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path: root/drivers/infiniband/hw/mthca
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Diffstat (limited to 'drivers/infiniband/hw/mthca')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_catas.c15
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c51
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c59
3 files changed, 14 insertions, 111 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_catas.c b/drivers/infiniband/hw/mthca/mthca_catas.c
index cc440f90000b..65ad359fdf16 100644
--- a/drivers/infiniband/hw/mthca/mthca_catas.c
+++ b/drivers/infiniband/hw/mthca/mthca_catas.c
@@ -149,18 +149,10 @@ void mthca_start_catas_poll(struct mthca_dev *dev)
((pci_resource_len(dev->pdev, 0) - 1) &
dev->catas_err.addr);
- if (!request_mem_region(addr, dev->catas_err.size * 4,
- DRV_NAME)) {
- mthca_warn(dev, "couldn't request catastrophic error region "
- "at 0x%lx/0x%x\n", addr, dev->catas_err.size * 4);
- return;
- }
-
dev->catas_err.map = ioremap(addr, dev->catas_err.size * 4);
if (!dev->catas_err.map) {
mthca_warn(dev, "couldn't map catastrophic error region "
"at 0x%lx/0x%x\n", addr, dev->catas_err.size * 4);
- release_mem_region(addr, dev->catas_err.size * 4);
return;
}
@@ -175,13 +167,8 @@ void mthca_stop_catas_poll(struct mthca_dev *dev)
{
del_timer_sync(&dev->catas_err.timer);
- if (dev->catas_err.map) {
+ if (dev->catas_err.map)
iounmap(dev->catas_err.map);
- release_mem_region(pci_resource_start(dev->pdev, 0) +
- ((pci_resource_len(dev->pdev, 0) - 1) &
- dev->catas_err.addr),
- dev->catas_err.size * 4);
- }
spin_lock_irq(&catas_lock);
list_del(&dev->catas_err.list);
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index cc6858f0b65b..28f0e0c40d7d 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -652,27 +652,13 @@ static int mthca_map_reg(struct mthca_dev *dev,
{
unsigned long base = pci_resource_start(dev->pdev, 0);
- if (!request_mem_region(base + offset, size, DRV_NAME))
- return -EBUSY;
-
*map = ioremap(base + offset, size);
- if (!*map) {
- release_mem_region(base + offset, size);
+ if (!*map)
return -ENOMEM;
- }
return 0;
}
-static void mthca_unmap_reg(struct mthca_dev *dev, unsigned long offset,
- unsigned long size, void __iomem *map)
-{
- unsigned long base = pci_resource_start(dev->pdev, 0);
-
- release_mem_region(base + offset, size);
- iounmap(map);
-}
-
static int mthca_map_eq_regs(struct mthca_dev *dev)
{
if (mthca_is_memfree(dev)) {
@@ -699,9 +685,7 @@ static int mthca_map_eq_regs(struct mthca_dev *dev)
dev->fw.arbel.eq_arm_base) + 4, 4,
&dev->eq_regs.arbel.eq_arm)) {
mthca_err(dev, "Couldn't map EQ arm register, aborting.\n");
- mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.clr_int_base, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->clr_base);
return -ENOMEM;
}
@@ -710,12 +694,8 @@ static int mthca_map_eq_regs(struct mthca_dev *dev)
MTHCA_EQ_SET_CI_SIZE,
&dev->eq_regs.arbel.eq_set_ci_base)) {
mthca_err(dev, "Couldn't map EQ CI register, aborting.\n");
- mthca_unmap_reg(dev, ((pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.eq_arm_base) + 4, 4,
- dev->eq_regs.arbel.eq_arm);
- mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.clr_int_base, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->eq_regs.arbel.eq_arm);
+ iounmap(dev->clr_base);
return -ENOMEM;
}
} else {
@@ -731,8 +711,7 @@ static int mthca_map_eq_regs(struct mthca_dev *dev)
&dev->eq_regs.tavor.ecr_base)) {
mthca_err(dev, "Couldn't map ecr register, "
"aborting.\n");
- mthca_unmap_reg(dev, MTHCA_CLR_INT_BASE, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->clr_base);
return -ENOMEM;
}
}
@@ -744,22 +723,12 @@ static int mthca_map_eq_regs(struct mthca_dev *dev)
static void mthca_unmap_eq_regs(struct mthca_dev *dev)
{
if (mthca_is_memfree(dev)) {
- mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.eq_set_ci_base,
- MTHCA_EQ_SET_CI_SIZE,
- dev->eq_regs.arbel.eq_set_ci_base);
- mthca_unmap_reg(dev, ((pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.eq_arm_base) + 4, 4,
- dev->eq_regs.arbel.eq_arm);
- mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.clr_int_base, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->eq_regs.arbel.eq_set_ci_base);
+ iounmap(dev->eq_regs.arbel.eq_arm);
+ iounmap(dev->clr_base);
} else {
- mthca_unmap_reg(dev, MTHCA_ECR_BASE,
- MTHCA_ECR_SIZE + MTHCA_ECR_CLR_SIZE,
- dev->eq_regs.tavor.ecr_base);
- mthca_unmap_reg(dev, MTHCA_CLR_INT_BASE, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->eq_regs.tavor.ecr_base);
+ iounmap(dev->clr_base);
}
}
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index fb9f91b60f30..52f60f4eea00 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -921,58 +921,6 @@ err_uar_table_free:
return err;
}
-static int mthca_request_regions(struct pci_dev *pdev, int ddr_hidden)
-{
- int err;
-
- /*
- * We can't just use pci_request_regions() because the MSI-X
- * table is right in the middle of the first BAR. If we did
- * pci_request_region and grab all of the first BAR, then
- * setting up MSI-X would fail, since the PCI core wants to do
- * request_mem_region on the MSI-X vector table.
- *
- * So just request what we need right now, and request any
- * other regions we need when setting up EQs.
- */
- if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE, DRV_NAME))
- return -EBUSY;
-
- err = pci_request_region(pdev, 2, DRV_NAME);
- if (err)
- goto err_bar2_failed;
-
- if (!ddr_hidden) {
- err = pci_request_region(pdev, 4, DRV_NAME);
- if (err)
- goto err_bar4_failed;
- }
-
- return 0;
-
-err_bar4_failed:
- pci_release_region(pdev, 2);
-
-err_bar2_failed:
- release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE);
-
- return err;
-}
-
-static void mthca_release_regions(struct pci_dev *pdev,
- int ddr_hidden)
-{
- if (!ddr_hidden)
- pci_release_region(pdev, 4);
-
- pci_release_region(pdev, 2);
-
- release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE);
-}
-
static int mthca_enable_msi_x(struct mthca_dev *mdev)
{
struct msix_entry entries[3];
@@ -1059,7 +1007,7 @@ static int __mthca_init_one(struct pci_dev *pdev, int hca_type)
if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
ddr_hidden = 1;
- err = mthca_request_regions(pdev, ddr_hidden);
+ err = pci_request_regions(pdev, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "Cannot obtain PCI resources, "
"aborting.\n");
@@ -1196,7 +1144,7 @@ err_free_dev:
ib_dealloc_device(&mdev->ib_dev);
err_free_res:
- mthca_release_regions(pdev, ddr_hidden);
+ pci_release_regions(pdev);
err_disable_pdev:
pci_disable_device(pdev);
@@ -1240,8 +1188,7 @@ static void __mthca_remove_one(struct pci_dev *pdev)
pci_disable_msix(pdev);
ib_dealloc_device(&mdev->ib_dev);
- mthca_release_regions(pdev, mdev->mthca_flags &
- MTHCA_FLAG_DDR_HIDDEN);
+ pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-27 06:18:05 +0300