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ssb: add dma_dev to ssb_device structure

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Add dma_dev, a pointer to struct device, to struct ssb_device.  We pass it
to the generic DMA API with SSB_BUSTYPE_PCI and SSB_BUSTYPE_SSB.
ssb_devices_register() sets up it properly.

This is preparation for replacing the ssb bus specific DMA API (ssb_dma_*)
with the generic DMA API.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Michael Buesch <mb@bu3sch.de>
Cc: Gary Zambrano <zambrano@broadcom.com>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: John W. Linville <linville@tuxdriver.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
FUJITA Tomonori 2010-06-03 19:37:27 -07:00 committed by John W. Linville
parent 2e724443f3
commit 14f92952bf
2 changed files with 3 additions and 1 deletions
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2
drivers/ssb/main.c
View file

@ -486,6 +486,7 @@ static int ssb_devices_register(struct ssb_bus *bus)
#ifdef CONFIG_SSB_PCIHOST
sdev->irq = bus->host_pci->irq;
dev->parent = &bus->host_pci->dev;
sdev->dma_dev = dev->parent;
#endif
break;
case SSB_BUSTYPE_PCMCIA:
@ -501,6 +502,7 @@ static int ssb_devices_register(struct ssb_bus *bus)
break;
case SSB_BUSTYPE_SSB:
dev->dma_mask = &dev->coherent_dma_mask;
sdev->dma_dev = dev;
break;
}

2
include/linux/ssb/ssb.h
View file

@ -167,7 +167,7 @@ struct ssb_device {
* is an optimization. */
const struct ssb_bus_ops *ops;
struct device *dev;
struct device *dev, *dma_dev;
struct ssb_bus *bus;
struct ssb_device_id id;