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 972511B0DFF; Sun, 24 Mar 2024 22:44:21 +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=1711320261; cv=none; b=AxNKhB/p7bBPgtp6SfIb7PlYJ1sXxQVTO2mIwvUqQyZGtWWf+NFbNopI6TzKfZxnfCcNEOpXXB7D2qAH+Murhf5zdKEmkNTYeje7zVNqULmiF4UpDbErA8dIMOlOm4pL7tbaRLNr+N9djL33fdnKUjva3nwnIbmVF7JW6h4DKIs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711320261; c=relaxed/simple; bh=4C25oCwPgly30uqHrAYSqQTvBxyzpXbGxKpIMOxu0jU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hYF9SSi3ZQ4W2jArmh3MtstToRKWFz610EoBvlbMbBNsMa5uztvA08OkxjPPP4p/vSbdhXzWCaZ33lAPMQQeHZrCPmWULcbS0Phv7qMseZMnh5dBpTcz2hxKYycgf5Fq3niO6+Zw0SIOd5dw6bOcUO+L0567zehaI0Pls9qIge4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uBpo3bxQ; 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="uBpo3bxQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB16FC433C7; Sun, 24 Mar 2024 22:44:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711320261; bh=4C25oCwPgly30uqHrAYSqQTvBxyzpXbGxKpIMOxu0jU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uBpo3bxQ/7P0omDL7tjRyt39uv4DiNk2LH91j9AqHzBAbBSIqV6nYNRuu1q7bVOEd hJZY5x5Ay302uUKMstW/IL9Iqk8OAkI4+ILwAEzZ95LxaNfiEszWnY6wWMMF9tUIO4 JQ6VZK1HwbjBsRLFznKZM5ASp1xdpiIEHc16VHlp5DuEaK8ksvW63UI73PQv6upmK5 C9nBJGibzUejIGT3avmrGeFWx7QLK46ikzhBQI8Pjf7brbAFKeAwkmOBNA5ZY4KDks F/klgJOd5CSHSSClhquc+s+1Mwz8xFrTunMKErD551YVGaRw2hifcR1azWGdB5jV1T aDP7yul9FDApg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dylan Hung , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.8 569/715] i3c: dw: Disable IBI IRQ depends on hot-join and SIR enabling Date: Sun, 24 Mar 2024 18:32:28 -0400 Message-ID: <20240324223455.1342824-570-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324223455.1342824-1-sashal@kernel.org> References: <20240324223455.1342824-1-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: 8bit 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@aspeedtech.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 ef5751e91cc9e..276153e10f5a4 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 = reg == 0xffffffff; reg &= ~BIT(idx); } else { - global = reg == 0; + bool hj_rejected = !!(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_HOT_JOIN_NACK); + reg |= BIT(idx); + global = (reg == 0xffffffff) && hj_rejected; } writel(reg, master->regs + IBI_SIR_REQ_REJECT); -- 2.43.0