diff options
Diffstat (limited to 'drivers/scsi/isci/unsolicited_frame_control.c')
| -rw-r--r-- | drivers/scsi/isci/unsolicited_frame_control.c | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/drivers/scsi/isci/unsolicited_frame_control.c b/drivers/scsi/isci/unsolicited_frame_control.c index 16f88ab939c8..04a6d0d59a22 100644 --- a/drivers/scsi/isci/unsolicited_frame_control.c +++ b/drivers/scsi/isci/unsolicited_frame_control.c @@ -57,31 +57,19 @@ #include "unsolicited_frame_control.h" #include "registers.h" -int sci_unsolicited_frame_control_construct(struct isci_host *ihost) +void sci_unsolicited_frame_control_construct(struct isci_host *ihost) { struct sci_unsolicited_frame_control *uf_control = &ihost->uf_control; struct sci_unsolicited_frame *uf; - u32 buf_len, header_len, i; - dma_addr_t dma; - size_t size; - void *virt; - - /* - * Prepare all of the memory sizes for the UF headers, UF address - * table, and UF buffers themselves. - */ - buf_len = SCU_MAX_UNSOLICITED_FRAMES * SCU_UNSOLICITED_FRAME_BUFFER_SIZE; - header_len = SCU_MAX_UNSOLICITED_FRAMES * sizeof(struct scu_unsolicited_frame_header); - size = buf_len + header_len + SCU_MAX_UNSOLICITED_FRAMES * sizeof(uf_control->address_table.array[0]); + dma_addr_t dma = ihost->ufi_dma; + void *virt = ihost->ufi_buf; + int i; /* * The Unsolicited Frame buffers are set at the start of the UF * memory descriptor entry. The headers and address table will be * placed after the buffers. */ - virt = dmam_alloc_coherent(&ihost->pdev->dev, size, &dma, GFP_KERNEL); - if (!virt) - return -ENOMEM; /* * Program the location of the UF header table into the SCU. @@ -93,8 +81,8 @@ int sci_unsolicited_frame_control_construct(struct isci_host *ihost) * headers, since we program the UF address table pointers to * NULL. */ - uf_control->headers.physical_address = dma + buf_len; - uf_control->headers.array = virt + buf_len; + uf_control->headers.physical_address = dma + SCI_UFI_BUF_SIZE; + uf_control->headers.array = virt + SCI_UFI_BUF_SIZE; /* * Program the location of the UF address table into the SCU. @@ -103,8 +91,8 @@ int sci_unsolicited_frame_control_construct(struct isci_host *ihost) * byte boundary already due to above programming headers being on a * 64-bit boundary and headers are on a 64-bytes in size. */ - uf_control->address_table.physical_address = dma + buf_len + header_len; - uf_control->address_table.array = virt + buf_len + header_len; + uf_control->address_table.physical_address = dma + SCI_UFI_BUF_SIZE + SCI_UFI_HDR_SIZE; + uf_control->address_table.array = virt + SCI_UFI_BUF_SIZE + SCI_UFI_HDR_SIZE; uf_control->get = 0; /* @@ -135,8 +123,6 @@ int sci_unsolicited_frame_control_construct(struct isci_host *ihost) virt += SCU_UNSOLICITED_FRAME_BUFFER_SIZE; dma += SCU_UNSOLICITED_FRAME_BUFFER_SIZE; } - - return 0; } enum sci_status sci_unsolicited_frame_control_get_header(struct sci_unsolicited_frame_control *uf_control, |