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path: root/drivers/infiniband/hw/mthca/mthca_eq.c
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Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_eq.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c51
1 files changed, 10 insertions, 41 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index cc6858f0b65..28f0e0c40d7 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);
}
}