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Subject[PATCH] ssb: Fix DMA-API compilation for non-PCI systems
Date
This fixes compilation of the SSB DMA-API code on non-PCI platforms.

Signed-off-by: Michael Buesch <mb@bu3sch.de>

---

John, please queue this for whatever kernel. I forgot what version
we're working on. :P


Index: wireless-testing/include/linux/ssb/ssb.h
===================================================================
--- wireless-testing.orig/include/linux/ssb/ssb.h 2008-08-01 17:26:05.000000000 +0200
+++ wireless-testing/include/linux/ssb/ssb.h 2008-11-06 21:45:37.000000000 +0100
@@ -427,12 +427,16 @@ static inline int ssb_dma_mapping_error(
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
return pci_dma_mapping_error(dev->bus->host_pci, addr);
+#endif
+ break;
case SSB_BUSTYPE_SSB:
return dma_mapping_error(dev->dev, addr);
default:
- __ssb_dma_not_implemented(dev);
+ break;
}
+ __ssb_dma_not_implemented(dev);
return -ENOSYS;
}

@@ -441,12 +445,16 @@ static inline dma_addr_t ssb_dma_map_sin
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
return pci_map_single(dev->bus->host_pci, p, size, dir);
+#endif
+ break;
case SSB_BUSTYPE_SSB:
return dma_map_single(dev->dev, p, size, dir);
default:
- __ssb_dma_not_implemented(dev);
+ break;
}
+ __ssb_dma_not_implemented(dev);
return 0;
}

@@ -455,14 +463,18 @@ static inline void ssb_dma_unmap_single(
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
pci_unmap_single(dev->bus->host_pci, dma_addr, size, dir);
return;
+#endif
+ break;
case SSB_BUSTYPE_SSB:
dma_unmap_single(dev->dev, dma_addr, size, dir);
return;
default:
- __ssb_dma_not_implemented(dev);
+ break;
}
+ __ssb_dma_not_implemented(dev);
}

static inline void ssb_dma_sync_single_for_cpu(struct ssb_device *dev,
@@ -472,15 +484,19 @@ static inline void ssb_dma_sync_single_f
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
size, dir);
return;
+#endif
+ break;
case SSB_BUSTYPE_SSB:
dma_sync_single_for_cpu(dev->dev, dma_addr, size, dir);
return;
default:
- __ssb_dma_not_implemented(dev);
+ break;
}
+ __ssb_dma_not_implemented(dev);
}

static inline void ssb_dma_sync_single_for_device(struct ssb_device *dev,
@@ -490,15 +506,19 @@ static inline void ssb_dma_sync_single_f
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
size, dir);
return;
+#endif
+ break;
case SSB_BUSTYPE_SSB:
dma_sync_single_for_device(dev->dev, dma_addr, size, dir);
return;
default:
- __ssb_dma_not_implemented(dev);
+ break;
}
+ __ssb_dma_not_implemented(dev);
}

static inline void ssb_dma_sync_single_range_for_cpu(struct ssb_device *dev,
@@ -509,17 +529,21 @@ static inline void ssb_dma_sync_single_r
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
/* Just sync everything. That's all the PCI API can do. */
pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
offset + size, dir);
return;
+#endif
+ break;
case SSB_BUSTYPE_SSB:
dma_sync_single_range_for_cpu(dev->dev, dma_addr, offset,
size, dir);
return;
default:
- __ssb_dma_not_implemented(dev);
+ break;
}
+ __ssb_dma_not_implemented(dev);
}

static inline void ssb_dma_sync_single_range_for_device(struct ssb_device *dev,
@@ -530,17 +554,21 @@ static inline void ssb_dma_sync_single_r
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
/* Just sync everything. That's all the PCI API can do. */
pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
offset + size, dir);
return;
+#endif
+ break;
case SSB_BUSTYPE_SSB:
dma_sync_single_range_for_device(dev->dev, dma_addr, offset,
size, dir);
return;
default:
- __ssb_dma_not_implemented(dev);
+ break;
}
+ __ssb_dma_not_implemented(dev);
}


--
Greetings Michael.


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