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path: root/drivers/net/wireless/rt2x00/rt2x00pci.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00pci.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 0feb4d0e4668..047123b766fc 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -41,6 +41,9 @@ int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
{
unsigned int i;
+ if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+ return 0;
+
for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
rt2x00pci_register_read(rt2x00dev, offset, reg);
if (!rt2x00_get_field32(*reg, field))
@@ -269,7 +272,6 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
struct ieee80211_hw *hw;
struct rt2x00_dev *rt2x00dev;
int retval;
- u16 chip;
retval = pci_request_regions(pci_dev, pci_name(pci_dev));
if (retval) {
@@ -312,12 +314,6 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
- /*
- * Determine RT chipset by reading PCI header.
- */
- pci_read_config_word(pci_dev, PCI_DEVICE_ID, &chip);
- rt2x00_set_chip_rt(rt2x00dev, chip);
-
retval = rt2x00pci_alloc_reg(rt2x00dev);
if (retval)
goto exit_free_device;