diff options
| author |   Michael Moese <michael.moese@men.de> | 2016-09-14 12:05:24 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-27 12:33:47 +0200 |
| commit | 2d8784df1a1c11ace4e244780facec1e945c5b4f (patch) | |
| tree | 5a29e7d2bcd98873dd13470ac492206a0b1292fa /include | |
| parent | mcb: Enable PCI bus mastering by default (diff) | |
| download | linux-dev-2d8784df1a1c11ace4e244780facec1e945c5b4f.tar.xz linux-dev-2d8784df1a1c11ace4e244780facec1e945c5b4f.zip | |
mcb: Add a dma_device to mcb_device
When performing DMA operations on a MCB device, the device needed
for using the DMA API is "mcb_device->bus_carrier".
This is rather lengthy, so a shortcut is introduced to struct mcb_device
in order to ensure the MCB device driver uses the correct device for DMA
operations.
Signed-off-by: Michael Moese <michael.moese@men.de>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mcb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mcb.h b/include/linux/mcb.h index ee5200d660b0..4097ac9ea13a 100644 --- a/include/linux/mcb.h +++ b/include/linux/mcb.h @@ -76,6 +76,7 @@ struct mcb_device { int rev; struct resource irq; struct resource mem; + struct device *dma_dev; }; static inline struct mcb_device *to_mcb_device(struct device *dev) |