2008-08-07 15:21:07

by Holger Schurig

[permalink] [raw]
Subject: [PATCH] ssb: allow compilation on systems without PCI

Makes ssb work on system without a PCI bus.

Signed-off-by: Holger Schurig <[email protected]>

---
I'm not sure if I should check for CONFIG_SSB_PCIHOST (like in
the rest of the file) or simply for CONFIG_PCI.

--- wireless-testing.orig/drivers/ssb/main.c
+++ wireless-testing/drivers/ssb/main.c
@@ -1165,15 +1165,19 @@ EXPORT_SYMBOL(ssb_dma_translation);

int ssb_dma_set_mask(struct ssb_device *dev, u64 mask)
{
+#ifdef CONFIG_SSB_PCIHOST
int err;
+#endif

switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
err = pci_set_dma_mask(dev->bus->host_pci, mask);
if (err)
return err;
err = pci_set_consistent_dma_mask(dev->bus->host_pci, mask);
return err;
+#endif
case SSB_BUSTYPE_SSB:
return dma_set_mask(dev->dev, mask);
default:
@@ -1188,6 +1192,7 @@ void * ssb_dma_alloc_consistent(struct s
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
if (gfp_flags & GFP_DMA) {
/* Workaround: The PCI API does not support passing
* a GFP flag. */
@@ -1195,6 +1200,7 @@ void * ssb_dma_alloc_consistent(struct s
size, dma_handle, gfp_flags);
}
return pci_alloc_consistent(dev->bus->host_pci, size, dma_handle);
+#endif
case SSB_BUSTYPE_SSB:
return dma_alloc_coherent(dev->dev, size, dma_handle, gfp_flags);
default:
@@ -1210,6 +1216,7 @@ void ssb_dma_free_consistent(struct ssb_
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
if (gfp_flags & GFP_DMA) {
/* Workaround: The PCI API does not support passing
* a GFP flag. */
@@ -1220,6 +1227,7 @@ void ssb_dma_free_consistent(struct ssb_
pci_free_consistent(dev->bus->host_pci, size,
vaddr, dma_handle);
return;
+#endif
case SSB_BUSTYPE_SSB:
dma_free_coherent(dev->dev, size, vaddr, dma_handle);
return;