From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756274AbbFQNox (ORCPT ); Wed, 17 Jun 2015 09:44:53 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:36600 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932086AbbFQNnQ (ORCPT ); Wed, 17 Jun 2015 09:43:16 -0400 From: Tomeu Vizoso To: linux-arm-kernel@lists.infradead.org Cc: Tomeu Vizoso , Alexander Holler , Alexandre Courbot , Andrzej Hajda , Arnd Bergmann , Dmitry Torokhov , Grant Likely , Greg Kroah-Hartman , Ian Campbell , Javier Martinez Canillas , Krzysztof Kozlowski , Kumar Gala , Len Brown , Linus Walleij , linux-kernel@vger.kernel.org, Lv Zheng , Mark Brown , Mark Rutland , Pawel Moll , "Rafael J. Wysocki" , Robert Moore , Rob Herring , Russell King , Stephen Warren , =?UTF-8?q?Terje=20Bergstr=C3=B6m?= , Thierry Reding Subject: [PATCH 10/13] driver-core: add for_each_class() Date: Wed, 17 Jun 2015 15:42:20 +0200 Message-Id: <1434548543-22949-11-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.1 In-Reply-To: <1434548543-22949-1-git-send-email-tomeu.vizoso@collabora.com> References: <1434548543-22949-1-git-send-email-tomeu.vizoso@collabora.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The purpose of this function is to allow other parts of the driver core to iterate over the currently registered classes. Signed-off-by: Tomeu Vizoso --- drivers/base/base.h | 2 ++ drivers/base/class.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/base/base.h b/drivers/base/base.h index 29c985e..be81c88 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -149,3 +149,5 @@ extern int devtmpfs_init(void); #else static inline int devtmpfs_init(void) { return 0; } #endif + +extern void for_each_class(void (*fn)(struct class *, void *), void *data); diff --git a/drivers/base/class.c b/drivers/base/class.c index 6e81088..f4114a4 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -583,6 +583,22 @@ void class_compat_remove_link(struct class_compat *cls, struct device *dev, } EXPORT_SYMBOL_GPL(class_compat_remove_link); +void for_each_class(void (*fn)(struct class *, void *), void *data) +{ + struct subsys_private *cp; + struct kobject *k; + + if (!class_kset) + return; + + list_for_each_entry(k, &class_kset->list, entry) { + cp = to_subsys_private(k); + class_get(cp->class); + fn(cp->class, data); + class_put(cp->class); + } +} + int __init classes_init(void) { class_kset = kset_create_and_add("class", NULL, NULL); -- 2.4.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomeu.vizoso@collabora.com (Tomeu Vizoso) Date: Wed, 17 Jun 2015 15:42:20 +0200 Subject: [PATCH 10/13] driver-core: add for_each_class() In-Reply-To: <1434548543-22949-1-git-send-email-tomeu.vizoso@collabora.com> References: <1434548543-22949-1-git-send-email-tomeu.vizoso@collabora.com> Message-ID: <1434548543-22949-11-git-send-email-tomeu.vizoso@collabora.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The purpose of this function is to allow other parts of the driver core to iterate over the currently registered classes. Signed-off-by: Tomeu Vizoso --- drivers/base/base.h | 2 ++ drivers/base/class.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/base/base.h b/drivers/base/base.h index 29c985e..be81c88 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -149,3 +149,5 @@ extern int devtmpfs_init(void); #else static inline int devtmpfs_init(void) { return 0; } #endif + +extern void for_each_class(void (*fn)(struct class *, void *), void *data); diff --git a/drivers/base/class.c b/drivers/base/class.c index 6e81088..f4114a4 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -583,6 +583,22 @@ void class_compat_remove_link(struct class_compat *cls, struct device *dev, } EXPORT_SYMBOL_GPL(class_compat_remove_link); +void for_each_class(void (*fn)(struct class *, void *), void *data) +{ + struct subsys_private *cp; + struct kobject *k; + + if (!class_kset) + return; + + list_for_each_entry(k, &class_kset->list, entry) { + cp = to_subsys_private(k); + class_get(cp->class); + fn(cp->class, data); + class_put(cp->class); + } +} + int __init classes_init(void) { class_kset = kset_create_and_add("class", NULL, NULL); -- 2.4.1