From: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/Kconfig | 2 +-
drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 13 ++++++-------
2 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index ae08498..5afd06e 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -1,6 +1,6 @@
config IWLWIFI
tristate "Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi) "
- depends on PCI && MAC80211
+ depends on PCI && MAC80211 && HAS_IOMEM
select FW_LOADER
select NEW_LEDS
select LEDS_CLASS
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index 2a781b5..ef7418d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1609,18 +1609,17 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid,
static void iwl_trans_pcie_write8(struct iwl_trans *trans, u32 ofs, u8 val)
{
- iowrite8(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
+ writeb(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
}
static void iwl_trans_pcie_write32(struct iwl_trans *trans, u32 ofs, u32 val)
{
- iowrite32(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
+ writel(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
}
static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs)
{
- u32 val = ioread32(IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
- return val;
+ return readl(IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
}
static void iwl_trans_pcie_free(struct iwl_trans *trans)
@@ -1638,7 +1637,7 @@ static void iwl_trans_pcie_free(struct iwl_trans *trans)
}
pci_disable_msi(trans_pcie->pci_dev);
- pci_iounmap(trans_pcie->pci_dev, trans_pcie->hw_base);
+ iounmap(trans_pcie->hw_base);
pci_release_regions(trans_pcie->pci_dev);
pci_disable_device(trans_pcie->pci_dev);
@@ -2269,9 +2268,9 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd,
goto out_pci_disable_device;
}
- trans_pcie->hw_base = pci_iomap(pdev, 0, 0);
+ trans_pcie->hw_base = pci_ioremap_bar(pdev, 0);
if (!trans_pcie->hw_base) {
- dev_printk(KERN_ERR, &pdev->dev, "pci_iomap failed");
+ dev_printk(KERN_ERR, &pdev->dev, "pci_ioremap_bar failed");
err = -ENODEV;
goto out_pci_release_regions;
}
--
1.7.0.4
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