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-rw-r--r--drivers/net/wireless/rtl818x/rtl8180/dev.c24
-rw-r--r--drivers/net/wireless/rtl818x/rtl8180/rtl8180.h1
2 files changed, 21 insertions, 4 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index 5303b8f1d928..68304a9297fd 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -878,7 +878,15 @@ static int rtl8180_init_hw(struct ieee80211_hw *dev)
rtl818x_iowrite8(priv, &priv->map->CONFIG3, reg | (1 << 2));
rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
/* fix eccessive IFS after CTS-to-self */
- rtl818x_iowrite8(priv, REG_ADDR1(0x1ff), 0x35);
+ if (priv->map_pio) {
+ u8 reg;
+
+ reg = rtl818x_ioread8(priv, &priv->map->PGSELECT);
+ rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg | 1);
+ rtl818x_iowrite8(priv, REG_ADDR1(0xff), 0x35);
+ rtl818x_iowrite8(priv, &priv->map->PGSELECT, reg);
+ } else
+ rtl818x_iowrite8(priv, REG_ADDR1(0x1ff), 0x35);
}
if (priv->chip_family == RTL818X_CHIP_FAMILY_RTL8187SE) {
@@ -1739,13 +1747,15 @@ static int rtl8180_probe(struct pci_dev *pdev,
SET_IEEE80211_DEV(dev, &pdev->dev);
pci_set_drvdata(pdev, dev);
+ priv->map_pio = false;
priv->map = pci_iomap(pdev, 1, mem_len);
- if (!priv->map)
+ if (!priv->map) {
priv->map = pci_iomap(pdev, 0, io_len);
+ priv->map_pio = true;
+ }
if (!priv->map) {
- printk(KERN_ERR "%s (rtl8180): Cannot map device memory\n",
- pci_name(pdev));
+ dev_err(&pdev->dev, "Cannot map device memory/PIO\n");
goto err_free_dev;
}
@@ -1794,6 +1804,12 @@ static int rtl8180_probe(struct pci_dev *pdev,
case RTL818X_TX_CONF_RTL8187SE:
chip_name = "RTL8187SE";
+ if (priv->map_pio) {
+ dev_err(&pdev->dev,
+ "MMIO failed. PIO not supported on RTL8187SE\n");
+ err = -ENOMEM;
+ goto err_iounmap;
+ }
priv->chip_family = RTL818X_CHIP_FAMILY_RTL8187SE;
break;
diff --git a/drivers/net/wireless/rtl818x/rtl8180/rtl8180.h b/drivers/net/wireless/rtl818x/rtl8180/rtl8180.h
index 291a55970d1a..e8243a44d6b6 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/rtl8180.h
+++ b/drivers/net/wireless/rtl818x/rtl8180/rtl8180.h
@@ -107,6 +107,7 @@ struct rtl8180_priv {
struct ieee80211_vif *vif;
/* rtl8180 driver specific */
+ bool map_pio;
spinlock_t lock;
void *rx_ring;
u8 rx_ring_sz;