diff options
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/osl.c | 64 | ||||
-rw-r--r-- | drivers/acpi/processor_core.c | 2 | ||||
-rw-r--r-- | drivers/acpi/tables.c | 3 |
3 files changed, 18 insertions, 51 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index ac5bbaedac1..13b5fd5854a 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -156,12 +156,10 @@ acpi_status acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *addr) { if (efi_enabled) { addr->pointer_type = ACPI_PHYSICAL_POINTER; - if (efi.acpi20) - addr->pointer.physical = - (acpi_physical_address) virt_to_phys(efi.acpi20); - else if (efi.acpi) - addr->pointer.physical = - (acpi_physical_address) virt_to_phys(efi.acpi); + if (efi.acpi20 != EFI_INVALID_TABLE_ADDR) + addr->pointer.physical = efi.acpi20; + else if (efi.acpi != EFI_INVALID_TABLE_ADDR) + addr->pointer.physical = efi.acpi; else { printk(KERN_ERR PREFIX "System description tables not found\n"); @@ -182,22 +180,14 @@ acpi_status acpi_os_map_memory(acpi_physical_address phys, acpi_size size, void __iomem ** virt) { - if (efi_enabled) { - if (EFI_MEMORY_WB & efi_mem_attributes(phys)) { - *virt = (void __iomem *)phys_to_virt(phys); - } else { - *virt = ioremap(phys, size); - } - } else { - if (phys > ULONG_MAX) { - printk(KERN_ERR PREFIX "Cannot map memory that high\n"); - return AE_BAD_PARAMETER; - } - /* - * ioremap checks to ensure this is in reserved space - */ - *virt = ioremap((unsigned long)phys, size); + if (phys > ULONG_MAX) { + printk(KERN_ERR PREFIX "Cannot map memory that high\n"); + return AE_BAD_PARAMETER; } + /* + * ioremap checks to ensure this is in reserved space + */ + *virt = ioremap((unsigned long)phys, size); if (!*virt) return AE_NO_MEMORY; @@ -409,18 +399,8 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width) { u32 dummy; void __iomem *virt_addr; - int iomem = 0; - if (efi_enabled) { - if (EFI_MEMORY_WB & efi_mem_attributes(phys_addr)) { - /* HACK ALERT! We can use readb/w/l on real memory too.. */ - virt_addr = (void __iomem *)phys_to_virt(phys_addr); - } else { - iomem = 1; - virt_addr = ioremap(phys_addr, width); - } - } else - virt_addr = (void __iomem *)phys_to_virt(phys_addr); + virt_addr = ioremap(phys_addr, width); if (!value) value = &dummy; @@ -438,10 +418,7 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width) BUG(); } - if (efi_enabled) { - if (iomem) - iounmap(virt_addr); - } + iounmap(virt_addr); return AE_OK; } @@ -450,18 +427,8 @@ acpi_status acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width) { void __iomem *virt_addr; - int iomem = 0; - if (efi_enabled) { - if (EFI_MEMORY_WB & efi_mem_attributes(phys_addr)) { - /* HACK ALERT! We can use writeb/w/l on real memory too */ - virt_addr = (void __iomem *)phys_to_virt(phys_addr); - } else { - iomem = 1; - virt_addr = ioremap(phys_addr, width); - } - } else - virt_addr = (void __iomem *)phys_to_virt(phys_addr); + virt_addr = ioremap(phys_addr, width); switch (width) { case 8: @@ -477,8 +444,7 @@ acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width) BUG(); } - if (iomem) - iounmap(virt_addr); + iounmap(virt_addr); return AE_OK; } diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 99a3a28594d..713b763884a 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -246,7 +246,7 @@ static int acpi_processor_errata(struct acpi_processor *pr) } /* -------------------------------------------------------------------------- - Common ACPI processor fucntions + Common ACPI processor functions -------------------------------------------------------------------------- */ /* diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 31d4f3ffc26..7f37c7cc5ef 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -587,7 +587,8 @@ int __init acpi_table_init(void) return -ENODEV; } - rsdp = (struct acpi_table_rsdp *)__va(rsdp_phys); + rsdp = (struct acpi_table_rsdp *)__acpi_map_table(rsdp_phys, + sizeof(struct acpi_table_rsdp)); if (!rsdp) { printk(KERN_WARNING PREFIX "Unable to map RSDP\n"); return -ENODEV; |