From: Ching-Te Ku <ku920601@xxxxxxxxxxx> [ Upstream commit 362c4a5cc886e9c369bf2106ab648c2ad076abb6 ] Fix sometimes FW information will be parsed as wrong value, do a correction of sign bit to show the correct information. (Ex, Value should be 20, but it shows 236.) Signed-off-by: Ching-Te Ku <ku920601@xxxxxxxxxxx> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20201112031430.4846-12-pkshih@xxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/net/wireless/realtek/rtw88/coex.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c index 853ac1c2ed73c..634044a14bb78 100644 --- a/drivers/net/wireless/realtek/rtw88/coex.c +++ b/drivers/net/wireless/realtek/rtw88/coex.c @@ -2451,7 +2451,7 @@ void rtw_coex_wl_fwdbginfo_notify(struct rtw_dev *rtwdev, u8 *buf, u8 length) if (buf[i] >= val) coex_stat->wl_fw_dbg_info[i] = buf[i] - val; else - coex_stat->wl_fw_dbg_info[i] = val - buf[i]; + coex_stat->wl_fw_dbg_info[i] = 255 - val + buf[i]; coex_stat->wl_fw_dbg_info_pre[i] = buf[i]; } -- 2.27.0
