diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/dma-mapping-common.h | 17 | ||||
| -rw-r--r-- | include/asm-generic/gpio.h | 5 | ||||
| -rw-r--r-- | include/asm-generic/io.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/irq_work.h | 10 | ||||
| -rw-r--r-- | include/asm-generic/pci-dma-compat.h | 8 | ||||
| -rw-r--r-- | include/asm-generic/pgtable.h | 31 | ||||
| -rw-r--r-- | include/asm-generic/sections.h | 4 | ||||
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 5 |
8 files changed, 51 insertions, 31 deletions
diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h index de8bf89940f8..3378dcf4c31e 100644 --- a/include/asm-generic/dma-mapping-common.h +++ b/include/asm-generic/dma-mapping-common.h @@ -179,6 +179,15 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size); +void *dma_common_contiguous_remap(struct page *page, size_t size, + unsigned long vm_flags, + pgprot_t prot, const void *caller); + +void *dma_common_pages_remap(struct page **pages, size_t size, + unsigned long vm_flags, pgprot_t prot, + const void *caller); +void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags); + /** * dma_mmap_attrs - map a coherent DMA allocation into user space * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices @@ -205,14 +214,6 @@ dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, #define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL) -static inline int dma_mmap_writecombine(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, dma_addr_t dma_addr, size_t size) -{ - DEFINE_DMA_ATTRS(attrs); - dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs); - return dma_mmap_attrs(dev, vma, cpu_addr, dma_addr, size, &attrs); -} - int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t dma_addr, size_t size); diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 23e364538ab5..383ade1a211b 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -27,7 +27,7 @@ */ #ifndef ARCH_NR_GPIOS -#define ARCH_NR_GPIOS 256 +#define ARCH_NR_GPIOS 512 #endif /* @@ -110,9 +110,6 @@ static inline int __gpio_to_irq(unsigned gpio) return gpiod_to_irq(gpio_to_desc(gpio)); } -extern int gpio_lock_as_irq(struct gpio_chip *chip, unsigned int offset); -extern void gpio_unlock_as_irq(struct gpio_chip *chip, unsigned int offset); - extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label); extern int gpio_request_array(const struct gpio *array, size_t num); extern void gpio_free_array(const struct gpio *array, size_t num); diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 975e1cc75edb..b8fdc57a7335 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -331,7 +331,7 @@ static inline void iounmap(void __iomem *addr) #ifndef CONFIG_GENERIC_IOMAP static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) { - return (void __iomem *) port; + return PCI_IOBASE + (port & IO_SPACE_LIMIT); } static inline void ioport_unmap(void __iomem *p) diff --git a/include/asm-generic/irq_work.h b/include/asm-generic/irq_work.h new file mode 100644 index 000000000000..a44f452c6590 --- /dev/null +++ b/include/asm-generic/irq_work.h @@ -0,0 +1,10 @@ +#ifndef __ASM_IRQ_WORK_H +#define __ASM_IRQ_WORK_H + +static inline bool arch_irq_work_has_interrupt(void) +{ + return false; +} + +#endif /* __ASM_IRQ_WORK_H */ + diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h index 1437b7da09b2..c110843fc53b 100644 --- a/include/asm-generic/pci-dma-compat.h +++ b/include/asm-generic/pci-dma-compat.h @@ -19,6 +19,14 @@ pci_alloc_consistent(struct pci_dev *hwdev, size_t size, return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC); } +static inline void * +pci_zalloc_consistent(struct pci_dev *hwdev, size_t size, + dma_addr_t *dma_handle) +{ + return dma_zalloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, + size, dma_handle, GFP_ATOMIC); +} + static inline void pci_free_consistent(struct pci_dev *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle) diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 53b2acc38213..081ff8826bf6 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -249,6 +249,10 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) #define pgprot_writecombine pgprot_noncached #endif +#ifndef pgprot_device +#define pgprot_device pgprot_noncached +#endif + /* * When walking page tables, get the address of the next boundary, * or the end address of the range if that comes earlier. Although no @@ -660,11 +664,12 @@ static inline int pmd_trans_unstable(pmd_t *pmd) } #ifdef CONFIG_NUMA_BALANCING -#ifdef CONFIG_ARCH_USES_NUMA_PROT_NONE /* - * _PAGE_NUMA works identical to _PAGE_PROTNONE (it's actually the - * same bit too). It's set only when _PAGE_PRESET is not set and it's - * never set if _PAGE_PRESENT is set. + * _PAGE_NUMA distinguishes between an unmapped page table entry, an entry that + * is protected for PROT_NONE and a NUMA hinting fault entry. If the + * architecture defines __PAGE_PROTNONE then it should take that into account + * but those that do not can rely on the fact that the NUMA hinting scanner + * skips inaccessible VMAs. * * pte/pmd_present() returns true if pte/pmd_numa returns true. Page * fault triggers on those regions if pte/pmd_numa returns true @@ -673,16 +678,14 @@ static inline int pmd_trans_unstable(pmd_t *pmd) #ifndef pte_numa static inline int pte_numa(pte_t pte) { - return (pte_flags(pte) & - (_PAGE_NUMA|_PAGE_PROTNONE|_PAGE_PRESENT)) == _PAGE_NUMA; + return ptenuma_flags(pte) == _PAGE_NUMA; } #endif #ifndef pmd_numa static inline int pmd_numa(pmd_t pmd) { - return (pmd_flags(pmd) & - (_PAGE_NUMA|_PAGE_PROTNONE|_PAGE_PRESENT)) == _PAGE_NUMA; + return pmdnuma_flags(pmd) == _PAGE_NUMA; } #endif @@ -722,6 +725,8 @@ static inline pte_t pte_mknuma(pte_t pte) { pteval_t val = pte_val(pte); + VM_BUG_ON(!(val & _PAGE_PRESENT)); + val &= ~_PAGE_PRESENT; val |= _PAGE_NUMA; @@ -765,16 +770,6 @@ static inline void pmdp_set_numa(struct mm_struct *mm, unsigned long addr, } #endif #else -extern int pte_numa(pte_t pte); -extern int pmd_numa(pmd_t pmd); -extern pte_t pte_mknonnuma(pte_t pte); -extern pmd_t pmd_mknonnuma(pmd_t pmd); -extern pte_t pte_mknuma(pte_t pte); -extern pmd_t pmd_mknuma(pmd_t pmd); -extern void ptep_set_numa(struct mm_struct *mm, unsigned long addr, pte_t *ptep); -extern void pmdp_set_numa(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp); -#endif /* CONFIG_ARCH_USES_NUMA_PROT_NONE */ -#else static inline int pmd_numa(pmd_t pmd) { return 0; diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index f1a24b5c3b90..b58fd667f87b 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -3,6 +3,8 @@ /* References to section boundaries */ +#include <linux/compiler.h> + /* * Usage guidelines: * _text, _data: architecture specific, don't use them in arch-independent code @@ -37,6 +39,8 @@ extern char __start_rodata[], __end_rodata[]; /* Start and end of .ctors section - used for constructor calls. */ extern char __ctors_start[], __ctors_end[]; +extern __visible const void __nosave_begin, __nosave_end; + /* function descriptor handling (if any). Override * in asm/sections.h */ #ifndef dereference_function_descriptor diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index c1c0b0cf39b4..aa70cbda327c 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -40,6 +40,8 @@ * } * * [__init_begin, __init_end] is the init section that may be freed after init + * // __init_begin and __init_end should be page aligned, so that we can + * // free the whole .init memory * [_stext, _etext] is the text section * [_sdata, _edata] is the data section * @@ -268,6 +270,9 @@ VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \ *(.pci_fixup_suspend) \ VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \ + VMLINUX_SYMBOL(__start_pci_fixups_suspend_late) = .; \ + *(.pci_fixup_suspend_late) \ + VMLINUX_SYMBOL(__end_pci_fixups_suspend_late) = .; \ } \ \ /* Built-in firmware blobs */ \ |