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 0F8EB36C9C4 for ; Sat, 28 Feb 2026 18:10:33 +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=1772302233; cv=none; b=DrD6DdDKbmj0eZww66D1vn/sHe8fhvclxMoz91665AnaPcWSgl50jJhR92YLTtEacZEMRjEYIIrVWWb09I6tFMDRN1wkuuShUW5FweyBtakIlWkMAk5YZJSVjI72tqVBb9rkM976HgipqTShjTTDH98pjq66+RWLs4n9lGYBY7o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302233; c=relaxed/simple; bh=4AwoelBZJMd0R7cRlpxDNuMNhGVSFnCshXZ0wn10ivo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IWkhPtPkSmfH4Z+r0zUSmEtmSrVQclCkjZUfAsGddrnas0pqCeyZVxYJT2BUgGR8Gn69UVj5QfPvc/wGoVGLj+5XM933Jn28DkfexOKUPwY08+ZRKVQpm4r7lSk2BIDopLiWdNTiI4otmiVIebPq3g1mwqtDtVT1vaAXnefJhC8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=erNIFuyX; 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="erNIFuyX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C002C116D0; Sat, 28 Feb 2026 18:10:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302232; bh=4AwoelBZJMd0R7cRlpxDNuMNhGVSFnCshXZ0wn10ivo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=erNIFuyXpjBD75Bw4l9n41Czfy3W86L2PJ6zFvc28FCpNdRTELs9K1TlNTs61YMhN gkweUaxm1gaQkpRc8fYWllmauBrgiQN+kpSgKOlzX4aNbmNFEIaPtCjlwLoKvq1uWl dJAAYLb53ISznR8mNQoFcFh/Tvwo0SBe/38xO84MNCrXFwT3/1zKwfJLuIoIQ6U5BW UMNmRuXRLTvv/PdHq7/nC4WiQO4hLC9ya2uITZ3fdmPUkn4mF5MCs9xCT5d6Oo9t2/ CSQcDl03reMA2eneAWGHUg+wGzI2i9nNcUkdm2iXbfb2b4VgG5hBC5AmekJ3uesZJW qOxLoq7EWQFBA== From: Sasha Levin To: patches@lists.linux.dev Cc: Justin Chen , Florian Fainelli , Greg Kroah-Hartman , Sasha Levin Subject: [PATCH 6.6 243/283] usb: bdc: fix sleep during atomic Date: Sat, 28 Feb 2026 13:06:25 -0500 Message-ID: <20260228180709.1583486-243-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228180709.1583486-1-sashal@kernel.org> References: <20260228180709.1583486-1-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 35a652807fca8..c2e3fa997842a 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