From 000e63e67a78456bed43a8d681ff83e8f36ad1af Mon Sep 17 00:00:00 2001 From: Chen Jung Ku Date: Sun, 14 Jun 2026 01:04:34 +0800 Subject: [PATCH] wifi: rtw88: 8822c: replace msleep() with fsleep() for DPK delays Replace msleep() with fsleep(), because msleep() may oversleep to as much as 20 ms when used for a 10 ms delay. According to the kernel documentation, fsleep() is more suitable and aligns better with modern kernel style. Signed-off-by: Chen Jung Ku Acked-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20260613170434.23645-1-ku.loong@gapp.nthu.edu.tw --- drivers/net/wireless/realtek/rtw88/rtw8822c.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index 80c9f0c11e5c..c3220c98f08a 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -3405,7 +3405,7 @@ static u8 rtw8822c_dpk_one_shot(struct rtw_dev *rtwdev, u8 path, u8 action) rtw_write32_mask(rtwdev, REG_DPD_CTL0, BIT(12), 0x1); rtw_write32_mask(rtwdev, REG_DPD_CTL0, BIT(12), 0x0); rtw_write32_mask(rtwdev, REG_RXSRAM_CTL, BIT_RPT_SEL, 0x0); - msleep(10); + fsleep(10000); if (!check_hw_ready(rtwdev, REG_STAT_RPT, BIT(31), 0x1)) { result = 1; rtw_dbg(rtwdev, RTW_DBG_RFK, "[DPK] one-shot over 20ms\n"); @@ -3418,7 +3418,7 @@ static u8 rtw8822c_dpk_one_shot(struct rtw_dev *rtwdev, u8 path, u8 action) dpk_cmd = rtw8822c_dpk_get_cmd(rtwdev, action, path); rtw_write32(rtwdev, REG_NCTL0, dpk_cmd); rtw_write32(rtwdev, REG_NCTL0, dpk_cmd + 1); - msleep(10); + fsleep(10000); if (!check_hw_ready(rtwdev, 0x2d9c, 0xff, 0x55)) { result = 1; rtw_dbg(rtwdev, RTW_DBG_RFK, "[DPK] one-shot over 20ms\n");