diff options
author | Brian Norris <briannorris@chromium.org> | 2019-10-11 18:27:20 -0700 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2019-10-14 12:11:33 +0300 |
commit | 4ee2f342669991b733cceec53300407da555924d (patch) | |
tree | 9540132efd42d774d76ce20be1e9e3e9dd662306 /drivers/net/wireless/realtek/rtw88/ps.c | |
parent | 12078aae453556a88fb46777b7cc5fc97f867b7c (diff) |
rtw88: use a for loop in rtw_power_mode_change(), not goto
No change in logic.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/ps.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtw88/ps.c | 61 |
1 files changed, 29 insertions, 32 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/ps.c b/drivers/net/wireless/realtek/rtw88/ps.c index e81de3ddc8c5..820e0a3a141c 100644 --- a/drivers/net/wireless/realtek/rtw88/ps.c +++ b/drivers/net/wireless/realtek/rtw88/ps.c @@ -69,24 +69,26 @@ void rtw_power_mode_change(struct rtw_dev *rtwdev, bool enter) u8 polling_cnt; u8 retry_cnt = 0; -retry: - request = rtw_read8(rtwdev, rtwdev->hci.rpwm_addr); - confirm = rtw_read8(rtwdev, rtwdev->hci.cpwm_addr); - - /* toggle to request power mode, others remain 0 */ - request ^= request | BIT_RPWM_TOGGLE; - if (!enter) { - request |= POWER_MODE_ACK; - } else { - request |= POWER_MODE_LCLK; - if (rtw_fw_lps_deep_mode == LPS_DEEP_MODE_PG) - request |= POWER_MODE_PG; - } + for (retry_cnt = 0; retry_cnt < 3; retry_cnt++) { + request = rtw_read8(rtwdev, rtwdev->hci.rpwm_addr); + confirm = rtw_read8(rtwdev, rtwdev->hci.cpwm_addr); + + /* toggle to request power mode, others remain 0 */ + request ^= request | BIT_RPWM_TOGGLE; + if (!enter) { + request |= POWER_MODE_ACK; + } else { + request |= POWER_MODE_LCLK; + if (rtw_fw_lps_deep_mode == LPS_DEEP_MODE_PG) + request |= POWER_MODE_PG; + } - rtw_write8(rtwdev, rtwdev->hci.rpwm_addr, request); + rtw_write8(rtwdev, rtwdev->hci.rpwm_addr, request); + + if (enter) + return; - /* check confirm power mode has left power save state */ - if (!enter) { + /* check confirm power mode has left power save state */ for (polling_cnt = 0; polling_cnt < 3; polling_cnt++) { polling = rtw_read8(rtwdev, rtwdev->hci.cpwm_addr); if ((polling ^ confirm) & BIT_RPWM_TOGGLE) @@ -94,23 +96,18 @@ retry: mdelay(20); } - /* in case of fw/hw missed the request, retry 3 times */ - if (retry_cnt < 3) { - rtw_warn(rtwdev, "failed to leave deep PS, retry=%d\n", - retry_cnt); - retry_cnt++; - goto retry; - } - - /* Hit here means that driver failed to change hardware - * power mode to active state after retry 3 times. - * If the power state is locked at Deep sleep, most of - * the hardware circuits is not working, even register - * read/write. It should be treated as fatal error and - * requires an entire analysis about the firmware/hardware - */ - WARN(1, "Hardware power state locked\n"); + /* in case of fw/hw missed the request, retry */ + rtw_warn(rtwdev, "failed to leave deep PS, retry=%d\n", + retry_cnt); } + + /* Hit here means that driver failed to change hardware power mode to + * active state after retry 3 times. If the power state is locked at + * Deep sleep, most of the hardware circuits is not working, even + * register read/write. It should be treated as fatal error and + * requires an entire analysis about the firmware/hardware + */ + WARN(1, "Hardware power state locked\n"); } EXPORT_SYMBOL(rtw_power_mode_change); |