diff options
| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2013-09-09 12:37:38 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-09-26 15:13:36 -0400 |
| commit | 61edc7fad65c80e9f8ddf522339c1d2d91c6328d (patch) | |
| tree | 2bbd42aab31c883249e65ca11e9fee52954f7676 /drivers/net/wireless/rt2x00/rt2800lib.c | |
| parent | b2a312046b6066cbf3bfb9154c7390eb0154fe03 (diff) | |
rt2800: comment enable radio initialization sequence
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.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.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 88ce656f96c..470a7aa11f1 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -6653,17 +6653,20 @@ int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev) u16 word; /* - * Initialize all registers. + * Initialize MAC registers. */ if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || rt2800_init_registers(rt2x00dev))) return -EIO; + /* + * Wait BBP/RF to wake up. + */ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev))) return -EIO; /* - * Send signal to firmware during boot time. + * Send signal during boot time to initialize firmware. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); @@ -6672,9 +6675,15 @@ int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev) rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); msleep(1); + /* + * Make sure BBP is up and running. + */ if (unlikely(rt2800_wait_bbp_ready(rt2x00dev))) return -EIO; + /* + * Initialize BBP/RF registers. + */ rt2800_init_bbp(rt2x00dev); rt2800_init_rfcsr(rt2x00dev); |