From 80fd8238734c852a8ed1ea39f8444a2df33bd161 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Mon, 27 Jun 2005 14:36:45 -0700 Subject: [PATCH] [PATCH] IB/mthca: Encapsulate command interface init Encapsulate mthca command interface initialization/cleanup. Signed-off-by: Roland Dreier Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/infiniband/hw/mthca/mthca_cmd.c | 21 +++++++++++++++++++++ drivers/infiniband/hw/mthca/mthca_cmd.h | 2 ++ drivers/infiniband/hw/mthca/mthca_main.c | 23 +++++++---------------- 3 files changed, 30 insertions(+), 16 deletions(-) diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index cd9ed958d92f..78d4891720e9 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -431,6 +431,27 @@ static int mthca_cmd_imm(struct mthca_dev *dev, timeout, status); } +int mthca_cmd_init(struct mthca_dev *dev) +{ + sema_init(&dev->cmd.hcr_sem, 1); + sema_init(&dev->cmd.poll_sem, 1); + dev->cmd.use_events = 0; + + dev->hcr = ioremap(pci_resource_start(dev->pdev, 0) + MTHCA_HCR_BASE, + MTHCA_HCR_SIZE); + if (!dev->hcr) { + mthca_err(dev, "Couldn't map command register."); + return -ENOMEM; + } + + return 0; +} + +void mthca_cmd_cleanup(struct mthca_dev *dev) +{ + iounmap(dev->hcr); +} + /* * Switch to using events to issue FW commands (should be called after * event queue to command events has been initialized). diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.h b/drivers/infiniband/hw/mthca/mthca_cmd.h index adf039b3c540..a8d4231e886a 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.h +++ b/drivers/infiniband/hw/mthca/mthca_cmd.h @@ -235,6 +235,8 @@ struct mthca_set_ib_param { u32 cap_mask; }; +int mthca_cmd_init(struct mthca_dev *dev); +void mthca_cmd_cleanup(struct mthca_dev *dev); int mthca_cmd_use_events(struct mthca_dev *dev); void mthca_cmd_use_polling(struct mthca_dev *dev); void mthca_cmd_event(struct mthca_dev *dev, u16 token, diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c index 7f8106a0f2b0..09519b604c08 100644 --- a/drivers/infiniband/hw/mthca/mthca_main.c +++ b/drivers/infiniband/hw/mthca/mthca_main.c @@ -1005,25 +1005,18 @@ static int __devinit mthca_init_one(struct pci_dev *pdev, !pci_enable_msi(pdev)) mdev->mthca_flags |= MTHCA_FLAG_MSI; - sema_init(&mdev->cmd.hcr_sem, 1); - sema_init(&mdev->cmd.poll_sem, 1); - mdev->cmd.use_events = 0; - - mdev->hcr = ioremap(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE, MTHCA_HCR_SIZE); - if (!mdev->hcr) { - mthca_err(mdev, "Couldn't map command register, " - "aborting.\n"); - err = -ENOMEM; + if (mthca_cmd_init(mdev)) { + mthca_err(mdev, "Failed to init command interface, aborting.\n"); goto err_free_dev; } err = mthca_tune_pci(mdev); if (err) - goto err_iounmap; + goto err_cmd; err = mthca_init_hca(mdev); if (err) - goto err_iounmap; + goto err_cmd; if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) { mthca_warn(mdev, "HCA FW version %x.%x.%x is old (%x.%x.%x is current).\n", @@ -1071,8 +1064,8 @@ err_cleanup: err_close: mthca_close_hca(mdev); -err_iounmap: - iounmap(mdev->hcr); +err_cmd: + mthca_cmd_cleanup(mdev); err_free_dev: if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) @@ -1119,10 +1112,8 @@ static void __devexit mthca_remove_one(struct pci_dev *pdev) iounmap(mdev->kar); mthca_uar_free(mdev, &mdev->driver_uar); mthca_cleanup_uar_table(mdev); - mthca_close_hca(mdev); - - iounmap(mdev->hcr); + mthca_cmd_cleanup(mdev); if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) pci_disable_msix(pdev); -- 2.20.1