From 3d77565ba5e5b9075a4f6d7d6d15996f5e582659 Mon Sep 17 00:00:00 2001 From: Tom Lendacky Date: Thu, 5 Jun 2014 10:17:45 -0500 Subject: [PATCH] crypto: ccp - Modify PCI support in prep for arm64 support Modify the PCI device support in prep for supporting the CCP as a platform device for arm64. Signed-off-by: Tom Lendacky Signed-off-by: Herbert Xu --- drivers/crypto/ccp/ccp-dev.h | 3 +-- drivers/crypto/ccp/ccp-pci.c | 39 +++++++++++++----------------------- 2 files changed, 15 insertions(+), 27 deletions(-) diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h index 7ec536e702ec..72bf1536b653 100644 --- a/drivers/crypto/ccp/ccp-dev.h +++ b/drivers/crypto/ccp/ccp-dev.h @@ -23,8 +23,6 @@ #include -#define IO_OFFSET 0x20000 - #define MAX_DMAPOOL_NAME_LEN 32 #define MAX_HW_QUEUES 5 @@ -194,6 +192,7 @@ struct ccp_device { void *dev_specific; int (*get_irq)(struct ccp_device *ccp); void (*free_irq)(struct ccp_device *ccp); + unsigned int irq; /* * I/O area used for device communication. The register mapping diff --git a/drivers/crypto/ccp/ccp-pci.c b/drivers/crypto/ccp/ccp-pci.c index 0d746236df5e..180cc87b4dbb 100644 --- a/drivers/crypto/ccp/ccp-pci.c +++ b/drivers/crypto/ccp/ccp-pci.c @@ -12,8 +12,10 @@ #include #include +#include #include #include +#include #include #include #include @@ -24,6 +26,8 @@ #include "ccp-dev.h" #define IO_BAR 2 +#define IO_OFFSET 0x20000 + #define MSIX_VECTORS 2 struct ccp_msix { @@ -89,7 +93,8 @@ static int ccp_get_msi_irq(struct ccp_device *ccp) if (ret) return ret; - ret = request_irq(pdev->irq, ccp_irq_handler, 0, "ccp", dev); + ccp->irq = pdev->irq; + ret = request_irq(ccp->irq, ccp_irq_handler, 0, "ccp", dev); if (ret) { dev_notice(dev, "unable to allocate MSI IRQ (%d)\n", ret); goto e_msi; @@ -136,7 +141,7 @@ static void ccp_free_irqs(struct ccp_device *ccp) dev); pci_disable_msix(pdev); } else { - free_irq(pdev->irq, dev); + free_irq(ccp->irq, dev); pci_disable_msi(pdev); } } @@ -147,21 +152,12 @@ static int ccp_find_mmio_area(struct ccp_device *ccp) struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); resource_size_t io_len; unsigned long io_flags; - int bar; io_flags = pci_resource_flags(pdev, IO_BAR); io_len = pci_resource_len(pdev, IO_BAR); if ((io_flags & IORESOURCE_MEM) && (io_len >= (IO_OFFSET + 0x800))) return IO_BAR; - for (bar = 0; bar < PCI_STD_RESOURCE_END; bar++) { - io_flags = pci_resource_flags(pdev, bar); - io_len = pci_resource_len(pdev, bar); - if ((io_flags & IORESOURCE_MEM) && - (io_len >= (IO_OFFSET + 0x800))) - return bar; - } - return -EIO; } @@ -214,20 +210,13 @@ static int ccp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) } ccp->io_regs = ccp->io_map + IO_OFFSET; - ret = dma_set_mask(dev, DMA_BIT_MASK(48)); - if (ret == 0) { - ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(48)); + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48)); + if (ret) { + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); if (ret) { - dev_err(dev, - "pci_set_consistent_dma_mask failed (%d)\n", + dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n", ret); - goto e_bar0; - } - } else { - ret = dma_set_mask(dev, DMA_BIT_MASK(32)); - if (ret) { - dev_err(dev, "pci_set_dma_mask failed (%d)\n", ret); - goto e_bar0; + goto e_iomap; } } @@ -235,13 +224,13 @@ static int ccp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) ret = ccp_init(ccp); if (ret) - goto e_bar0; + goto e_iomap; dev_notice(dev, "enabled\n"); return 0; -e_bar0: +e_iomap: pci_iounmap(pdev, ccp->io_map); e_device: -- 2.39.5