From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZwXtk-0000mD-8b for barebox@lists.infradead.org; Wed, 11 Nov 2015 16:05:25 +0000 From: Sascha Hauer Date: Wed, 11 Nov 2015 17:05:00 +0100 Message-Id: <1447257901-8011-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/2] i2c: Create for_each_i2c_adapter() To: Barebox List This can be used by the i2c_probe command to iterate over i2c adapters. Signed-off-by: Sascha Hauer --- drivers/i2c/i2c.c | 8 ++++---- include/i2c/i2c.h | 4 ++++ 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/i2c.c b/drivers/i2c/i2c.c index 52aaea8..9ed96da 100644 --- a/drivers/i2c/i2c.c +++ b/drivers/i2c/i2c.c @@ -42,7 +42,7 @@ struct boardinfo { }; static LIST_HEAD(board_list); -static LIST_HEAD(adapter_list); +LIST_HEAD(i2c_adapter_list); /** * i2c_transfer - execute a single or combined I2C message @@ -529,7 +529,7 @@ struct i2c_adapter *i2c_get_adapter(int busnum) { struct i2c_adapter *adap; - list_for_each_entry(adap, &adapter_list, list) + for_each_i2c_adapter(adap) if (adap->nr == busnum) return adap; return NULL; @@ -539,7 +539,7 @@ struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) { struct i2c_adapter *adap; - list_for_each_entry(adap, &adapter_list, list) + for_each_i2c_adapter(adap) if (adap->dev.device_node == node) return adap; @@ -584,7 +584,7 @@ int i2c_add_numbered_adapter(struct i2c_adapter *adapter) if (ret) return ret; - list_add_tail(&adapter->list, &adapter_list); + list_add_tail(&adapter->list, &i2c_adapter_list); /* populate children from any i2c device tables */ scan_boardinfo(adapter); diff --git a/include/i2c/i2c.h b/include/i2c/i2c.h index 12e4827..3fab76d9 100644 --- a/include/i2c/i2c.h +++ b/include/i2c/i2c.h @@ -235,6 +235,10 @@ extern int i2c_add_numbered_adapter(struct i2c_adapter *adapter); struct i2c_adapter *i2c_get_adapter(int busnum); struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node); +extern struct list_head i2c_adapter_list; +#define for_each_i2c_adapter(adap) \ + list_for_each_entry(adap, &i2c_adapter_list, list) + /* For devices that use several addresses, use i2c_new_dummy() to make * client handles for the extra addresses. */ -- 2.6.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox