diff options
Diffstat (limited to 'arch/alpha/include/asm/io.h')
| -rw-r--r-- | arch/alpha/include/asm/io.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index e971ab000f9..5ebab5895ed 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -6,7 +6,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <asm/compiler.h> -#include <asm/system.h> #include <asm/pgtable.h> #include <asm/machvec.h> #include <asm/hwrpb.h> @@ -37,8 +36,9 @@ */ extern inline void __set_hae(unsigned long new_hae) { - unsigned long flags; - local_irq_save(flags); + unsigned long flags = swpipl(IPL_MAX); + + barrier(); alpha_mv.hae_cache = new_hae; *alpha_mv.hae_register = new_hae; @@ -46,7 +46,8 @@ extern inline void __set_hae(unsigned long new_hae) /* Re-read to make sure it was written. */ new_hae = *alpha_mv.hae_register; - local_irq_restore(flags); + setipl(flags); + barrier(); } extern inline void set_hae(unsigned long new_hae) @@ -96,9 +97,6 @@ static inline dma_addr_t __deprecated isa_page_to_bus(struct page *page) return page_to_phys(page); } -/* This depends on working iommu. */ -#define BIO_VMERGE_BOUNDARY (alpha_mv.mv_pci_tbi ? PAGE_SIZE : 0) - /* Maximum PIO space address supported? */ #define IO_SPACE_LIMIT 0xffff @@ -491,6 +489,11 @@ extern inline void writeq(u64 b, volatile void __iomem *addr) } #endif +#define ioread16be(p) be16_to_cpu(ioread16(p)) +#define ioread32be(p) be32_to_cpu(ioread32(p)) +#define iowrite16be(v,p) iowrite16(cpu_to_be16(v), (p)) +#define iowrite32be(v,p) iowrite32(cpu_to_be32(v), (p)) + #define inb_p inb #define inw_p inw #define inl_p inl |