From: Rene Herman ISA: set 24-bit dma_mask for ISA devices Set the ISA device dma_mask in preparation for using the actual device with the DMA API. --- drivers/base/isa.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/drivers/base/isa.c b/drivers/base/isa.c index d222239..842ca08 100644 --- a/drivers/base/isa.c +++ b/drivers/base/isa.c @@ -7,6 +7,8 @@ #include #include #include +#include +#include #include static struct device isa_bus = { @@ -17,6 +19,7 @@ struct isa_dev { struct device dev; struct device *next; unsigned int id; + u64 dma_mask; }; #define to_isa_dev(x) container_of((x), struct isa_dev, dev) @@ -131,6 +134,9 @@ int isa_register_driver(struct isa_driver *isa_driver, unsigned int ndev) break; } + isa_dev->id = id; + isa_dev->dma_mask = DMA_24BIT_MASK; + isa_dev->dev.parent = &isa_bus; isa_dev->dev.bus = &isa_bus_type; @@ -138,8 +144,9 @@ int isa_register_driver(struct isa_driver *isa_driver, unsigned int ndev) isa_driver->driver.name, id); isa_dev->dev.platform_data = isa_driver; + isa_dev->dev.dma_mask = &isa_dev->dma_mask; + isa_dev->dev.coherent_dma_mask = isa_dev->dma_mask; isa_dev->dev.release = isa_dev_release; - isa_dev->id = id; error = device_register(&isa_dev->dev); if (error) { -- 1.5.2.2