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powerpc/macio: Ensure all dma routines get copied over 

Also add a comment to dev_archdata, indicating that changes there need
to be verified against the driver code.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
hifive-unleashed-5.1
Nishanth Aravamudan 2010-10-26 17:35:11 +00:00 committed by Benjamin Herrenschmidt
parent a8daac8a51
commit f6aedd8606
2 changed files with 9 additions and 4 deletions
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6
arch/powerpc/include/asm/device.h
View File

@ -9,6 +9,12 @@
struct dma_map_ops;
struct device_node;
/*
* Arch extensions to struct device.
*
* When adding fields, consider macio_add_one_device in
* drivers/macintosh/macio_asic.c
*/
struct dev_archdata {
/* DMA operations on that device */
struct dma_map_ops *dma_ops;

7
drivers/macintosh/macio_asic.c
View File

@ -387,11 +387,10 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
/* Set the DMA ops to the ones from the PCI device, this could be
* fishy if we didn't know that on PowerMac it's always direct ops
* or iommu ops that will work fine
*
* To get all the fields, copy all archdata
*/
dev->ofdev.dev.archdata.dma_ops =
chip->lbus.pdev->dev.archdata.dma_ops;
dev->ofdev.dev.archdata.dma_data =
chip->lbus.pdev->dev.archdata.dma_data;
dev->ofdev.dev.archdata = chip->lbus.pdev->dev.archdata;
#endif /* CONFIG_PCI */
#ifdef DEBUG