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accel/habanalabs: remove unused asic functions

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asic_dma_{un}map_single() asic-specific functions are no longer called
from the common code, so delete these functions.

In addition, delete the gaudi2 implementation as they are also not
called.

Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Reviewed-by: Ofir Bitton <obitton@habana.ai>
This commit is contained in:
Oded Gabbay 2023-09-19 13:26:02 +03:00
parent de8773fdc5
commit d7aa294805
2 changed files with 0 additions and 28 deletions
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8
drivers/accel/habanalabs/common/habanalabs.h
View File

@ -1520,8 +1520,6 @@ struct engines_data {
* @asic_dma_pool_free: free small DMA allocation from pool.
* @cpu_accessible_dma_pool_alloc: allocate CPU PQ packet from DMA pool.
* @cpu_accessible_dma_pool_free: free CPU PQ packet from DMA pool.
* @asic_dma_unmap_single: unmap a single DMA buffer
* @asic_dma_map_single: map a single buffer to a DMA
* @hl_dma_unmap_sgtable: DMA unmap scatter-gather table.
* @cs_parser: parse Command Submission.
* @asic_dma_map_sgtable: DMA map scatter-gather table.
@ -1645,12 +1643,6 @@ struct hl_asic_funcs {
size_t size, dma_addr_t *dma_handle);
void (*cpu_accessible_dma_pool_free)(struct hl_device *hdev,
size_t size, void *vaddr);
void (*asic_dma_unmap_single)(struct hl_device *hdev,
dma_addr_t dma_addr, int len,
enum dma_data_direction dir);
dma_addr_t (*asic_dma_map_single)(struct hl_device *hdev,
void *addr, int len,
enum dma_data_direction dir);
void (*hl_dma_unmap_sgtable)(struct hl_device *hdev,
struct sg_table *sgt,
enum dma_data_direction dir);

20
drivers/accel/habanalabs/gaudi2/gaudi2.c
View File

@ -6731,24 +6731,6 @@ static void gaudi2_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t s
hl_fw_cpu_accessible_dma_pool_free(hdev, size, vaddr);
}
static dma_addr_t gaudi2_dma_map_single(struct hl_device *hdev, void *addr, int len,
enum dma_data_direction dir)
{
dma_addr_t dma_addr;
dma_addr = dma_map_single(&hdev->pdev->dev, addr, len, dir);
if (unlikely(dma_mapping_error(&hdev->pdev->dev, dma_addr)))
return 0;
return dma_addr;
}
static void gaudi2_dma_unmap_single(struct hl_device *hdev, dma_addr_t addr, int len,
enum dma_data_direction dir)
{
dma_unmap_single(&hdev->pdev->dev, addr, len, dir);
}
static int gaudi2_validate_cb_address(struct hl_device *hdev, struct hl_cs_parser *parser)
{
struct asic_fixed_properties *asic_prop = &hdev->asic_prop;
@ -11515,8 +11497,6 @@ static const struct hl_asic_funcs gaudi2_funcs = {
.asic_dma_pool_free = gaudi2_dma_pool_free,
.cpu_accessible_dma_pool_alloc = gaudi2_cpu_accessible_dma_pool_alloc,
.cpu_accessible_dma_pool_free = gaudi2_cpu_accessible_dma_pool_free,
.asic_dma_unmap_single = gaudi2_dma_unmap_single,
.asic_dma_map_single = gaudi2_dma_map_single,
.hl_dma_unmap_sgtable = hl_dma_unmap_sgtable,
.cs_parser = gaudi2_cs_parser,
.asic_dma_map_sgtable = hl_dma_map_sgtable,