Skip to content

Commit

Permalink
iwlegacy: use writeb,writel,readl directly
Browse files Browse the repository at this point in the history
That change will save us some CPU cycles at run time. Having
port-based I/O seems to be not possible for PCIe devices.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
  • Loading branch information
Stanislaw Gruszka authored and John W. Linville committed Feb 22, 2012
1 parent 4e5ea20 commit a5f1613
Show file tree
Hide file tree
Showing 3 changed files with 9 additions and 9 deletions.
6 changes: 3 additions & 3 deletions drivers/net/wireless/iwlegacy/3945-mac.c
Original file line number Diff line number Diff line change
Expand Up @@ -3655,7 +3655,7 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/***********************
* 3. Read REV Register
* ********************/
il->hw_base = pci_iomap(pdev, 0, 0);
il->hw_base = pci_ioremap_bar(pdev, 0);
if (!il->hw_base) {
err = -ENODEV;
goto out_pci_release_regions;
Expand Down Expand Up @@ -3780,7 +3780,7 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
out_eeprom_free:
il_eeprom_free(il);
out_iounmap:
pci_iounmap(pdev, il->hw_base);
iounmap(il->hw_base);
out_pci_release_regions:
pci_release_regions(pdev);
out_pci_disable_device:
Expand Down Expand Up @@ -3860,7 +3860,7 @@ il3945_pci_remove(struct pci_dev *pdev)
free_irq(pdev->irq, il);
pci_disable_msi(pdev);

pci_iounmap(pdev, il->hw_base);
iounmap(il->hw_base);
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
Expand Down
6 changes: 3 additions & 3 deletions drivers/net/wireless/iwlegacy/4965-mac.c
Original file line number Diff line number Diff line change
Expand Up @@ -6224,7 +6224,7 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/***********************
* 3. Read REV register
***********************/
il->hw_base = pci_iomap(pdev, 0, 0);
il->hw_base = pci_ioremap_bar(pdev, 0);
if (!il->hw_base) {
err = -ENODEV;
goto out_pci_release_regions;
Expand Down Expand Up @@ -6356,7 +6356,7 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
out_free_eeprom:
il_eeprom_free(il);
out_iounmap:
pci_iounmap(pdev, il->hw_base);
iounmap(il->hw_base);
out_pci_release_regions:
pci_set_drvdata(pdev, NULL);
pci_release_regions(pdev);
Expand Down Expand Up @@ -6438,7 +6438,7 @@ il4965_pci_remove(struct pci_dev *pdev)

free_irq(il->pci_dev->irq, il);
pci_disable_msi(il->pci_dev);
pci_iounmap(pdev, il->hw_base);
iounmap(il->hw_base);
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
Expand Down
6 changes: 3 additions & 3 deletions drivers/net/wireless/iwlegacy/common.h
Original file line number Diff line number Diff line change
Expand Up @@ -2114,20 +2114,20 @@ extern void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val);
static inline void
_il_write8(struct il_priv *il, u32 ofs, u8 val)
{
iowrite8(val, il->hw_base + ofs);
writeb(val, il->hw_base + ofs);
}
#define il_write8(il, ofs, val) _il_write8(il, ofs, val)

static inline void
_il_wr(struct il_priv *il, u32 ofs, u32 val)
{
iowrite32(val, il->hw_base + ofs);
writel(val, il->hw_base + ofs);
}

static inline u32
_il_rd(struct il_priv *il, u32 ofs)
{
return ioread32(il->hw_base + ofs);
return readl(il->hw_base + ofs);
}

static inline void
Expand Down

0 comments on commit a5f1613

Please sign in to comment.