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 F1EB94369A; Wed, 25 Feb 2026 01:28:00 +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=1771982881; cv=none; b=QLNTIkIHW2mVzh9r9TXHI4DJpliH9KqiBpfc1D1fLfYOD997GtSKWpxTwC+c/5tu/d83A7T4tYsL0+UVS6mgfoxkYTJ3Tet/dpagWLauYVR7Mqk1E6A3ed2eLqT2f+i+WYIGVUN0eU8S39T6/fKE9s2FMHMGrtuOZejmMhIe+xA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771982881; c=relaxed/simple; bh=tJrV0byCyfJS/m6rJXv0xQhBbR/hXOIRG9rqD8sHlIo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NdvfC6yleHC+P5+tc6j7KTOf3mm5x8VJ/G2gjM9vo164PLDZn6XVPi7vkX+iHSBLItWB8likD4QXesZ87ut7m9VeqQ6Greqv8eNqgl3WFbL83JQf4xDUozmWO6GTuFbXqLUy5uMkvo4u7hHMjVPl/Qq7LdkU3NN3/QWkLZbPCT8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=dDuriNN1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="dDuriNN1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C0A9C116D0; Wed, 25 Feb 2026 01:28:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1771982880; bh=tJrV0byCyfJS/m6rJXv0xQhBbR/hXOIRG9rqD8sHlIo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dDuriNN1PkQQ7ina4hmQZWwGRnaUGYDhbCe1i2JoavrXrxYdDBPM3LlQD2AtbMVqa P+/6tBhvUe+FLOk5rC+OTjsXOLZTr95pldY6IUwrZAqdJpGwVFHIx8YDzcayNTF95e PE3Uylchy0CmdASKjWzgyL2dnMnYbAkBi840Oapw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jani Nurminen , Fredrik Markstrom , Ivar Holmqvist , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.19 022/781] i3c: dw: Initialize spinlock to avoid upsetting lockdep Date: Tue, 24 Feb 2026 17:12:11 -0800 Message-ID: <20260225012400.246272729@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260225012359.695468795@linuxfoundation.org> References: <20260225012359.695468795@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.19-stable review patch. If anyone has any objections, please let me know. ------------------ 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 889e2ed5bc830..d5b0704040562 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -1570,6 +1570,8 @@ 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