diff options
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 10 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_dev.h | 13 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_eq.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_main.c | 38 |
4 files changed, 13 insertions, 54 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 20c4c8bac9d..9b8291f4c21 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -295,16 +295,6 @@ Who: linuxppc-dev@ozlabs.org --------------------------- -What: mthca driver's MSI support -When: January 2008 -Files: drivers/infiniband/hw/mthca/*.[ch] -Why: All mthca hardware also supports MSI-X, which provides - strictly more functionality than MSI. So there is no point in - having both MSI-X and MSI support in the driver. -Who: Roland Dreier <rolandd@cisco.com> - ---------------------------- - What: sk98lin network driver When: Feburary 2008 Why: In kernel tree version of driver is unmaintained. Sk98lin driver diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h index 15aa32eb78b..7bbdd1f4e6c 100644 --- a/drivers/infiniband/hw/mthca/mthca_dev.h +++ b/drivers/infiniband/hw/mthca/mthca_dev.h @@ -60,13 +60,12 @@ enum { MTHCA_FLAG_DDR_HIDDEN = 1 << 1, MTHCA_FLAG_SRQ = 1 << 2, - MTHCA_FLAG_MSI = 1 << 3, - MTHCA_FLAG_MSI_X = 1 << 4, - MTHCA_FLAG_NO_LAM = 1 << 5, - MTHCA_FLAG_FMR = 1 << 6, - MTHCA_FLAG_MEMFREE = 1 << 7, - MTHCA_FLAG_PCIE = 1 << 8, - MTHCA_FLAG_SINAI_OPT = 1 << 9 + MTHCA_FLAG_MSI_X = 1 << 3, + MTHCA_FLAG_NO_LAM = 1 << 4, + MTHCA_FLAG_FMR = 1 << 5, + MTHCA_FLAG_MEMFREE = 1 << 6, + MTHCA_FLAG_PCIE = 1 << 7, + MTHCA_FLAG_SINAI_OPT = 1 << 8 }; enum { diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c index b29de51b7f3..b60eb5df96e 100644 --- a/drivers/infiniband/hw/mthca/mthca_eq.c +++ b/drivers/infiniband/hw/mthca/mthca_eq.c @@ -827,8 +827,7 @@ int mthca_init_eq_table(struct mthca_dev *dev) if (err) goto err_out_free; - if (dev->mthca_flags & MTHCA_FLAG_MSI || - dev->mthca_flags & MTHCA_FLAG_MSI_X) { + if (dev->mthca_flags & MTHCA_FLAG_MSI_X) { dev->eq_table.clr_mask = 0; } else { dev->eq_table.clr_mask = @@ -839,8 +838,7 @@ int mthca_init_eq_table(struct mthca_dev *dev) dev->eq_table.arm_mask = 0; - intr = (dev->mthca_flags & MTHCA_FLAG_MSI) ? - 128 : dev->eq_table.inta_pin; + intr = dev->eq_table.inta_pin; err = mthca_create_eq(dev, dev->limits.num_cqs + MTHCA_NUM_SPARE_EQE, (dev->mthca_flags & MTHCA_FLAG_MSI_X) ? 128 : intr, diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c index 60de6f93869..2fc36ca134a 100644 --- a/drivers/infiniband/hw/mthca/mthca_main.c +++ b/drivers/infiniband/hw/mthca/mthca_main.c @@ -65,14 +65,9 @@ static int msi_x = 1; module_param(msi_x, int, 0444); MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); -static int msi = 0; -module_param(msi, int, 0444); -MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero (deprecated, use MSI-X instead)"); - #else /* CONFIG_PCI_MSI */ #define msi_x (0) -#define msi (0) #endif /* CONFIG_PCI_MSI */ @@ -816,13 +811,11 @@ static int mthca_setup_hca(struct mthca_dev *dev) err = mthca_NOP(dev, &status); if (err || status) { - if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X)) { + if (dev->mthca_flags & MTHCA_FLAG_MSI_X) { mthca_warn(dev, "NOP command failed to generate interrupt " "(IRQ %d).\n", - dev->mthca_flags & MTHCA_FLAG_MSI_X ? - dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector : - dev->pdev->irq); - mthca_warn(dev, "Trying again with MSI/MSI-X disabled.\n"); + dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector); + mthca_warn(dev, "Trying again with MSI-X disabled.\n"); } else { mthca_err(dev, "NOP command failed to generate interrupt " "(IRQ %d), aborting.\n", @@ -1128,29 +1121,12 @@ static int __mthca_init_one(struct pci_dev *pdev, int hca_type) if (msi_x && !mthca_enable_msi_x(mdev)) mdev->mthca_flags |= MTHCA_FLAG_MSI_X; - else if (msi) { - static int warned; - - if (!warned) { - printk(KERN_WARNING PFX "WARNING: MSI support will be " - "removed from the ib_mthca driver in January 2008.\n"); - printk(KERN_WARNING " If you are using MSI and cannot " - "switch to MSI-X, please tell " - "<general@lists.openfabrics.org>.\n"); - ++warned; - } - - if (!pci_enable_msi(pdev)) - mdev->mthca_flags |= MTHCA_FLAG_MSI; - } err = mthca_setup_hca(mdev); - if (err == -EBUSY && (mdev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))) { + if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) { if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) pci_disable_msix(pdev); - if (mdev->mthca_flags & MTHCA_FLAG_MSI) - pci_disable_msi(pdev); - mdev->mthca_flags &= ~(MTHCA_FLAG_MSI_X | MTHCA_FLAG_MSI); + mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X; err = mthca_setup_hca(mdev); } @@ -1192,8 +1168,6 @@ err_cleanup: err_close: if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) pci_disable_msix(pdev); - if (mdev->mthca_flags & MTHCA_FLAG_MSI) - pci_disable_msi(pdev); mthca_close_hca(mdev); @@ -1246,8 +1220,6 @@ static void __mthca_remove_one(struct pci_dev *pdev) if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) pci_disable_msix(pdev); - if (mdev->mthca_flags & MTHCA_FLAG_MSI) - pci_disable_msi(pdev); ib_dealloc_device(&mdev->ib_dev); mthca_release_regions(pdev, mdev->mthca_flags & |