diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2019-11-18 06:14:55 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2019-11-20 10:41:30 +0300 |
| commit | 4c8c0d8f709d16f418a5d1962b4eda86ff570151 (patch) | |
| tree | 538e6e6d69beb53aa467b82c532bfcc6063d1613 /drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c | |
| parent | 92541dd9dda5ab474751e24cdb4253eb290b8b33 (diff) | |
| download | linux-4c8c0d8f709d16f418a5d1962b4eda86ff570151.tar.xz | |
rtlwifi: set proper udelay within rf_serial_read
Since read RF register is an indirect access that hardware needs time to
accomplish read action, but there's no ready bit, so delay is required to
guarantee the read value is correct. After investigating internal documents,
these delays are reduced as proper values.
Reported-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c index 01206651c7df..5ca900f97d66 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c @@ -164,9 +164,9 @@ static u32 _rtl88e_phy_rf_serial_read(struct ieee80211_hw *hw, (newoffset << 23) | BLSSIREADEDGE; rtl_set_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, MASKDWORD, tmplong & (~BLSSIREADEDGE)); - mdelay(1); + udelay(10); rtl_set_bbreg(hw, pphyreg->rfhssi_para2, MASKDWORD, tmplong2); - mdelay(2); + udelay(120); if (rfpath == RF90_PATH_A) rfpi_enable = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER1, BIT(8)); |