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| author | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
| commit | b10778a00d40b3d9fdaaf5891e802794781ff71c (patch) | |
| tree | 6ba4cbac86eecedc3f30650e7f764ecf00c83898 /drivers/misc/genwqe/card_utils.c | |
| parent | 594081ee7145cc30a3977cb4e218f81213b63dc5 (diff) | |
| parent | bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff) | |
Merge commit 'v3.17' into next
Diffstat (limited to 'drivers/misc/genwqe/card_utils.c')
| -rw-r--r-- | drivers/misc/genwqe/card_utils.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_utils.c index 62cc6bb3f62..a6400f09229 100644 --- a/drivers/misc/genwqe/card_utils.c +++ b/drivers/misc/genwqe/card_utils.c @@ -53,12 +53,17 @@ */ int __genwqe_writeq(struct genwqe_dev *cd, u64 byte_offs, u64 val) { + struct pci_dev *pci_dev = cd->pci_dev; + if (cd->err_inject & GENWQE_INJECT_HARDWARE_FAILURE) return -EIO; if (cd->mmio == NULL) return -EIO; + if (pci_channel_offline(pci_dev)) + return -EIO; + __raw_writeq((__force u64)cpu_to_be64(val), cd->mmio + byte_offs); return 0; } @@ -99,12 +104,17 @@ u64 __genwqe_readq(struct genwqe_dev *cd, u64 byte_offs) */ int __genwqe_writel(struct genwqe_dev *cd, u64 byte_offs, u32 val) { + struct pci_dev *pci_dev = cd->pci_dev; + if (cd->err_inject & GENWQE_INJECT_HARDWARE_FAILURE) return -EIO; if (cd->mmio == NULL) return -EIO; + if (pci_channel_offline(pci_dev)) + return -EIO; + __raw_writel((__force u32)cpu_to_be32(val), cd->mmio + byte_offs); return 0; } @@ -718,10 +728,12 @@ int genwqe_set_interrupt_capability(struct genwqe_dev *cd, int count) int rc; struct pci_dev *pci_dev = cd->pci_dev; - rc = pci_enable_msi_exact(pci_dev, count); - if (rc == 0) - cd->flags |= GENWQE_FLAG_MSI_ENABLED; - return rc; + rc = pci_enable_msi_range(pci_dev, 1, count); + if (rc < 0) + return rc; + + cd->flags |= GENWQE_FLAG_MSI_ENABLED; + return 0; } /** |