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wifi: rtw88: do not ignore hardware read error during DPK

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[ Upstream commit 20d3c19bd8f9b498173c198eadf54580c8caa336 ]

In 'rtw8822c_dpk_cal_coef1()', do not ignore error returned
by 'check_hw_ready()' but issue a warning to denote possible
DPK issue. Compile tested only.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 5227c2ee45 ("rtw88: 8822c: add SW DPK support")
Suggested-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250415090720.194048-1-dmantipov@yandex.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dmitry Antipov 2025-04-15 12:07:20 +03:00 • committed by Greg Kroah-Hartman
commit a052c91a7d
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/realtek/rtw88/rtw8822c.c
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@ -2857,7 +2857,8 @@ void rtw8822c_dpk_cal_coef1(struct rtw_dev *rtwdev)
rtw_write32(rtwdev, REG_NCTL0, 0x00001148);
rtw_write32(rtwdev, REG_NCTL0, 0x00001149);
check_hw_ready(rtwdev, 0x2d9c, MASKBYTE0, 0x55);
if (!check_hw_ready(rtwdev, 0x2d9c, MASKBYTE0, 0x55))
rtw_warn(rtwdev, "DPK stuck, performance may be suboptimal");
rtw_write8(rtwdev, 0x1b10, 0x0);
rtw_write32_mask(rtwdev, REG_NCTL0, BIT_SUBPAGE, 0x0000000c);