From nobody Mon Feb 9 06:28:24 2026 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 9545121854C; Sun, 24 Mar 2024 23:09:55 +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=1711321795; cv=none; b=AvdyeCLfxjt7SJAkYeVktjkC7jPfe3zNlnO+TRDsI2tbQkLnPY4CEtW1isbViKp5ZRtOp/KxdjrKsycpKHeMob4DCrmeKYjPRYjdoU1uL87cLHi9WpuL9nRzNTuNvwYJ0W6mhsZCli9bcLG8ocTzHSy72e/8xgVKFtoaTIv67uk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711321795; c=relaxed/simple; bh=61ig6KY+3rHTaiDAJSpLkvKKNyy/0dKRoB4HO5zjqVo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tDR9zPoKL5wdmZFwU+Ehj3AcsxM0coVN1stvLKAknoPIDgM97ZfzKAexaG8AO3qPmkD6vKHFTRkWSZx+U778rWsdA0bP2hYt6V1j6BxVbrA6jWInFfi/8/W5Z+nTTdgSfuSVL2GeAtCLy5njDAmrG4ai5FDe6lWt2V29xvVjdFo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sLuGYgPN; 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="sLuGYgPN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5E52C433F1; Sun, 24 Mar 2024 23:09:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711321795; bh=61ig6KY+3rHTaiDAJSpLkvKKNyy/0dKRoB4HO5zjqVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sLuGYgPN2QrPtPoq8NzgvhLq8n+BX7Mtzq6HNL1dH3RlbkuFgf9Z81vq6uZOWvOHl IYo0smqp6rWwzlj/twCWfW1QGa/GZSjx/2xjrVCDaUZ7Ok1CL40jPj/yVmHjueU53Z +KI8AHlKya0RmOwhlMLr4kX+G+eMCZ+B9ia4NwFVq150AmaFRs4cRpescGCfXILmvG 1ZLNwxj4GO9yo9u/R1xzoXzGsD1gBHZZwFSkAFT9fMtejtPJNDkSFSB+QN3RUs0OWN qKHeHKCA0PQR0sacMaoeEqZtYajEIN5/+AuuH2+uAQmf4vwGS+GypTmDFAP5FEZ9cE XLgUnzrTarPNQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dylan Hung , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.6 523/638] i3c: dw: Disable IBI IRQ depends on hot-join and SIR enabling Date: Sun, 24 Mar 2024 18:59:20 -0400 Message-ID: <20240324230116.1348576-524-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324230116.1348576-1-sashal@kernel.org> References: <20240324230116.1348576-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Dylan Hung [ Upstream commit 10201396ef6455a68ac671fa0163205d327ebb70 ] Disable IBI IRQ signal and status only when hot-join and SIR enabling of all target devices attached to the bus are disabled. Fixes: e389b1d72a62 ("i3c: dw: Add support for in-band interrupts") Signed-off-by: Dylan Hung Link: https://lore.kernel.org/r/20240119054547.983693-1-dylan_hung@aspeedte= ch.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/i3c/master/dw-i3c-master.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c= -master.c index 9332ae5f64190..235235613c1b9 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -1163,8 +1163,10 @@ static void dw_i3c_master_set_sir_enabled(struct dw_= i3c_master *master, global =3D reg =3D=3D 0xffffffff; reg &=3D ~BIT(idx); } else { - global =3D reg =3D=3D 0; + bool hj_rejected =3D !!(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_HOT= _JOIN_NACK); + reg |=3D BIT(idx); + global =3D (reg =3D=3D 0xffffffff) && hj_rejected; } writel(reg, master->regs + IBI_SIR_REQ_REJECT); =20 --=20 2.43.0