From f73bdebdf020a31ad43ce4de590ec7a09e383abd Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 10 Oct 2018 19:59:50 +0200 Subject: [PATCH] scsi: pm8001: switch to generic DMA API Switch from the legacy PCI DMA API to the generic DMA API. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn Reviewed-by: Jack Wang Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 22 +++++++++++----------- drivers/scsi/pm8001/pm8001_init.c | 28 +++++----------------------- drivers/scsi/pm8001/pm8001_sas.c | 8 ++++---- drivers/scsi/pm8001/pm80xx_hwi.c | 22 +++++++++++----------- 4 files changed, 31 insertions(+), 49 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index e37ab9789ba6..d0bb357034d8 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -2420,7 +2420,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) sata_resp = &psataPayload->sata_resp[0]; resp = (struct ata_task_resp *)ts->buf; if (t->ata_task.dma_xfer == 0 && - t->data_dir == PCI_DMA_FROMDEVICE) { + t->data_dir == DMA_FROM_DEVICE) { len = sizeof(struct pio_setup_fis); PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO read len = %d\n", len)); @@ -4203,12 +4203,12 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) return ret; } -/* PCI_DMA_... to our direction translation. */ +/* DMA_... to our direction translation. */ static const u8 data_dir_flags[] = { - [PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */ - [PCI_DMA_TODEVICE] = DATA_DIR_OUT,/* OUTBOUND */ - [PCI_DMA_FROMDEVICE] = DATA_DIR_IN,/* INBOUND */ - [PCI_DMA_NONE] = DATA_DIR_NONE,/* NO TRANSFER */ + [DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */ + [DMA_TO_DEVICE] = DATA_DIR_OUT, /* OUTBOUND */ + [DMA_FROM_DEVICE] = DATA_DIR_IN, /* INBOUND */ + [DMA_NONE] = DATA_DIR_NONE, /* NO TRANSFER */ }; void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd) @@ -4255,13 +4255,13 @@ static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha, * DMA-map SMP request, response buffers */ sg_req = &task->smp_task.smp_req; - elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE); + elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE); if (!elem) return -ENOMEM; req_len = sg_dma_len(sg_req); sg_resp = &task->smp_task.smp_resp; - elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE); + elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE); if (!elem) { rc = -ENOMEM; goto err_out; @@ -4294,10 +4294,10 @@ static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha, err_out_2: dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); err_out: dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); return rc; } @@ -4376,7 +4376,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, u32 opc = OPC_INB_SATA_HOST_OPSTART; memset(&sata_cmd, 0, sizeof(sata_cmd)); circularQ = &pm8001_ha->inbnd_q_tbl[0]; - if (task->data_dir == PCI_DMA_NONE) { + if (task->data_dir == DMA_NONE) { ATAP = 0x04; /* no data*/ PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n")); } else if (likely(!task->ata_task.device_control_reg_update)) { diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 501830caba21..d71e7e4ec29c 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -152,7 +152,7 @@ static void pm8001_free(struct pm8001_hba_info *pm8001_ha) for (i = 0; i < USI_MAX_MEMCNT; i++) { if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) { - pci_free_consistent(pm8001_ha->pdev, + dma_free_coherent(&pm8001_ha->pdev->dev, (pm8001_ha->memoryMap.region[i].total_len + pm8001_ha->memoryMap.region[i].alignment), pm8001_ha->memoryMap.region[i].virt_ptr, @@ -501,30 +501,12 @@ static int pci_go_44(struct pci_dev *pdev) { int rc; - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) { - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44)); - if (rc) { - rc = pci_set_consistent_dma_mask(pdev, - DMA_BIT_MASK(32)); - if (rc) { - dev_printk(KERN_ERR, &pdev->dev, - "44-bit DMA enable failed\n"); - return rc; - } - } - } else { - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) { + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); + if (rc) { + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (rc) dev_printk(KERN_ERR, &pdev->dev, "32-bit DMA enable failed\n"); - return rc; - } - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) { - dev_printk(KERN_ERR, &pdev->dev, - "32-bit consistent DMA enable failed\n"); - return rc; - } } return rc; } diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 84092e4e1aa9..b3be49d41375 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -116,8 +116,8 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr, u64 align_offset = 0; if (align) align_offset = (dma_addr_t)align - 1; - mem_virt_alloc = pci_zalloc_consistent(pdev, mem_size + align, - &mem_dma_handle); + mem_virt_alloc = dma_zalloc_coherent(&pdev->dev, mem_size + align, + &mem_dma_handle, GFP_KERNEL); if (!mem_virt_alloc) { pm8001_printk("memory allocation error\n"); return -1; @@ -533,9 +533,9 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, switch (task->task_proto) { case SAS_PROTOCOL_SMP: dma_unmap_sg(pm8001_ha->dev, &task->smp_task.smp_resp, 1, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); dma_unmap_sg(pm8001_ha->dev, &task->smp_task.smp_req, 1, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); break; case SAS_PROTOCOL_SATA: diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 9864a3c7547b..63e4f7d34d6c 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2133,7 +2133,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) sata_resp = &psataPayload->sata_resp[0]; resp = (struct ata_task_resp *)ts->buf; if (t->ata_task.dma_xfer == 0 && - t->data_dir == PCI_DMA_FROMDEVICE) { + t->data_dir == DMA_FROM_DEVICE) { len = sizeof(struct pio_setup_fis); PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO read len = %d\n", len)); @@ -3855,12 +3855,12 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) return ret; } -/* PCI_DMA_... to our direction translation. */ +/* DMA_... to our direction translation. */ static const u8 data_dir_flags[] = { - [PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */ - [PCI_DMA_TODEVICE] = DATA_DIR_OUT,/* OUTBOUND */ - [PCI_DMA_FROMDEVICE] = DATA_DIR_IN,/* INBOUND */ - [PCI_DMA_NONE] = DATA_DIR_NONE,/* NO TRANSFER */ + [DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */ + [DMA_TO_DEVICE] = DATA_DIR_OUT, /* OUTBOUND */ + [DMA_FROM_DEVICE] = DATA_DIR_IN, /* INBOUND */ + [DMA_NONE] = DATA_DIR_NONE, /* NO TRANSFER */ }; static void build_smp_cmd(u32 deviceID, __le32 hTag, @@ -3902,13 +3902,13 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, * DMA-map SMP request, response buffers */ sg_req = &task->smp_task.smp_req; - elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE); + elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE); if (!elem) return -ENOMEM; req_len = sg_dma_len(sg_req); sg_resp = &task->smp_task.smp_resp; - elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE); + elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE); if (!elem) { rc = -ENOMEM; goto err_out; @@ -3999,10 +3999,10 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, err_out_2: dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); err_out: dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); return rc; } @@ -4226,7 +4226,7 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM; circularQ = &pm8001_ha->inbnd_q_tbl[q_index]; - if (task->data_dir == PCI_DMA_NONE) { + if (task->data_dir == DMA_NONE) { ATAP = 0x04; /* no data*/ PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n")); } else if (likely(!task->ata_task.device_control_reg_update)) { -- 2.25.1