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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-14 13:13:25 +0000 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-14 13:13:25 +0000 |
commit | 7d9aca39dcacd2b3f42e2e287162329f410f93e1 (patch) | |
tree | 2907b680b2b7625226f46d23d74ccc9c58ad0362 /drivers/acpi/apei/apei-base.c | |
parent | e1c1c69c8fc7656c33460c8e085ac0d0be22ac3b (diff) | |
parent | a0cc0209abb9fe2b9ab71aa41be70eddd0cbdd61 (diff) | |
download | linux-7d9aca39dcacd2b3f42e2e287162329f410f93e1.tar.bz2 |
Merge remote-tracking branch 'regmap/topic/drivers' into regmap-next
Resolved simple add/add conflicts:
drivers/base/regmap/internal.h
drivers/base/regmap/regmap.c
Diffstat (limited to 'drivers/acpi/apei/apei-base.c')
-rw-r--r-- | drivers/acpi/apei/apei-base.c | 35 |
1 files changed, 4 insertions, 31 deletions
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index e45350cb6ac8..e5d53b7ddc7e 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -596,33 +596,19 @@ int apei_read(u64 *val, struct acpi_generic_address *reg) { int rc; u64 address; - u32 tmp, width = reg->bit_width; acpi_status status; rc = apei_check_gar(reg, &address); if (rc) return rc; - if (width == 64) - width = 32; /* Break into two 32-bit transfers */ - *val = 0; switch(reg->space_id) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: - status = acpi_os_read_memory((acpi_physical_address) - address, &tmp, width); + status = acpi_os_read_memory64((acpi_physical_address) + address, val, reg->bit_width); if (ACPI_FAILURE(status)) return -EIO; - *val = tmp; - - if (reg->bit_width == 64) { - /* Read the top 32 bits */ - status = acpi_os_read_memory((acpi_physical_address) - (address + 4), &tmp, 32); - if (ACPI_FAILURE(status)) - return -EIO; - *val |= ((u64)tmp << 32); - } break; case ACPI_ADR_SPACE_SYSTEM_IO: status = acpi_os_read_port(address, (u32 *)val, reg->bit_width); @@ -642,31 +628,18 @@ int apei_write(u64 val, struct acpi_generic_address *reg) { int rc; u64 address; - u32 width = reg->bit_width; acpi_status status; rc = apei_check_gar(reg, &address); if (rc) return rc; - if (width == 64) - width = 32; /* Break into two 32-bit transfers */ - switch (reg->space_id) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: - status = acpi_os_write_memory((acpi_physical_address) - address, ACPI_LODWORD(val), - width); + status = acpi_os_write_memory64((acpi_physical_address) + address, val, reg->bit_width); if (ACPI_FAILURE(status)) return -EIO; - - if (reg->bit_width == 64) { - status = acpi_os_write_memory((acpi_physical_address) - (address + 4), - ACPI_HIDWORD(val), 32); - if (ACPI_FAILURE(status)) - return -EIO; - } break; case ACPI_ADR_SPACE_SYSTEM_IO: status = acpi_os_write_port(address, val, reg->bit_width); |