diff options
author | David Woodhouse <dwmw@amazon.co.uk> | 2017-04-12 08:26:04 -0400 |
---|---|---|
committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-04-20 09:47:47 -0400 |
commit | 6a94ca14c389b00515b026cd35bcd074dec6f7ff (patch) | |
tree | 2f9973c89c78bdb96494dd3eb724ca50db3a83ea | |
parent | 903bdbe271217f656d13767d8a3e74b8aabc54c2 (diff) |
parisc: Use generic pci_mmap_resource_range()
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-rw-r--r-- | arch/parisc/include/asm/pci.h | 1 | ||||
-rw-r--r-- | arch/parisc/kernel/pci.c | 29 |
2 files changed, 1 insertions, 29 deletions
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h index bb9ea9003e08..1de1a3f412ec 100644 --- a/arch/parisc/include/asm/pci.h +++ b/arch/parisc/include/asm/pci.h | |||
@@ -200,5 +200,6 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) | |||
200 | } | 200 | } |
201 | 201 | ||
202 | #define HAVE_PCI_MMAP | 202 | #define HAVE_PCI_MMAP |
203 | #define ARCH_GENERIC_PCI_MMAP_RESOURCE | ||
203 | 204 | ||
204 | #endif /* __ASM_PARISC_PCI_H */ | 205 | #endif /* __ASM_PARISC_PCI_H */ |
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index 653877553acd..13ee3569959a 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c | |||
@@ -227,35 +227,6 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, | |||
227 | return start; | 227 | return start; |
228 | } | 228 | } |
229 | 229 | ||
230 | |||
231 | int pci_mmap_page_range(struct pci_dev *dev, int bar, | ||
232 | struct vm_area_struct *vma, | ||
233 | enum pci_mmap_state mmap_state, int write_combine) | ||
234 | { | ||
235 | unsigned long prot; | ||
236 | |||
237 | /* | ||
238 | * I/O space can be accessed via normal processor loads and stores on | ||
239 | * this platform but for now we elect not to do this and portable | ||
240 | * drivers should not do this anyway. | ||
241 | */ | ||
242 | if (mmap_state == pci_mmap_io) | ||
243 | return -EINVAL; | ||
244 | |||
245 | if (write_combine) | ||
246 | return -EINVAL; | ||
247 | |||
248 | /* | ||
249 | * Ignore write-combine; for now only return uncached mappings. | ||
250 | */ | ||
251 | prot = pgprot_val(vma->vm_page_prot); | ||
252 | prot |= _PAGE_NO_CACHE; | ||
253 | vma->vm_page_prot = __pgprot(prot); | ||
254 | |||
255 | return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, | ||
256 | vma->vm_end - vma->vm_start, vma->vm_page_prot); | ||
257 | } | ||
258 | |||
259 | /* | 230 | /* |
260 | * A driver is enabling the device. We make sure that all the appropriate | 231 | * A driver is enabling the device. We make sure that all the appropriate |
261 | * bits are set to allow the device to operate as the driver is expecting. | 232 | * bits are set to allow the device to operate as the driver is expecting. |