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rt2x00: rt2800 - Make probe_hw function common between PCI and USB.

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Refactor the probe_hw code so that more code can be shared between
rt2800pci and rt2800usb.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gertjan van Wingerde 2012-09-03 03:25:51 +02:00 • committed by John W. Linville
parent 99bdf51a68
commit ad417a533a
4 changed files with 113 additions and 132 deletions
Download patch file Download diff file Expand all files Collapse all files

82
drivers/net/wireless/rt2x00/rt2800pci.c
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@ -54,6 +54,11 @@ static bool modparam_nohwcrypt = false;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
static bool rt2800pci_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
{
return modparam_nohwcrypt;
}
static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
{
unsigned int i;
@ -965,85 +970,14 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
/*
* Device probe functions.
*/
static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
static void rt2800pci_read_eeprom(struct rt2x00_dev *rt2x00dev)
{
/*
* Read EEPROM into buffer
*/
if (rt2x00_is_soc(rt2x00dev))
rt2800pci_read_eeprom_soc(rt2x00dev);
else if (rt2800pci_efuse_detect(rt2x00dev))
rt2800pci_read_eeprom_efuse(rt2x00dev);
else
rt2800pci_read_eeprom_pci(rt2x00dev);
return rt2800_validate_eeprom(rt2x00dev);
}
static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
{
int retval;
u32 reg;
/*
* Allocate eeprom data.
*/
retval = rt2800pci_validate_eeprom(rt2x00dev);
if (retval)
return retval;
retval = rt2800_init_eeprom(rt2x00dev);
if (retval)
return retval;
/*
* Enable rfkill polling by setting GPIO direction of the
* rfkill switch GPIO pin correctly.
*/
rt2x00pci_register_read(rt2x00dev, GPIO_CTRL, &reg);
rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
rt2x00pci_register_write(rt2x00dev, GPIO_CTRL, reg);
/*
* Initialize hw specifications.
*/
retval = rt2800_probe_hw_mode(rt2x00dev);
if (retval)
return retval;
/*
* This device has multiple filters for control frames
* and has a separate filter for PS Poll frames.
*/
__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
/*
* This device has a pre tbtt interrupt and thus fetches
* a new beacon directly prior to transmission.
*/
__set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
/*
* This device requires firmware.
*/
if (!rt2x00_is_soc(rt2x00dev))
__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
if (!modparam_nohwcrypt)
__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
/*
* Set the rssi offset.
*/
rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
return 0;
}
static const struct ieee80211_ops rt2800pci_mac80211_ops = {
@ -1081,6 +1015,8 @@ static const struct rt2800_ops rt2800pci_rt2800_ops = {
.register_multiread = rt2x00pci_register_multiread,
.register_multiwrite = rt2x00pci_register_multiwrite,
.regbusy_read = rt2x00pci_regbusy_read,
.read_eeprom = rt2800pci_read_eeprom,
.hwcrypt_disabled = rt2800pci_hwcrypt_disabled,
.drv_write_firmware = rt2800pci_write_firmware,
.drv_init_registers = rt2800pci_init_registers,
.drv_get_txwi = rt2800pci_get_txwi,
@ -1093,7 +1029,7 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
.tbtt_tasklet = rt2800pci_tbtt_tasklet,
.rxdone_tasklet = rt2800pci_rxdone_tasklet,
.autowake_tasklet = rt2800pci_autowake_tasklet,
.probe_hw = rt2800pci_probe_hw,
.probe_hw = rt2800_probe_hw,
.get_firmware_name = rt2800pci_get_firmware_name,
.check_firmware = rt2800_check_firmware,
.load_firmware = rt2800_load_firmware,