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authorDavid Howells <dhowells@redhat.com>2006-12-05 12:01:28 -0500
committerDavid Howells <dhowells@warthog.cambridge.redhat.com>2006-12-05 12:01:28 -0500
commit9db73724453a9350e1c22dbe732d427e2939a5c9 (patch)
tree15e3ead6413ae97398a54292acc199bee0864d42 /arch/powerpc/sysdev/dart_iommu.c
parent4c1ac1b49122b805adfa4efc620592f68dccf5db (diff)
parente62438630ca37539c8cc1553710bbfaa3cf960a7 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/ata/libata-scsi.c include/linux/libata.h Futher merge of Linus's head and compilation fixups. Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/powerpc/sysdev/dart_iommu.c')
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c34
1 files changed, 9 insertions, 25 deletions
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 572b7846cc77..1488535b0e13 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -48,9 +48,6 @@
48 48
49#include "dart.h" 49#include "dart.h"
50 50
51extern int iommu_is_off;
52extern int iommu_force_on;
53
54/* Physical base address and size of the DART table */ 51/* Physical base address and size of the DART table */
55unsigned long dart_tablebase; /* exported to htab_initialize */ 52unsigned long dart_tablebase; /* exported to htab_initialize */
56static unsigned long dart_tablesize; 53static unsigned long dart_tablesize;
@@ -289,24 +286,15 @@ static void iommu_table_dart_setup(void)
289 set_bit(iommu_table_dart.it_size - 1, iommu_table_dart.it_map); 286 set_bit(iommu_table_dart.it_size - 1, iommu_table_dart.it_map);
290} 287}
291 288
292static void iommu_dev_setup_dart(struct pci_dev *dev) 289static void pci_dma_dev_setup_dart(struct pci_dev *dev)
293{ 290{
294 struct device_node *dn;
295
296 /* We only have one iommu table on the mac for now, which makes 291 /* We only have one iommu table on the mac for now, which makes
297 * things simple. Setup all PCI devices to point to this table 292 * things simple. Setup all PCI devices to point to this table
298 *
299 * We must use pci_device_to_OF_node() to make sure that
300 * we get the real "final" pointer to the device in the
301 * pci_dev sysdata and not the temporary PHB one
302 */ 293 */
303 dn = pci_device_to_OF_node(dev); 294 dev->dev.archdata.dma_data = &iommu_table_dart;
304
305 if (dn)
306 PCI_DN(dn)->iommu_table = &iommu_table_dart;
307} 295}
308 296
309static void iommu_bus_setup_dart(struct pci_bus *bus) 297static void pci_dma_bus_setup_dart(struct pci_bus *bus)
310{ 298{
311 struct device_node *dn; 299 struct device_node *dn;
312 300
@@ -321,9 +309,6 @@ static void iommu_bus_setup_dart(struct pci_bus *bus)
321 PCI_DN(dn)->iommu_table = &iommu_table_dart; 309 PCI_DN(dn)->iommu_table = &iommu_table_dart;
322} 310}
323 311
324static void iommu_dev_setup_null(struct pci_dev *dev) { }
325static void iommu_bus_setup_null(struct pci_bus *bus) { }
326
327void iommu_init_early_dart(void) 312void iommu_init_early_dart(void)
328{ 313{
329 struct device_node *dn; 314 struct device_node *dn;
@@ -344,22 +329,21 @@ void iommu_init_early_dart(void)
344 329
345 /* Initialize the DART HW */ 330 /* Initialize the DART HW */
346 if (dart_init(dn) == 0) { 331 if (dart_init(dn) == 0) {
347 ppc_md.iommu_dev_setup = iommu_dev_setup_dart; 332 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_dart;
348 ppc_md.iommu_bus_setup = iommu_bus_setup_dart; 333 ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_dart;
349 334
350 /* Setup pci_dma ops */ 335 /* Setup pci_dma ops */
351 pci_iommu_init(); 336 pci_dma_ops = &dma_iommu_ops;
352
353 return; 337 return;
354 } 338 }
355 339
356 bail: 340 bail:
357 /* If init failed, use direct iommu and null setup functions */ 341 /* If init failed, use direct iommu and null setup functions */
358 ppc_md.iommu_dev_setup = iommu_dev_setup_null; 342 ppc_md.pci_dma_dev_setup = NULL;
359 ppc_md.iommu_bus_setup = iommu_bus_setup_null; 343 ppc_md.pci_dma_bus_setup = NULL;
360 344
361 /* Setup pci_dma ops */ 345 /* Setup pci_dma ops */
362 pci_direct_iommu_init(); 346 pci_dma_ops = &dma_direct_ops;
363} 347}
364 348
365 349