diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2015-08-17 17:28:46 +0300 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-08-25 03:20:54 +0200 |
| commit | 3277b4ea216e5cd7d3f6095ff40f1a9e574f37b3 (patch) | |
| tree | 2edf75fec227325b07fa6f469e239c6359840b52 /drivers/acpi | |
| parent | Linux 4.2-rc8 (diff) | |
| download | linux-dev-3277b4ea216e5cd7d3f6095ff40f1a9e574f37b3.tar.xz linux-dev-3277b4ea216e5cd7d3f6095ff40f1a9e574f37b3.zip | |
ACPI / osl: replace custom implementation of readq / writeq
The readq() and writeq() helpers are available in the
asm-generic/io-64-nonatomic-hi-lo.h and asm-generic/io-64-nonatomic-lo-hi.h
headers. Replace custom implementation by the generic helpers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/osl.c | 33 |
1 files changed, 3 insertions, 30 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 3b8963f21b36..64077e87477a 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -47,6 +47,7 @@ #include <asm/io.h> #include <asm/uaccess.h> +#include <asm-generic/io-64-nonatomic-lo-hi.h> #include "internal.h" @@ -947,21 +948,6 @@ acpi_status acpi_os_write_port(acpi_io_address port, u32 value, u32 width) EXPORT_SYMBOL(acpi_os_write_port); -#ifdef readq -static inline u64 read64(const volatile void __iomem *addr) -{ - return readq(addr); -} -#else -static inline u64 read64(const volatile void __iomem *addr) -{ - u64 l, h; - l = readl(addr); - h = readl(addr+4); - return l | (h << 32); -} -#endif - acpi_status acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) { @@ -994,7 +980,7 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) *(u32 *) value = readl(virt_addr); break; case 64: - *(u64 *) value = read64(virt_addr); + *(u64 *) value = readq(virt_addr); break; default: BUG(); @@ -1008,19 +994,6 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) return AE_OK; } -#ifdef writeq -static inline void write64(u64 val, volatile void __iomem *addr) -{ - writeq(val, addr); -} -#else -static inline void write64(u64 val, volatile void __iomem *addr) -{ - writel(val, addr); - writel(val>>32, addr+4); -} -#endif - acpi_status acpi_os_write_memory(acpi_physical_address phys_addr, u64 value, u32 width) { @@ -1049,7 +1022,7 @@ acpi_os_write_memory(acpi_physical_address phys_addr, u64 value, u32 width) writel(value, virt_addr); break; case 64: - write64(value, virt_addr); + writeq(value, virt_addr); break; default: BUG(); |