[PATCH 1/6] [POWERPC] create and use set_pci_dma_ops
From: Stephen Rothwell <hidden>
Date: 2007-03-04 06:07:50
This will allow us to build without PCI easier. Signed-off-by: Stephen Rothwell <redacted> --- arch/powerpc/kernel/pci_64.c | 5 +++++ arch/powerpc/platforms/cell/iommu.c | 4 ++-- arch/powerpc/platforms/celleb/iommu.c | 2 +- arch/powerpc/platforms/iseries/iommu.c | 2 +- arch/powerpc/platforms/pasemi/iommu.c | 4 ++-- arch/powerpc/platforms/pseries/iommu.c | 4 ++-- arch/powerpc/sysdev/dart_iommu.c | 4 ++-- include/asm-powerpc/pci.h | 6 +++++- 8 files changed, 20 insertions(+), 11 deletions(-) -- Cheers, Stephen Rothwell sfr@canb.auug.org.au
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 7e97d71..73d5093 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c@@ -70,6 +70,11 @@ int global_phb_number; /* Global phb counter */ struct pci_dev *ppc64_isabridge_dev = NULL; EXPORT_SYMBOL_GPL(ppc64_isabridge_dev); +void set_pci_dma_ops(struct dma_mapping_ops *dma_ops) +{ + pci_dma_ops = dma_ops; +} + static void fixup_broken_pcnet32(struct pci_dev* dev) { if ((dev->class>>8 == PCI_CLASS_NETWORK_ETHERNET)) {
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 67d617b..d0e02ea 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c@@ -646,7 +646,7 @@ static int __init cell_iommu_init_disabled(void) unsigned long base = 0, size; /* When no iommu is present, we use direct DMA ops */ - pci_dma_ops = &dma_direct_ops; + set_pci_dma_ops(&dma_direct_ops); /* First make sure all IOC translation is turned off */ cell_disable_iommus();
@@ -734,7 +734,7 @@ static int __init cell_iommu_init(void) } /* Setup default PCI iommu ops */ - pci_dma_ops = &dma_iommu_ops; + set_pci_dma_ops(&dma_iommu_ops); bail: /* Register callbacks on OF platform device addition/removal
diff --git a/arch/powerpc/platforms/celleb/iommu.c b/arch/powerpc/platforms/celleb/iommu.c
index f63b94c..fecc4ff 100644
--- a/arch/powerpc/platforms/celleb/iommu.c
+++ b/arch/powerpc/platforms/celleb/iommu.c@@ -95,7 +95,7 @@ static int __init celleb_init_iommu(void) return -ENODEV; celleb_init_direct_mapping(); - pci_dma_ops = &dma_direct_ops; + set_pci_dma_ops(&dma_direct_ops); bus_register_notifier(&of_platform_bus_type, &celleb_of_bus_notifier); return 0;
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index d7a756d..7df2902 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c@@ -194,5 +194,5 @@ void iommu_init_early_iSeries(void) ppc_md.tce_build = tce_build_iSeries; ppc_md.tce_free = tce_free_iSeries; - pci_dma_ops = &dma_iommu_ops; + set_pci_dma_ops(&dma_iommu_ops); }
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 459a53b..4587c1d 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c@@ -255,7 +255,7 @@ void iommu_init_early_pasemi(void) /* Direct I/O, IOMMU off */ ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_null; ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_null; - pci_dma_ops = &dma_direct_ops; + set_pci_dma_ops(&dma_direct_ops); return; }
@@ -266,7 +266,7 @@ void iommu_init_early_pasemi(void) ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_pasemi; ppc_md.tce_build = iobmap_build; ppc_md.tce_free = iobmap_free; - pci_dma_ops = &dma_iommu_ops; + set_pci_dma_ops(&dma_iommu_ops); } void __init alloc_iobmap_l2(void)
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index e6653a8..9322f74 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c@@ -562,7 +562,7 @@ void iommu_init_early_pSeries(void) /* Direct I/O, IOMMU off */ ppc_md.pci_dma_dev_setup = NULL; ppc_md.pci_dma_bus_setup = NULL; - pci_dma_ops = &dma_direct_ops; + set_pci_dma_ops(&dma_direct_ops); return; }
@@ -588,6 +588,6 @@ void iommu_init_early_pSeries(void) pSeries_reconfig_notifier_register(&iommu_reconfig_nb); - pci_dma_ops = &dma_iommu_ops; + set_pci_dma_ops(&dma_iommu_ops); }
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 1488535..336186d 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c@@ -333,7 +333,7 @@ void iommu_init_early_dart(void) ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_dart; /* Setup pci_dma ops */ - pci_dma_ops = &dma_iommu_ops; + set_pci_dma_ops(&dma_iommu_ops); return; }
@@ -343,7 +343,7 @@ void iommu_init_early_dart(void) ppc_md.pci_dma_bus_setup = NULL; /* Setup pci_dma ops */ - pci_dma_ops = &dma_direct_ops; + set_pci_dma_ops(&dma_direct_ops); }
diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h
index ac656ee..ebf31f1 100644
--- a/include/asm-powerpc/pci.h
+++ b/include/asm-powerpc/pci.h@@ -70,8 +70,11 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) */ #define PCI_DISABLE_MWI +#ifdef CONFIG_PCI extern struct dma_mapping_ops *pci_dma_ops; +extern void set_pci_dma_ops(struct dma_mapping_ops *dma_ops); + /* For DAC DMA, we currently don't support it by default, but * we let 64-bit platforms override this. */
@@ -82,7 +85,6 @@ static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask) return 0; } -#ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, unsigned long *strategy_parameter)
@@ -99,6 +101,8 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, *strat = PCI_DMA_BURST_MULTIPLE; *strategy_parameter = cacheline_size; } +#else /* CONFIG_PCI */ +#define set_pci_dma_ops(d) #endif extern int pci_domain_nr(struct pci_bus *bus);
--
1.5.0.1