From 66e3a2418b025871aee14ccf366a9841e0ae7ee0 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 11 Oct 2018 09:34:24 +0200 Subject: [PATCH] scsi: megaraid_mbox: 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 Signed-off-by: Martin K. Petersen --- drivers/scsi/megaraid/megaraid_mbox.c | 51 +++++++++++++-------------- 1 file changed, 25 insertions(+), 26 deletions(-) diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index eae826ba0c05..3b7abe5ca7f5 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -450,10 +450,9 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) // Setup the default DMA mask. This would be changed later on // depending on hardware capabilities - if (pci_set_dma_mask(adapter->pdev, DMA_BIT_MASK(32)) != 0) { - + if (dma_set_mask(&adapter->pdev->dev, DMA_BIT_MASK(32))) { con_log(CL_ANN, (KERN_WARNING - "megaraid: pci_set_dma_mask failed:%d\n", __LINE__)); + "megaraid: dma_set_mask failed:%d\n", __LINE__)); goto out_free_adapter; } @@ -871,11 +870,12 @@ megaraid_init_mbox(adapter_t *adapter) adapter->pdev->device == PCI_DEVICE_ID_PERC4_DI_EVERGLADES) || (adapter->pdev->vendor == PCI_VENDOR_ID_DELL && adapter->pdev->device == PCI_DEVICE_ID_PERC4E_DI_KOBUK)) { - if (pci_set_dma_mask(adapter->pdev, DMA_BIT_MASK(64))) { + if (dma_set_mask(&adapter->pdev->dev, DMA_BIT_MASK(64))) { con_log(CL_ANN, (KERN_WARNING "megaraid: DMA mask for 64-bit failed\n")); - if (pci_set_dma_mask (adapter->pdev, DMA_BIT_MASK(32))) { + if (dma_set_mask(&adapter->pdev->dev, + DMA_BIT_MASK(32))) { con_log(CL_ANN, (KERN_WARNING "megaraid: 32-bit DMA mask failed\n")); goto out_free_sysfs_res; @@ -968,9 +968,9 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) * Allocate the common 16-byte aligned memory for the handshake * mailbox. */ - raid_dev->una_mbox64 = pci_zalloc_consistent(adapter->pdev, - sizeof(mbox64_t), - &raid_dev->una_mbox64_dma); + raid_dev->una_mbox64 = dma_zalloc_coherent(&adapter->pdev->dev, + sizeof(mbox64_t), &raid_dev->una_mbox64_dma, + GFP_KERNEL); if (!raid_dev->una_mbox64) { con_log(CL_ANN, (KERN_WARNING @@ -996,8 +996,8 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) align; // Allocate memory for commands issued internally - adapter->ibuf = pci_zalloc_consistent(pdev, MBOX_IBUF_SIZE, - &adapter->ibuf_dma_h); + adapter->ibuf = dma_zalloc_coherent(&pdev->dev, MBOX_IBUF_SIZE, + &adapter->ibuf_dma_h, GFP_KERNEL); if (!adapter->ibuf) { con_log(CL_ANN, (KERN_WARNING @@ -1075,7 +1075,7 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) scb->scp = NULL; scb->state = SCB_FREE; - scb->dma_direction = PCI_DMA_NONE; + scb->dma_direction = DMA_NONE; scb->dma_type = MRAID_DMA_NONE; scb->dev_channel = -1; scb->dev_target = -1; @@ -1091,10 +1091,10 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) out_free_scb_list: kfree(adapter->kscb_list); out_free_ibuf: - pci_free_consistent(pdev, MBOX_IBUF_SIZE, (void *)adapter->ibuf, + dma_free_coherent(&pdev->dev, MBOX_IBUF_SIZE, (void *)adapter->ibuf, adapter->ibuf_dma_h); out_free_common_mbox: - pci_free_consistent(adapter->pdev, sizeof(mbox64_t), + dma_free_coherent(&adapter->pdev->dev, sizeof(mbox64_t), (caddr_t)raid_dev->una_mbox64, raid_dev->una_mbox64_dma); return -1; @@ -1116,10 +1116,10 @@ megaraid_free_cmd_packets(adapter_t *adapter) kfree(adapter->kscb_list); - pci_free_consistent(adapter->pdev, MBOX_IBUF_SIZE, + dma_free_coherent(&adapter->pdev->dev, MBOX_IBUF_SIZE, (void *)adapter->ibuf, adapter->ibuf_dma_h); - pci_free_consistent(adapter->pdev, sizeof(mbox64_t), + dma_free_coherent(&adapter->pdev->dev, sizeof(mbox64_t), (caddr_t)raid_dev->una_mbox64, raid_dev->una_mbox64_dma); return; } @@ -2901,9 +2901,8 @@ megaraid_mbox_product_info(adapter_t *adapter) * Issue an ENQUIRY3 command to find out certain adapter parameters, * e.g., max channels, max commands etc. */ - pinfo = pci_zalloc_consistent(adapter->pdev, sizeof(mraid_pinfo_t), - &pinfo_dma_h); - + pinfo = dma_zalloc_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), + &pinfo_dma_h, GFP_KERNEL); if (pinfo == NULL) { con_log(CL_ANN, (KERN_WARNING "megaraid: out of memory, %s %d\n", __func__, @@ -2924,7 +2923,7 @@ megaraid_mbox_product_info(adapter_t *adapter) con_log(CL_ANN, (KERN_WARNING "megaraid: Inquiry3 failed\n")); - pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t), + dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), pinfo, pinfo_dma_h); return -1; @@ -2955,7 +2954,7 @@ megaraid_mbox_product_info(adapter_t *adapter) con_log(CL_ANN, (KERN_WARNING "megaraid: product info failed\n")); - pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t), + dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), pinfo, pinfo_dma_h); return -1; @@ -2991,7 +2990,7 @@ megaraid_mbox_product_info(adapter_t *adapter) "megaraid: fw version:[%s] bios version:[%s]\n", adapter->fw_version, adapter->bios_version)); - pci_free_consistent(adapter->pdev, sizeof(mraid_pinfo_t), pinfo, + dma_free_coherent(&adapter->pdev->dev, sizeof(mraid_pinfo_t), pinfo, pinfo_dma_h); return 0; @@ -3459,7 +3458,7 @@ megaraid_cmm_register(adapter_t *adapter) scb->scp = NULL; scb->state = SCB_FREE; - scb->dma_direction = PCI_DMA_NONE; + scb->dma_direction = DMA_NONE; scb->dma_type = MRAID_DMA_NONE; scb->dev_channel = -1; scb->dev_target = -1; @@ -3597,7 +3596,7 @@ megaraid_mbox_mm_command(adapter_t *adapter, uioc_t *kioc) scb->state = SCB_ACTIVE; scb->dma_type = MRAID_DMA_NONE; - scb->dma_direction = PCI_DMA_NONE; + scb->dma_direction = DMA_NONE; ccb = (mbox_ccb_t *)scb->ccb; mbox64 = (mbox64_t *)(unsigned long)kioc->cmdbuf; @@ -3783,8 +3782,8 @@ megaraid_sysfs_alloc_resources(adapter_t *adapter) raid_dev->sysfs_mbox64 = kmalloc(sizeof(mbox64_t), GFP_KERNEL); - raid_dev->sysfs_buffer = pci_alloc_consistent(adapter->pdev, - PAGE_SIZE, &raid_dev->sysfs_buffer_dma); + raid_dev->sysfs_buffer = dma_alloc_coherent(&adapter->pdev->dev, + PAGE_SIZE, &raid_dev->sysfs_buffer_dma, GFP_KERNEL); if (!raid_dev->sysfs_uioc || !raid_dev->sysfs_mbox64 || !raid_dev->sysfs_buffer) { @@ -3821,7 +3820,7 @@ megaraid_sysfs_free_resources(adapter_t *adapter) kfree(raid_dev->sysfs_mbox64); if (raid_dev->sysfs_buffer) { - pci_free_consistent(adapter->pdev, PAGE_SIZE, + dma_free_coherent(&adapter->pdev->dev, PAGE_SIZE, raid_dev->sysfs_buffer, raid_dev->sysfs_buffer_dma); } } -- 2.45.2