diff options
| author | Joe Perches <joe@perches.com> | 2020-09-19 09:37:47 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-09-22 10:16:41 +0300 |
| commit | 6c1d61913570d4255548ac598cfbef6f1e3c3eee (patch) | |
| tree | d274e54d1c03bd35dec07c8c4cc276f643e6c69c /drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c | |
| parent | 7f1e215b39cb0aec39a7084b98848585efe7ba5e (diff) | |
| download | linux-6c1d61913570d4255548ac598cfbef6f1e3c3eee.tar.xz | |
rtlwifi: Use ffs in <foo>_phy_calculate_bit_shift
Remove the loop and use the generic ffs instead.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/e2ab424d24b74901bc0c39f0c60f75e871adf2ba.camel@perches.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c index 38669b4d6190..f41a7643b9c4 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c @@ -27,7 +27,12 @@ static u32 _rtl8821ae_phy_rf_serial_read(struct ieee80211_hw *hw, static void _rtl8821ae_phy_rf_serial_write(struct ieee80211_hw *hw, enum radio_path rfpath, u32 offset, u32 data); -static u32 _rtl8821ae_phy_calculate_bit_shift(u32 bitmask); +static u32 _rtl8821ae_phy_calculate_bit_shift(u32 bitmask) +{ + u32 i = ffs(bitmask); + + return i ? i - 1 : 32; +} static bool _rtl8821ae_phy_bb8821a_config_parafile(struct ieee80211_hw *hw); /*static bool _rtl8812ae_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);*/ static bool _rtl8821ae_phy_config_mac_with_headerfile(struct ieee80211_hw *hw); @@ -272,17 +277,6 @@ static void _rtl8821ae_phy_rf_serial_write(struct ieee80211_hw *hw, rfpath, pphyreg->rf3wire_offset, data_and_addr); } -static u32 _rtl8821ae_phy_calculate_bit_shift(u32 bitmask) -{ - u32 i; - - for (i = 0; i <= 31; i++) { - if (((bitmask >> i) & 0x1) == 1) - break; - } - return i; -} - bool rtl8821ae_phy_mac_config(struct ieee80211_hw *hw) { bool rtstatus = 0; |