Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753919AbdCIWRI (ORCPT ); Thu, 9 Mar 2017 17:17:08 -0500 Received: from mail-pf0-f196.google.com ([209.85.192.196]:33869 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751657AbdCIWRF (ORCPT ); Thu, 9 Mar 2017 17:17:05 -0500 From: Dmitry Torokhov To: Benjamin Tissoires , Wolfram Sang Cc: Andrew Duggan , linux-kernel@vger.kernel.org, linux-input@vger.kernel.org Subject: [PATCH 1/8] i2c: export i2c_client_type structure Date: Thu, 9 Mar 2017 14:16:37 -0800 Message-Id: <20170309221644.17035-2-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.12.0.246.ga2ecc84866-goog In-Reply-To: <20170309221644.17035-1-dmitry.torokhov@gmail.com> References: <20170309221644.17035-1-dmitry.torokhov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1828 Lines: 56 i2c bus has 2 different types of device belonging to the same bus and bus notifiers use device type to distinguish between adapters and clients. Previously we only had i2c_adapter_type exported, which made code wanting to work with i2c_client devices test for type not equal to adapter type. This unfortunately is not safe if we ever add another type to the bus, so let's export i2c_client_type as well. Signed-off-by: Dmitry Torokhov --- Wolfram, this is the patch I was talking about in the other mail. drivers/i2c/i2c-core.c | 4 ++-- include/linux/i2c.h | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 34a5115484dd..446e341e9508 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -74,7 +74,6 @@ static DEFINE_MUTEX(core_lock); static DEFINE_IDR(i2c_adapter_idr); -static struct device_type i2c_client_type; static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver); static struct static_key i2c_trace_msg = STATIC_KEY_INIT_FALSE; @@ -1096,11 +1095,12 @@ struct bus_type i2c_bus_type = { }; EXPORT_SYMBOL_GPL(i2c_bus_type); -static struct device_type i2c_client_type = { +struct device_type i2c_client_type = { .groups = i2c_dev_groups, .uevent = i2c_device_uevent, .release = i2c_client_dev_release, }; +EXPORT_SYMBOL_GPL(i2c_client_type); /** diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 2cc3988d127b..89ca5e56b433 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -37,6 +37,7 @@ extern struct bus_type i2c_bus_type; extern struct device_type i2c_adapter_type; +extern struct device_type i2c_client_type; /* --- General options ------------------------------------------------ */ -- 2.12.0.246.ga2ecc84866-goog