aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/b43legacy/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/b43legacy/main.c')
-rw-r--r--drivers/net/wireless/b43legacy/main.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 3e935d0d4b80..a793f183a2c0 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -2007,6 +2007,21 @@ static void b43legacy_mgmtframe_txantenna(struct b43legacy_wldev *dev,
2007 B43legacy_SHM_SH_PRPHYCTL, tmp); 2007 B43legacy_SHM_SH_PRPHYCTL, tmp);
2008} 2008}
2009 2009
2010/* Returns TRUE, if the radio is enabled in hardware. */
2011static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
2012{
2013 if (dev->phy.rev >= 3) {
2014 if (!(b43legacy_read32(dev, B43legacy_MMIO_RADIO_HWENABLED_HI)
2015 & B43legacy_MMIO_RADIO_HWENABLED_HI_MASK))
2016 return 1;
2017 } else {
2018 if (b43legacy_read16(dev, B43legacy_MMIO_RADIO_HWENABLED_LO)
2019 & B43legacy_MMIO_RADIO_HWENABLED_LO_MASK)
2020 return 1;
2021 }
2022 return 0;
2023}
2024
2010/* This is the opposite of b43legacy_chip_init() */ 2025/* This is the opposite of b43legacy_chip_init() */
2011static void b43legacy_chip_exit(struct b43legacy_wldev *dev) 2026static void b43legacy_chip_exit(struct b43legacy_wldev *dev)
2012{ 2027{
@@ -2046,9 +2061,6 @@ static int b43legacy_chip_init(struct b43legacy_wldev *dev)
2046 if (err) 2061 if (err)
2047 goto err_gpio_cleanup; 2062 goto err_gpio_cleanup;
2048 b43legacy_radio_turn_on(dev); 2063 b43legacy_radio_turn_on(dev);
2049 dev->radio_hw_enable = b43legacy_is_hw_radio_enabled(dev);
2050 b43legacyinfo(dev->wl, "Radio %s by hardware\n",
2051 (dev->radio_hw_enable == 0) ? "disabled" : "enabled");
2052 2064
2053 b43legacy_write16(dev, 0x03E6, 0x0000); 2065 b43legacy_write16(dev, 0x03E6, 0x0000);
2054 err = b43legacy_phy_init(dev); 2066 err = b43legacy_phy_init(dev);
@@ -2170,14 +2182,14 @@ static void b43legacy_periodic_every15sec(struct b43legacy_wldev *dev)
2170 2182
2171static void b43legacy_periodic_every1sec(struct b43legacy_wldev *dev) 2183static void b43legacy_periodic_every1sec(struct b43legacy_wldev *dev)
2172{ 2184{
2173 int radio_hw_enable; 2185 bool radio_hw_enable;
2174 2186
2175 /* check if radio hardware enabled status changed */ 2187 /* check if radio hardware enabled status changed */
2176 radio_hw_enable = b43legacy_is_hw_radio_enabled(dev); 2188 radio_hw_enable = b43legacy_is_hw_radio_enabled(dev);
2177 if (unlikely(dev->radio_hw_enable != radio_hw_enable)) { 2189 if (unlikely(dev->radio_hw_enable != radio_hw_enable)) {
2178 dev->radio_hw_enable = radio_hw_enable; 2190 dev->radio_hw_enable = radio_hw_enable;
2179 b43legacyinfo(dev->wl, "Radio hardware status changed to %s\n", 2191 b43legacyinfo(dev->wl, "Radio hardware status changed to %s\n",
2180 (radio_hw_enable == 0) ? "disabled" : "enabled"); 2192 (radio_hw_enable) ? "enabled" : "disabled");
2181 b43legacy_leds_update(dev, 0); 2193 b43legacy_leds_update(dev, 0);
2182 } 2194 }
2183} 2195}
@@ -2933,6 +2945,9 @@ static void setup_struct_phy_for_init(struct b43legacy_wldev *dev,
2933 2945
2934 /* Flags */ 2946 /* Flags */
2935 phy->locked = 0; 2947 phy->locked = 0;
2948 /* Assume the radio is enabled. If it's not enabled, the state will
2949 * immediately get fixed on the first periodic work run. */
2950 dev->radio_hw_enable = 1;
2936 2951
2937 phy->savedpctlreg = 0xFFFF; 2952 phy->savedpctlreg = 0xFFFF;
2938 phy->aci_enable = 0; 2953 phy->aci_enable = 0;