.release            = isa_dev_release;
                 isa_dev->id                     = id;
 
+                isa_dev->dev.coherent_dma_mask = DMA_24BIT_MASK;
+                isa_dev->dev.dma_mask = &isa_dev->dev.coherent_dma_mask;
+
                 error = device_register(&isa_dev->dev);
                 if (error) {
                         put_device(&isa_dev->dev);