From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98111346E5E for ; Sat, 28 Feb 2026 18:17:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302623; cv=none; b=PtZHXKF3fD7PybuDdOYLfF6rkDxwRlNd5JaWf8jIG+j3IZhNDE7Mjw08XWp1XldFpZAj/vwITrIdrx9wUq69Nn2zBoQ5ewVdQmRZaL24hScFs5D9lEz88fAmS/ELx+C5rAyon3BkVC3L3A2b340gFfJpSR0AY905jlsk6eVQypQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302623; c=relaxed/simple; bh=QdGCVtes2RiwIYhghycboJt7Tos68ExvR675zNoTOHw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MWCOboelqSkpU1h5ehMTMkF5FF1g8m5j5qY/Dc5jhuoNARb5TAqGcdYEXpS+6BOZonDCDld54k4vavIf4IoGEztANnKKZBLHMZ3E2xhSio9m03c7rkouog/segcxKW1KvNXP8Npn2V8CiCLrJeWm2u9imkhgFMjcojYomUklCQo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ON6CMACd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ON6CMACd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4022C116D0; Sat, 28 Feb 2026 18:17:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302623; bh=QdGCVtes2RiwIYhghycboJt7Tos68ExvR675zNoTOHw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ON6CMACd14RJNknJ8Q0mty0+fqqMJyI4DbM49RWSGkqBvz8Cag+0wsgmDf3fXfMCG a6Udrl4C2/a+bylh07N4/oXVShv+dBRnpeFFhuVNkrrDAz0UyoVS74gd9swQWau/rw BcVGRyJsF4TxxHnKiPovobskkB1oiDj52iksJ7ki/yagOfFL+PqdthyUh6bx1sKReZ 181wgIK+6o18vw44Snui2wMSO3DaC6GxBU0O1LTe45Z6fbPc13qKBBrjUVN4Iumqu7 X7F5YSKNYdqc53RTEVQ4+8OXHG2riZSFCHHwoYlRgOz5E5PsyKjkuCpMyiH4gnlKcP UZZ/5esY0wB3g== From: Sasha Levin To: patches@lists.linux.dev Cc: Justin Chen , Florian Fainelli , Greg Kroah-Hartman , Sasha Levin Subject: [PATCH 5.15 142/164] usb: bdc: fix sleep during atomic Date: Sat, 28 Feb 2026 13:14:41 -0500 Message-ID: <20260228181505.1600663-142-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228181505.1600663-1-sashal@kernel.org> References: <20260228181505.1600663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Justin Chen [ Upstream commit f1195ca3b4bbd001d3f1264dce91f83dec7777f5 ] bdc_run() can be ran during atomic context leading to a sleep during atomic warning. Fix this by replacing read_poll_timeout() with read_poll_timeout_atomic(). Fixes: 75ae051efc9b ("usb: gadget: bdc: use readl_poll_timeout() to simplify code") Signed-off-by: Justin Chen Reviewed-by: Florian Fainelli Link: https://patch.msgid.link/20260120200754.2488765-1-justin.chen@broadcom.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/gadget/udc/bdc/bdc_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c index fa1a3908ec3bb..69d11b703c8d0 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -35,8 +35,8 @@ static int poll_oip(struct bdc *bdc, u32 usec) u32 status; int ret; - ret = readl_poll_timeout(bdc->regs + BDC_BDCSC, status, - (BDC_CSTS(status) != BDC_OIP), 10, usec); + ret = readl_poll_timeout_atomic(bdc->regs + BDC_BDCSC, status, + (BDC_CSTS(status) != BDC_OIP), 10, usec); if (ret) dev_err(bdc->dev, "operation timedout BDCSC: 0x%08x\n", status); else -- 2.51.0