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Diffstat (limited to 'arch/alpha/kernel/pci_iommu.c')
-rw-r--r--arch/alpha/kernel/pci_iommu.c45
1 files changed, 22 insertions, 23 deletions
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 022c2748fa4..eddee772034 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -7,6 +7,7 @@
#include <linux/pci.h>
#include <linux/gfp.h>
#include <linux/bootmem.h>
+#include <linux/export.h>
#include <linux/scatterlist.h>
#include <linux/log2.h>
#include <linux/dma-mapping.h>
@@ -235,7 +236,7 @@ static int pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
ok = 0;
/* If both conditions above are met, we are fine. */
- DBGA("pci_dac_dma_supported %s from %p\n",
+ DBGA("pci_dac_dma_supported %s from %pf\n",
ok ? "yes" : "no", __builtin_return_address(0));
return ok;
@@ -267,7 +268,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
&& paddr + size <= __direct_map_size) {
ret = paddr + __direct_map_base;
- DBGA2("pci_map_single: [%p,%zx] -> direct %llx from %p\n",
+ DBGA2("pci_map_single: [%p,%zx] -> direct %llx from %pf\n",
cpu_addr, size, ret, __builtin_return_address(0));
return ret;
@@ -278,7 +279,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
if (dac_allowed) {
ret = paddr + alpha_mv.pci_dac_offset;
- DBGA2("pci_map_single: [%p,%zx] -> DAC %llx from %p\n",
+ DBGA2("pci_map_single: [%p,%zx] -> DAC %llx from %pf\n",
cpu_addr, size, ret, __builtin_return_address(0));
return ret;
@@ -315,7 +316,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
ret = arena->dma_base + dma_ofs * PAGE_SIZE;
ret += (unsigned long)cpu_addr & ~PAGE_MASK;
- DBGA2("pci_map_single: [%p,%zx] np %ld -> sg %llx from %p\n",
+ DBGA2("pci_map_single: [%p,%zx] np %ld -> sg %llx from %pf\n",
cpu_addr, size, npages, ret, __builtin_return_address(0));
return ret;
@@ -324,7 +325,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
/* Helper for generic DMA-mapping functions. */
static struct pci_dev *alpha_gendev_to_pci(struct device *dev)
{
- if (dev && dev->bus == &pci_bus_type)
+ if (dev && dev_is_pci(dev))
return to_pci_dev(dev);
/* Assume that non-PCI devices asking for DMA are either ISA or EISA,
@@ -353,8 +354,7 @@ static dma_addr_t alpha_pci_map_page(struct device *dev, struct page *page,
struct pci_dev *pdev = alpha_gendev_to_pci(dev);
int dac_allowed;
- if (dir == PCI_DMA_NONE)
- BUG();
+ BUG_ON(dir == PCI_DMA_NONE);
dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0;
return pci_map_single_1(pdev, (char *)page_address(page) + offset,
@@ -377,21 +377,20 @@ static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr,
struct pci_iommu_arena *arena;
long dma_ofs, npages;
- if (dir == PCI_DMA_NONE)
- BUG();
+ BUG_ON(dir == PCI_DMA_NONE);
if (dma_addr >= __direct_map_base
&& dma_addr < __direct_map_base + __direct_map_size) {
/* Nothing to do. */
- DBGA2("pci_unmap_single: direct [%llx,%zx] from %p\n",
+ DBGA2("pci_unmap_single: direct [%llx,%zx] from %pf\n",
dma_addr, size, __builtin_return_address(0));
return;
}
if (dma_addr > 0xffffffff) {
- DBGA2("pci64_unmap_single: DAC [%llx,%zx] from %p\n",
+ DBGA2("pci64_unmap_single: DAC [%llx,%zx] from %pf\n",
dma_addr, size, __builtin_return_address(0));
return;
}
@@ -423,7 +422,7 @@ static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr,
spin_unlock_irqrestore(&arena->lock, flags);
- DBGA2("pci_unmap_single: sg [%llx,%zx] np %ld from %p\n",
+ DBGA2("pci_unmap_single: sg [%llx,%zx] np %ld from %pf\n",
dma_addr, size, npages, __builtin_return_address(0));
}
@@ -433,7 +432,8 @@ static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr,
else DMA_ADDRP is undefined. */
static void *alpha_pci_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_addrp, gfp_t gfp)
+ dma_addr_t *dma_addrp, gfp_t gfp,
+ struct dma_attrs *attrs)
{
struct pci_dev *pdev = alpha_gendev_to_pci(dev);
void *cpu_addr;
@@ -445,7 +445,7 @@ try_again:
cpu_addr = (void *)__get_free_pages(gfp, order);
if (! cpu_addr) {
printk(KERN_INFO "pci_alloc_consistent: "
- "get_free_pages failed from %p\n",
+ "get_free_pages failed from %pf\n",
__builtin_return_address(0));
/* ??? Really atomic allocation? Otherwise we could play
with vmalloc and sg if we can't find contiguous memory. */
@@ -464,7 +464,7 @@ try_again:
goto try_again;
}
- DBGA2("pci_alloc_consistent: %zx -> [%p,%llx] from %p\n",
+ DBGA2("pci_alloc_consistent: %zx -> [%p,%llx] from %pf\n",
size, cpu_addr, *dma_addrp, __builtin_return_address(0));
return cpu_addr;
@@ -477,13 +477,14 @@ try_again:
DMA_ADDR past this call are illegal. */
static void alpha_pci_free_coherent(struct device *dev, size_t size,
- void *cpu_addr, dma_addr_t dma_addr)
+ void *cpu_addr, dma_addr_t dma_addr,
+ struct dma_attrs *attrs)
{
struct pci_dev *pdev = alpha_gendev_to_pci(dev);
pci_unmap_single(pdev, dma_addr, size, PCI_DMA_BIDIRECTIONAL);
free_pages((unsigned long)cpu_addr, get_order(size));
- DBGA2("pci_free_consistent: [%llx,%zx] from %p\n",
+ DBGA2("pci_free_consistent: [%llx,%zx] from %pf\n",
dma_addr, size, __builtin_return_address(0));
}
@@ -659,8 +660,7 @@ static int alpha_pci_map_sg(struct device *dev, struct scatterlist *sg,
dma_addr_t max_dma;
int dac_allowed;
- if (dir == PCI_DMA_NONE)
- BUG();
+ BUG_ON(dir == PCI_DMA_NONE);
dac_allowed = dev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0;
@@ -739,8 +739,7 @@ static void alpha_pci_unmap_sg(struct device *dev, struct scatterlist *sg,
dma_addr_t max_dma;
dma_addr_t fbeg, fend;
- if (dir == PCI_DMA_NONE)
- BUG();
+ BUG_ON(dir == PCI_DMA_NONE);
if (! alpha_mv.mv_pci_tbi)
return;
@@ -951,8 +950,8 @@ static int alpha_pci_set_mask(struct device *dev, u64 mask)
}
struct dma_map_ops alpha_pci_ops = {
- .alloc_coherent = alpha_pci_alloc_coherent,
- .free_coherent = alpha_pci_free_coherent,
+ .alloc = alpha_pci_alloc_coherent,
+ .free = alpha_pci_free_coherent,
.map_page = alpha_pci_map_page,
.unmap_page = alpha_pci_unmap_page,
.map_sg = alpha_pci_map_sg,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 06:00:14 +0000