diff options
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/kernel/ioport.c | 32 |
1 files changed, 7 insertions, 25 deletions
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index b5e83beb5b6b..92700c1650c7 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c | |||
@@ -65,9 +65,6 @@ static inline void dma_make_coherent(unsigned long pa, unsigned long len) | |||
65 | } | 65 | } |
66 | #endif | 66 | #endif |
67 | 67 | ||
68 | static struct resource *_sparc_find_resource(struct resource *r, | ||
69 | unsigned long); | ||
70 | |||
71 | static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz); | 68 | static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz); |
72 | static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys, | 69 | static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys, |
73 | unsigned long size, char *name); | 70 | unsigned long size, char *name); |
@@ -143,7 +140,11 @@ void iounmap(volatile void __iomem *virtual) | |||
143 | unsigned long vaddr = (unsigned long) virtual & PAGE_MASK; | 140 | unsigned long vaddr = (unsigned long) virtual & PAGE_MASK; |
144 | struct resource *res; | 141 | struct resource *res; |
145 | 142 | ||
146 | if ((res = _sparc_find_resource(&sparc_iomap, vaddr)) == NULL) { | 143 | /* |
144 | * XXX Too slow. Can have 8192 DVMA pages on sun4m in the worst case. | ||
145 | * This probably warrants some sort of hashing. | ||
146 | */ | ||
147 | if ((res = lookup_resource(&sparc_iomap, vaddr)) == NULL) { | ||
147 | printk("free_io/iounmap: cannot free %lx\n", vaddr); | 148 | printk("free_io/iounmap: cannot free %lx\n", vaddr); |
148 | return; | 149 | return; |
149 | } | 150 | } |
@@ -319,7 +320,7 @@ static void sbus_free_coherent(struct device *dev, size_t n, void *p, | |||
319 | struct resource *res; | 320 | struct resource *res; |
320 | struct page *pgv; | 321 | struct page *pgv; |
321 | 322 | ||
322 | if ((res = _sparc_find_resource(&_sparc_dvma, | 323 | if ((res = lookup_resource(&_sparc_dvma, |
323 | (unsigned long)p)) == NULL) { | 324 | (unsigned long)p)) == NULL) { |
324 | printk("sbus_free_consistent: cannot free %p\n", p); | 325 | printk("sbus_free_consistent: cannot free %p\n", p); |
325 | return; | 326 | return; |
@@ -492,7 +493,7 @@ static void pci32_free_coherent(struct device *dev, size_t n, void *p, | |||
492 | { | 493 | { |
493 | struct resource *res; | 494 | struct resource *res; |
494 | 495 | ||
495 | if ((res = _sparc_find_resource(&_sparc_dvma, | 496 | if ((res = lookup_resource(&_sparc_dvma, |
496 | (unsigned long)p)) == NULL) { | 497 | (unsigned long)p)) == NULL) { |
497 | printk("pci_free_consistent: cannot free %p\n", p); | 498 | printk("pci_free_consistent: cannot free %p\n", p); |
498 | return; | 499 | return; |
@@ -715,25 +716,6 @@ static const struct file_operations sparc_io_proc_fops = { | |||
715 | }; | 716 | }; |
716 | #endif /* CONFIG_PROC_FS */ | 717 | #endif /* CONFIG_PROC_FS */ |
717 | 718 | ||
718 | /* | ||
719 | * This is a version of find_resource and it belongs to kernel/resource.c. | ||
720 | * Until we have agreement with Linus and Martin, it lingers here. | ||
721 | * | ||
722 | * XXX Too slow. Can have 8192 DVMA pages on sun4m in the worst case. | ||
723 | * This probably warrants some sort of hashing. | ||
724 | */ | ||
725 | static struct resource *_sparc_find_resource(struct resource *root, | ||
726 | unsigned long start) | ||
727 | { | ||
728 | struct resource *tmp; | ||
729 | |||
730 | for (tmp = root->child; tmp != 0; tmp = tmp->sibling) { | ||
731 | if (tmp->start == start) | ||
732 | return tmp; | ||
733 | } | ||
734 | return NULL; | ||
735 | } | ||
736 | |||
737 | static void register_proc_sparc_ioport(void) | 719 | static void register_proc_sparc_ioport(void) |
738 | { | 720 | { |
739 | #ifdef CONFIG_PROC_FS | 721 | #ifdef CONFIG_PROC_FS |