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 7E33D13FEC for ; Mon, 23 Oct 2023 11:07:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="WpzQxrqA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE42DC433C8; Mon, 23 Oct 2023 11:07:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1698059221; bh=tn9U+zJFW73tmbPFvb+5FqbSPyEiXmFejR6LvZJZp7w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WpzQxrqAO3bqAsvmIR5r4bgjfO5acf1jgiyevQyDWz46CVD6zr1TQ+M371lstW7D6 82VP0LARCgSyUMydu48ajBv5zF1YUypdbMMrEDCgQndac81E7YRup6SgZ4Ugm6qaxt FV5YyMqZxd8yRa69ueobpibOhe0i6EIGAL9ncCy8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Heiner Kallweit , Peter Rosin , Wolfram Sang , Sasha Levin Subject: [PATCH 6.5 105/241] i2c: mux: Avoid potential false error message in i2c_mux_add_adapter Date: Mon, 23 Oct 2023 12:54:51 +0200 Message-ID: <20231023104836.459582403@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231023104833.832874523@linuxfoundation.org> References: <20231023104833.832874523@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Heiner Kallweit [ Upstream commit b13e59e74ff71a1004e0508107e91e9a84fd7388 ] I2C_CLASS_DEPRECATED is a flag and not an actual class. There's nothing speaking against both, parent and child, having I2C_CLASS_DEPRECATED set. Therefore exclude it from the check. Signed-off-by: Heiner Kallweit Acked-by: Peter Rosin Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/i2c-mux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 313904be5f3bd..57ff09f18c371 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -341,7 +341,7 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, priv->adap.lock_ops = &i2c_parent_lock_ops; /* Sanity check on class */ - if (i2c_mux_parent_classes(parent) & class) + if (i2c_mux_parent_classes(parent) & class & ~I2C_CLASS_DEPRECATED) dev_err(&parent->dev, "Segment %d behind mux can't share classes with ancestors\n", chan_id); -- 2.40.1