diff options
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2400pci.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500pci.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00link.c | 8 |
3 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index d5f1fabe9faf..25e9dcf65c4e 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -586,9 +586,11 @@ static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev, static inline void rt2400pci_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { - rt2400pci_bbp_write(rt2x00dev, 13, vgc_level); - qual->vgc_level = vgc_level; - qual->vgc_level_reg = vgc_level; + if (qual->vgc_level_reg != vgc_level) { + rt2400pci_bbp_write(rt2x00dev, 13, vgc_level); + qual->vgc_level = vgc_level; + qual->vgc_level_reg = vgc_level; + } } static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev, diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 096d6dbc8305..faa804cf181a 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -626,6 +626,7 @@ static inline void rt2500pci_set_vgc(struct rt2x00_dev *rt2x00dev, { if (qual->vgc_level_reg != vgc_level) { rt2500pci_bbp_write(rt2x00dev, 17, vgc_level); + qual->vgc_level = vgc_level; qual->vgc_level_reg = vgc_level; } } @@ -700,13 +701,10 @@ dynamic_cca_tune: * R17 is inside the dynamic tuning range, * start tuning the link based on the false cca counter. */ - if (qual->false_cca > 512 && qual->vgc_level_reg < 0x40) { + if (qual->false_cca > 512 && qual->vgc_level_reg < 0x40) rt2500pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level_reg); - qual->vgc_level = qual->vgc_level_reg; - } else if (qual->false_cca < 100 && qual->vgc_level_reg > 0x32) { + else if (qual->false_cca < 100 && qual->vgc_level_reg > 0x32) rt2500pci_set_vgc(rt2x00dev, qual, --qual->vgc_level_reg); - qual->vgc_level = qual->vgc_level_reg; - } } /* diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c index 14f1d5126289..9acfc5c70389 100644 --- a/drivers/net/wireless/rt2x00/rt2x00link.c +++ b/drivers/net/wireless/rt2x00/rt2x00link.c @@ -302,6 +302,7 @@ void rt2x00link_stop_tuner(struct rt2x00_dev *rt2x00dev) void rt2x00link_reset_tuner(struct rt2x00_dev *rt2x00dev, bool antenna) { struct link_qual *qual = &rt2x00dev->link.qual; + u8 vgc_level = qual->vgc_level_reg; if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) return; @@ -318,6 +319,13 @@ void rt2x00link_reset_tuner(struct rt2x00_dev *rt2x00dev, bool antenna) memset(qual, 0, sizeof(*qual)); /* + * Restore the VGC level as stored in the registers, + * the driver can use this to determine if the register + * must be updated during reset or not. + */ + qual->vgc_level_reg = vgc_level; + + /* * Reset the link tuner. */ rt2x00dev->ops->lib->reset_tuner(rt2x00dev, qual); |