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 816433446B0 for ; Sat, 28 Feb 2026 18:07:24 +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=1772302044; cv=none; b=X9oCBJWItiu2o8F2k1hZXScTwseTM6Mjw2D+fPEirhNulfoSAIE62NHBx6Haf0EpKyzadLr2yEv3r9rs11Q+HWL/DImYisDw+Be13b2MFJkmKOTNBskbwoa52TrXM+YeIQ54W809rUj1LYw+edqB4WHoo6RBWLyY9NL0g1+KL6c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302044; c=relaxed/simple; bh=F/zY5Q6IkuiNlN3zIeKnQBAq3iR2FM4a3Gz8ow/6szc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QLCO1XyrY3QBxpev5APl8F0JwX2SluQpGObzPppSRS5PPmyIR4iVPkUwAEBvBDR1BXJ9AV0KfLoEuuJ9B1ShqKfHei318jVkPYBZUJ8G+twOz/KuvsyHAHHVwsBJKuYJJwl8oCtaIoPvEUAP1lGJxNToAXhq9gz3y2ll3Ddx0XI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Cmrm73Ur; 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="Cmrm73Ur" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B8DEAC19424; Sat, 28 Feb 2026 18:07:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302044; bh=F/zY5Q6IkuiNlN3zIeKnQBAq3iR2FM4a3Gz8ow/6szc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cmrm73UrefIxXi4govv+E9WuOpgtrZlDw7pjnR/eIELFec2k55b5hQzT5qQiL1mdg ZJTrLsSzOjcs6SJL8AOaLO0e8tcCEkgJDRo4avv/mMhrwPf86Fyzfx7XnFttsyp2c9 poRvMIXeBj+bXVOgOxDSj2gL3V496PhSFurb0X1xz0iWRh0iI6hXFFkj0YjMv04/J9 rM3dtYDrHdEjVvGr1xGSRJgabQEZHIKGus3JsPNnZ8owq40D4HUUh8+ZC5zbMBxpLi yy1kWKZ6pkL6N1ZTabd+/1uJYMd87KfAa6f97NlF37EufYLRqUb1hTE5fMpx62W8BO 8aNZKSn8mBdRA== From: Sasha Levin To: patches@lists.linux.dev Cc: Fredrik Markstrom , Jani Nurminen , Ivar Holmqvist , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.6 017/283] i3c: dw: Initialize spinlock to avoid upsetting lockdep Date: Sat, 28 Feb 2026 13:02:39 -0500 Message-ID: <20260228180709.1583486-17-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: Fredrik Markstrom [ Upstream commit b58eaa4761ab02fc38c39d674a6bcdd55e00f388 ] The devs_lock spinlock introduced when adding support for ibi:s was never initialized. Fixes: e389b1d72a624 ("i3c: dw: Add support for in-band interrupts") Suggested-by: Jani Nurminen Signed-off-by: Fredrik Markstrom Reviewed-by: Ivar Holmqvist Link: https://patch.msgid.link/20260116-i3c_dw_initialize_spinlock-v3-1-cf707b6ed75f@est.tech Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/i3c/master/dw-i3c-master.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index 030127525672e..cee2805fccd0f 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -1483,6 +1483,8 @@ int dw_i3c_common_probe(struct dw_i3c_master *master, spin_lock_init(&master->xferqueue.lock); INIT_LIST_HEAD(&master->xferqueue.list); + spin_lock_init(&master->devs_lock); + writel(INTR_ALL, master->regs + INTR_STATUS); irq = platform_get_irq(pdev, 0); ret = devm_request_irq(&pdev->dev, irq, -- 2.51.0