diff options
Diffstat (limited to 'drivers/scsi/isci/core/sci_util.h')
| -rw-r--r-- | drivers/scsi/isci/core/sci_util.h | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/drivers/scsi/isci/core/sci_util.h b/drivers/scsi/isci/core/sci_util.h index 8f2ba35d955f..9748c76df387 100644 --- a/drivers/scsi/isci/core/sci_util.h +++ b/drivers/scsi/isci/core/sci_util.h @@ -85,45 +85,6 @@ #define sci_cb_make_physical_address(physical_addr, addr_upper, addr_lower) \ ((physical_addr) = (addr_lower) | ((u64)addr_upper) << 32) - -/** - * sci_physical_address_add() - - * - * This macro simply performs addition on an dma_addr_t type. The - * lower u32 value is "clipped" or "wrapped" back through 0. When this occurs - * the upper 32-bits are incremented by 1. - */ -#define sci_physical_address_add(physical_address, value) \ - { \ - u32 lower = lower_32_bits((physical_address)); \ - u32 upper = upper_32_bits((physical_address)); \ - \ - if (lower + (value) < lower) \ - upper += 1; \ - \ - lower += (value); \ - sci_cb_make_physical_address(physical_address, upper, lower); \ - } - -/** - * sci_physical_address_subtract() - - * - * This macro simply performs subtraction on an dma_addr_t type. The - * lower u32 value is "clipped" or "wrapped" back through 0. When this occurs - * the upper 32-bits are decremented by 1. - */ -#define sci_physical_address_subtract(physical_address, value) \ - { \ - u32 lower = lower_32_bits((physical_address)); \ - u32 upper = upper_32_bits((physical_address)); \ - \ - if (lower - (value) > lower) \ - upper -= 1; \ - \ - lower -= (value); \ - sci_cb_make_physical_address(physical_address, upper, lower); \ - } - /** * scic_word_copy_with_swap() - Copy the data from source to destination and * swap the bytes during the copy. |