From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39F50C468BD for ; Fri, 7 Jun 2019 10:30:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CD10212F5 for ; Fri, 7 Jun 2019 10:30:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728116AbfFGKae (ORCPT ); Fri, 7 Jun 2019 06:30:34 -0400 Received: from mga06.intel.com ([134.134.136.31]:46377 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726939AbfFGKae (ORCPT ); Fri, 7 Jun 2019 06:30:34 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Jun 2019 03:30:32 -0700 X-ExtLoop1: 1 Received: from kuha.fi.intel.com ([10.237.72.189]) by fmsmga001.fm.intel.com with SMTP; 07 Jun 2019 03:30:27 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Fri, 07 Jun 2019 13:30:26 +0300 Date: Fri, 7 Jun 2019 13:30:26 +0300 From: Heikki Krogerus To: Chunfeng Yun Cc: Rob Herring , Greg Kroah-Hartman , Mark Rutland , Matthias Brugger , Adam Thomson , Li Jun , Badhri Jagan Sridharan , Hans de Goede , Andy Shevchenko , Min Guo , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Biju Das , Linus Walleij , Yu Chen Subject: Re: [PATCH v6 06/10] device connection: Add fwnode_connection_find_match() Message-ID: <20190607103026.GE10298@kuha.fi.intel.com> References: <1559115828-19146-1-git-send-email-chunfeng.yun@mediatek.com> <1559115828-19146-7-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="bg08WKrSYDhXBjb5" Content-Disposition: inline In-Reply-To: <1559115828-19146-7-git-send-email-chunfeng.yun@mediatek.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, On Wed, May 29, 2019 at 03:43:44PM +0800, Chunfeng Yun wrote: > From: Heikki Krogerus > > The fwnode_connection_find_match() function is exactly the > same as device_connection_find_match(), except it takes > struct fwnode_handle as parameter instead of struct device. > That allows locating device connections before the device > entries have been created. > > Signed-off-by: Heikki Krogerus This one is also missing your SoB. There are now some other changes to the devcon API in Rafael's tree [1] that will conflict with this one. I'm attaching a modified version of the patch that is rebased on top of today's linux-next. If you use it, you should make a note (probable in the cover letter) that the series now depends on Rafael's tree. [1] https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/log/?h=linux-next thanks, -- heikki --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="0001-device-connection-Add-fwnode_connection_find_match.patch" >From ea4ebbfd00e6ddc7bb7ad32e2f921bfc67f2ff8f Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Wed, 22 May 2019 17:06:54 +0300 Subject: [PATCH] device connection: Add fwnode_connection_find_match() The fwnode_connection_find_match() function is exactly the same as device_connection_find_match(), except it takes struct fwnode_handle as parameter instead of struct device. That allows locating device connections before the device entries have been created. Signed-off-by: Heikki Krogerus --- drivers/base/devcon.c | 43 ++++++++++++++++++++++++++++++------------ include/linux/device.h | 10 +++++++--- 2 files changed, 38 insertions(+), 15 deletions(-) diff --git a/drivers/base/devcon.c b/drivers/base/devcon.c index f7035fc12b92..5bf9537bd738 100644 --- a/drivers/base/devcon.c +++ b/drivers/base/devcon.c @@ -12,9 +12,6 @@ static DEFINE_MUTEX(devcon_lock); static LIST_HEAD(devcon_list); -typedef void *(*devcon_match_fn_t)(struct device_connection *con, int ep, - void *data); - static void * fwnode_graph_devcon_match(struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match) @@ -60,6 +57,34 @@ fwnode_devcon_match(struct fwnode_handle *fwnode, const char *con_id, return NULL; } +/** + * fwnode_connection_find_match - Find connection from a device node + * @fwnode: Device node with the connection + * @con_id: Identifier for the connection + * @data: Data for the match function + * @match: Function to check and convert the connection description + * + * Find a connection with unique identifier @con_id between @fwnode and another + * device node. @match will be used to convert the connection description to + * data the caller is expecting to be returned. + */ +void *fwnode_connection_find_match(struct fwnode_handle *fwnode, + const char *con_id, void *data, + devcon_match_fn_t match) +{ + void *ret; + + if (!fwnode || !match) + return NULL; + + ret = fwnode_graph_devcon_match(fwnode, con_id, data, match); + if (ret) + return ret; + + return fwnode_devcon_match(fwnode, con_id, data, match); +} +EXPORT_SYMBOL_GPL(fwnode_connection_find_match); + /** * device_connection_find_match - Find physical connection to a device * @dev: Device with the connection @@ -83,15 +108,9 @@ void *device_connection_find_match(struct device *dev, const char *con_id, if (!match) return NULL; - if (fwnode) { - ret = fwnode_graph_devcon_match(fwnode, con_id, data, match); - if (ret) - return ret; - - ret = fwnode_devcon_match(fwnode, con_id, data, match); - if (ret) - return ret; - } + ret = fwnode_connection_find_match(fwnode, con_id, data, match); + if (ret) + return ret; mutex_lock(&devcon_lock); diff --git a/include/linux/device.h b/include/linux/device.h index e0649f6adf2e..fd06d75da206 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -773,10 +773,14 @@ struct device_connection { struct list_head list; }; +typedef void *(*devcon_match_fn_t)(struct device_connection *con, int ep, + void *data); + +void *fwnode_connection_find_match(struct fwnode_handle *fwnode, + const char *con_id, void *data, + devcon_match_fn_t match); void *device_connection_find_match(struct device *dev, const char *con_id, - void *data, - void *(*match)(struct device_connection *con, - int ep, void *data)); + void *data, devcon_match_fn_t match); struct device *device_connection_find(struct device *dev, const char *con_id); -- 2.20.1 --bg08WKrSYDhXBjb5-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heikki Krogerus Subject: Re: [PATCH v6 06/10] device connection: Add fwnode_connection_find_match() Date: Fri, 7 Jun 2019 13:30:26 +0300 Message-ID: <20190607103026.GE10298@kuha.fi.intel.com> References: <1559115828-19146-1-git-send-email-chunfeng.yun@mediatek.com> <1559115828-19146-7-git-send-email-chunfeng.yun@mediatek.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="bg08WKrSYDhXBjb5" Return-path: Content-Disposition: inline In-Reply-To: <1559115828-19146-7-git-send-email-chunfeng.yun@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Chunfeng Yun Cc: Rob Herring , Greg Kroah-Hartman , Mark Rutland , Matthias Brugger , Adam Thomson , Li Jun , Badhri Jagan Sridharan , Hans de Goede , Andy Shevchenko , Min Guo , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Biju Das , Linus Walleij , Yu Chen List-Id: devicetree@vger.kernel.org --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, On Wed, May 29, 2019 at 03:43:44PM +0800, Chunfeng Yun wrote: > From: Heikki Krogerus > > The fwnode_connection_find_match() function is exactly the > same as device_connection_find_match(), except it takes > struct fwnode_handle as parameter instead of struct device. > That allows locating device connections before the device > entries have been created. > > Signed-off-by: Heikki Krogerus This one is also missing your SoB. There are now some other changes to the devcon API in Rafael's tree [1] that will conflict with this one. I'm attaching a modified version of the patch that is rebased on top of today's linux-next. If you use it, you should make a note (probable in the cover letter) that the series now depends on Rafael's tree. [1] https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/log/?h=linux-next thanks, -- heikki --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="0001-device-connection-Add-fwnode_connection_find_match.patch" >>From ea4ebbfd00e6ddc7bb7ad32e2f921bfc67f2ff8f Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Wed, 22 May 2019 17:06:54 +0300 Subject: [PATCH] device connection: Add fwnode_connection_find_match() The fwnode_connection_find_match() function is exactly the same as device_connection_find_match(), except it takes struct fwnode_handle as parameter instead of struct device. That allows locating device connections before the device entries have been created. Signed-off-by: Heikki Krogerus --- drivers/base/devcon.c | 43 ++++++++++++++++++++++++++++++------------ include/linux/device.h | 10 +++++++--- 2 files changed, 38 insertions(+), 15 deletions(-) diff --git a/drivers/base/devcon.c b/drivers/base/devcon.c index f7035fc12b92..5bf9537bd738 100644 --- a/drivers/base/devcon.c +++ b/drivers/base/devcon.c @@ -12,9 +12,6 @@ static DEFINE_MUTEX(devcon_lock); static LIST_HEAD(devcon_list); -typedef void *(*devcon_match_fn_t)(struct device_connection *con, int ep, - void *data); - static void * fwnode_graph_devcon_match(struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match) @@ -60,6 +57,34 @@ fwnode_devcon_match(struct fwnode_handle *fwnode, const char *con_id, return NULL; } +/** + * fwnode_connection_find_match - Find connection from a device node + * @fwnode: Device node with the connection + * @con_id: Identifier for the connection + * @data: Data for the match function + * @match: Function to check and convert the connection description + * + * Find a connection with unique identifier @con_id between @fwnode and another + * device node. @match will be used to convert the connection description to + * data the caller is expecting to be returned. + */ +void *fwnode_connection_find_match(struct fwnode_handle *fwnode, + const char *con_id, void *data, + devcon_match_fn_t match) +{ + void *ret; + + if (!fwnode || !match) + return NULL; + + ret = fwnode_graph_devcon_match(fwnode, con_id, data, match); + if (ret) + return ret; + + return fwnode_devcon_match(fwnode, con_id, data, match); +} +EXPORT_SYMBOL_GPL(fwnode_connection_find_match); + /** * device_connection_find_match - Find physical connection to a device * @dev: Device with the connection @@ -83,15 +108,9 @@ void *device_connection_find_match(struct device *dev, const char *con_id, if (!match) return NULL; - if (fwnode) { - ret = fwnode_graph_devcon_match(fwnode, con_id, data, match); - if (ret) - return ret; - - ret = fwnode_devcon_match(fwnode, con_id, data, match); - if (ret) - return ret; - } + ret = fwnode_connection_find_match(fwnode, con_id, data, match); + if (ret) + return ret; mutex_lock(&devcon_lock); diff --git a/include/linux/device.h b/include/linux/device.h index e0649f6adf2e..fd06d75da206 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -773,10 +773,14 @@ struct device_connection { struct list_head list; }; +typedef void *(*devcon_match_fn_t)(struct device_connection *con, int ep, + void *data); + +void *fwnode_connection_find_match(struct fwnode_handle *fwnode, + const char *con_id, void *data, + devcon_match_fn_t match); void *device_connection_find_match(struct device *dev, const char *con_id, - void *data, - void *(*match)(struct device_connection *con, - int ep, void *data)); + void *data, devcon_match_fn_t match); struct device *device_connection_find(struct device *dev, const char *con_id); -- 2.20.1 --bg08WKrSYDhXBjb5-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH, USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3CF7C468BD for ; 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07 Jun 2019 03:30:27 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Fri, 07 Jun 2019 13:30:26 +0300 Date: Fri, 7 Jun 2019 13:30:26 +0300 From: Heikki Krogerus To: Chunfeng Yun Subject: Re: [PATCH v6 06/10] device connection: Add fwnode_connection_find_match() Message-ID: <20190607103026.GE10298@kuha.fi.intel.com> References: <1559115828-19146-1-git-send-email-chunfeng.yun@mediatek.com> <1559115828-19146-7-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="bg08WKrSYDhXBjb5" Content-Disposition: inline In-Reply-To: <1559115828-19146-7-git-send-email-chunfeng.yun@mediatek.com> User-Agent: Mutt/1.11.4 (2019-03-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190607_033034_901037_8F65DD11 X-CRM114-Status: GOOD ( 20.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Hans de Goede , Greg Kroah-Hartman , Linus Walleij , linux-usb@vger.kernel.org, Yu Chen , linux-kernel@vger.kernel.org, Biju Das , Badhri Jagan Sridharan , Andy Shevchenko , Rob Herring , linux-mediatek@lists.infradead.org, Min Guo , Matthias Brugger , Adam Thomson , linux-arm-kernel@lists.infradead.org, Li Jun Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, On Wed, May 29, 2019 at 03:43:44PM +0800, Chunfeng Yun wrote: > From: Heikki Krogerus > > The fwnode_connection_find_match() function is exactly the > same as device_connection_find_match(), except it takes > struct fwnode_handle as parameter instead of struct device. > That allows locating device connections before the device > entries have been created. > > Signed-off-by: Heikki Krogerus This one is also missing your SoB. There are now some other changes to the devcon API in Rafael's tree [1] that will conflict with this one. I'm attaching a modified version of the patch that is rebased on top of today's linux-next. If you use it, you should make a note (probable in the cover letter) that the series now depends on Rafael's tree. [1] https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/log/?h=linux-next thanks, -- heikki --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="0001-device-connection-Add-fwnode_connection_find_match.patch" >From ea4ebbfd00e6ddc7bb7ad32e2f921bfc67f2ff8f Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Wed, 22 May 2019 17:06:54 +0300 Subject: [PATCH] device connection: Add fwnode_connection_find_match() The fwnode_connection_find_match() function is exactly the same as device_connection_find_match(), except it takes struct fwnode_handle as parameter instead of struct device. That allows locating device connections before the device entries have been created. Signed-off-by: Heikki Krogerus --- drivers/base/devcon.c | 43 ++++++++++++++++++++++++++++++------------ include/linux/device.h | 10 +++++++--- 2 files changed, 38 insertions(+), 15 deletions(-) diff --git a/drivers/base/devcon.c b/drivers/base/devcon.c index f7035fc12b92..5bf9537bd738 100644 --- a/drivers/base/devcon.c +++ b/drivers/base/devcon.c @@ -12,9 +12,6 @@ static DEFINE_MUTEX(devcon_lock); static LIST_HEAD(devcon_list); -typedef void *(*devcon_match_fn_t)(struct device_connection *con, int ep, - void *data); - static void * fwnode_graph_devcon_match(struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match) @@ -60,6 +57,34 @@ fwnode_devcon_match(struct fwnode_handle *fwnode, const char *con_id, return NULL; } +/** + * fwnode_connection_find_match - Find connection from a device node + * @fwnode: Device node with the connection + * @con_id: Identifier for the connection + * @data: Data for the match function + * @match: Function to check and convert the connection description + * + * Find a connection with unique identifier @con_id between @fwnode and another + * device node. @match will be used to convert the connection description to + * data the caller is expecting to be returned. + */ +void *fwnode_connection_find_match(struct fwnode_handle *fwnode, + const char *con_id, void *data, + devcon_match_fn_t match) +{ + void *ret; + + if (!fwnode || !match) + return NULL; + + ret = fwnode_graph_devcon_match(fwnode, con_id, data, match); + if (ret) + return ret; + + return fwnode_devcon_match(fwnode, con_id, data, match); +} +EXPORT_SYMBOL_GPL(fwnode_connection_find_match); + /** * device_connection_find_match - Find physical connection to a device * @dev: Device with the connection @@ -83,15 +108,9 @@ void *device_connection_find_match(struct device *dev, const char *con_id, if (!match) return NULL; - if (fwnode) { - ret = fwnode_graph_devcon_match(fwnode, con_id, data, match); - if (ret) - return ret; - - ret = fwnode_devcon_match(fwnode, con_id, data, match); - if (ret) - return ret; - } + ret = fwnode_connection_find_match(fwnode, con_id, data, match); + if (ret) + return ret; mutex_lock(&devcon_lock); diff --git a/include/linux/device.h b/include/linux/device.h index e0649f6adf2e..fd06d75da206 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -773,10 +773,14 @@ struct device_connection { struct list_head list; }; +typedef void *(*devcon_match_fn_t)(struct device_connection *con, int ep, + void *data); + +void *fwnode_connection_find_match(struct fwnode_handle *fwnode, + const char *con_id, void *data, + devcon_match_fn_t match); void *device_connection_find_match(struct device *dev, const char *con_id, - void *data, - void *(*match)(struct device_connection *con, - int ep, void *data)); + void *data, devcon_match_fn_t match); struct device *device_connection_find(struct device *dev, const char *con_id); -- 2.20.1 --bg08WKrSYDhXBjb5 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --bg08WKrSYDhXBjb5--