From nobody Thu Oct 2 22:53:07 2025 Received: from vps.xff.cz (vps.xff.cz [195.181.215.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 99E0A1C68F; Tue, 9 Sep 2025 21:20:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.181.215.36 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757452841; cv=none; b=NkCaVSbRsqBeSJ6ebdPTOpbIQkaQmbKvYM+PHvkGxKFuBKzoL/aPAGH+7vfJoW6SKMXK6M1N5sZeED4PtXBA4AHIrIdij+nSLbviaTee1oduuSQRrVkhvk1sGLXsemOkUdxksdLjuwrVjuA3mufEHuc0YaiE6+9fz5jaoN+q4pQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757452841; c=relaxed/simple; bh=9pkNsjM+7U141mU4y8J+TOh3saFNJU2p+mbbgMx1efc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=u2tmDPWxINm1pTkTYMHde7TRsFUFdsTn8YL914lf6yDk6Btqd/6lf7npLIf9wBz1SLqRkeTjRdDzkmXgbXUwJEdJVOwxV+TDMua2xjT9mssO/T7P48lZQ1oApokLCEqWqoyo5gDnfUKuwdQBBQ61CErXW9ymekkK5HdpJhFU634= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=xff.cz; spf=pass smtp.mailfrom=xff.cz; dkim=pass (1024-bit key) header.d=xff.cz header.i=@xff.cz header.b=N4vrECvh; arc=none smtp.client-ip=195.181.215.36 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=xff.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=xff.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=xff.cz header.i=@xff.cz header.b="N4vrECvh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xff.cz; s=mail; t=1757452389; bh=9pkNsjM+7U141mU4y8J+TOh3saFNJU2p+mbbgMx1efc=; h=From:To:Cc:Subject:Date:From; b=N4vrECvhOOordgqYN3J47ijQR+8LEqkAadjSB22Q2aQ4RMjPFRXppoJE56K11B8k2 FCBm8gJKyZ7MQgPlcMOhspOjdV6i92zyjsbCAr9R09yl5xlnTqdbKpWiyWZHjm8xjC w+IyqJ3czc6g1KP0jPk3mNsqstIKqIL7dmCCGWTk= From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= To: linux-kernel@vger.kernel.org Cc: Ondrej Jirman , Ping-Ke Shih , linux-wireless@vger.kernel.org (open list:REALTEK WIRELESS DRIVER (rtw89)) Subject: [PATCH] net: wireless: rtw89: Sleep while waiting for firmware init Date: Tue, 9 Sep 2025 23:12:51 +0200 Message-ID: <20250909211255.1486851-1-megi@xff.cz> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Ondrej Jirman This avoids RCU stalls caused by waiting up to 400ms for firmware init. Signed-off-by: Ondrej Jirman --- drivers/net/wireless/realtek/rtw89/fw.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless= /realtek/rtw89/fw.c index 16e59a4a486e..2c034b764a0a 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -109,9 +109,9 @@ int rtw89_fw_check_rdy(struct rtw89_dev *rtwdev, enum r= tw89_fwdl_check_type type u8 val; int ret; =20 - ret =3D read_poll_timeout_atomic(mac->fwdl_get_status, val, - val =3D=3D RTW89_FWDL_WCPU_FW_INIT_RDY, - 1, FWDL_WAIT_CNT, false, rtwdev, type); + ret =3D read_poll_timeout(mac->fwdl_get_status, val, + val =3D=3D RTW89_FWDL_WCPU_FW_INIT_RDY, + 1, FWDL_WAIT_CNT, false, rtwdev, type); if (ret) { switch (val) { case RTW89_FWDL_CHECKSUM_FAIL: --=20 2.51.0