diff options
| author | Brian Norris <briannorris@chromium.org> | 2020-08-21 16:57:33 -0700 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-08-27 13:04:38 +0300 |
| commit | 86fbf26491941352799822c8c324f5c9d8101e62 (patch) | |
| tree | 42a070bbc0f9b7214f64c9d7b03070dfdf5a0234 /drivers/net/wireless | |
| parent | 22b726cbdd09d9891ede8aa122a950d2d0ae5e09 (diff) | |
rtw88: use read_poll_timeout_atomic() for poll loop
This gives the added bonus of not wasting an extra udelay() if we're
timing out -- we double-check the register state one last time before
returning.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200821235733.1785009-1-briannorris@chromium.org
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/mac.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c index 19b9b7ab016b..59028b121b00 100644 --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -114,18 +114,13 @@ static int rtw_mac_pre_system_cfg(struct rtw_dev *rtwdev) static bool do_pwr_poll_cmd(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 target) { - u32 cnt; + u32 val; target &= mask; - for (cnt = 0; cnt < RTW_PWR_POLLING_CNT; cnt++) { - if ((rtw_read8(rtwdev, addr) & mask) == target) - return true; - - udelay(50); - } - - return false; + return read_poll_timeout_atomic(rtw_read8, val, (val & mask) == target, + 50, 50 * RTW_PWR_POLLING_CNT, false, + rtwdev, addr) == 0; } static int rtw_pwr_cmd_polling(struct rtw_dev *rtwdev, |