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authorGertjan van Wingerde <gwingerde@gmail.com>2011-04-30 17:15:37 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-05-02 14:49:18 -0400
commitfdbc7b0a262e24a3ee00f1f9acb5a97309a173d5 (patch)
treeac39d2ae6aa424739165122fcea64ee9f213d100 /drivers/net/wireless/rt2x00/rt2800lib.c
parent9328fdac499b969ec57a195845f168e7c5168ccd (diff)
downloadblackbird-op-linux-fdbc7b0a262e24a3ee00f1f9acb5a97309a173d5.tar.gz
blackbird-op-linux-fdbc7b0a262e24a3ee00f1f9acb5a97309a173d5.zip
rt2x00: Introduce capability flag for Bluetooth co-existence.
Use flag instead of re-reading the eeprom every time. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800lib.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 71c16c618c4d..6ed646a02d49 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1640,7 +1640,6 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
struct channel_info *info)
{
u8 rfcsr;
- u16 eeprom;
rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
@@ -1670,11 +1669,10 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset);
rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
if (rf->channel <= 14) {
int idx = rf->channel-1;
- if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST)) {
+ if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
/* r55/r59 value array of channel 1~14 */
static const char r55_bt_rev[] = {0x83, 0x83,
@@ -2917,8 +2915,7 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
ant = (div_mode == 3) ? 1 : 0;
/* check if this is a Bluetooth combo card */
- rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
- if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST)) {
+ if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
u32 reg;
rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
@@ -3741,6 +3738,12 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
__set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
/*
+ * Detect if this device has Bluetooth co-existence.
+ */
+ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
+ __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
+
+ /*
* Read frequency offset and RF programming sequence.
*/
rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
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