From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicola Corna Subject: [PATCH 4/5] i2c: add i2c_check_quirks helper function Date: Thu, 29 Oct 2015 12:34:26 +0100 Message-ID: <1446118467-26453-4-git-send-email-nicola@corna.info> References: <1445976718-7449-1-git-send-email-nicola@corna.info> <1446118467-26453-1-git-send-email-nicola@corna.info> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1446118467-26453-1-git-send-email-nicola@corna.info> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Wolfram Sang , Stephen Warren , Lee Jones , Eric Anholt , Jonathan Cameron Cc: Nicola Corna , Lars-Peter Clausen , linux-iio@vger.kernel.org, linux-i2c@vger.kernel.org, Peter Meerwald , Hartmut Knaack , linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org List-Id: linux-i2c@vger.kernel.org This patch adds a i2c_check_quirks helper function to check the quirk flags of an i2c adapter, in a similar way to i2c_check_functionality. Signed-off-by: Nicola Corna --- include/linux/i2c.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 9697002..51028f3 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -617,6 +617,20 @@ static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func) return (func & i2c_get_functionality(adap)) == func; } +/** + * i2c_check_quirks() - Function for checking the quirk flags in an i2c adapter + * @adap: i2c adapter + * @quirks: quirk flags + * + * Return: true if the adapter has all the specified quirk flags, false if not + */ +static inline bool i2c_check_quirks(struct i2c_adapter *adap, u64 quirks) +{ + if (!adap->quirks) + return false; + return (adap->quirks->flags & quirks) == quirks; +} + /* Return the adapter number for a specific adapter */ static inline int i2c_adapter_id(struct i2c_adapter *adap) { -- 2.6.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from 13.mo4.mail-out.ovh.net ([178.33.251.8]:37275 "EHLO 13.mo4.mail-out.ovh.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751801AbbJ2MWE (ORCPT ); Thu, 29 Oct 2015 08:22:04 -0400 Received: from mail170.ha.ovh.net (gw6.ovh.net [213.251.189.206]) by mo4.mail-out.ovh.net (Postfix) with SMTP id 104181004036 for ; Thu, 29 Oct 2015 13:05:10 +0100 (CET) From: Nicola Corna To: Wolfram Sang , Stephen Warren , Lee Jones , Eric Anholt , Jonathan Cameron Cc: linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald , linux-iio@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, Nicola Corna Subject: [PATCH 4/5] i2c: add i2c_check_quirks helper function Date: Thu, 29 Oct 2015 12:34:26 +0100 Message-Id: <1446118467-26453-4-git-send-email-nicola@corna.info> In-Reply-To: <1446118467-26453-1-git-send-email-nicola@corna.info> References: <1445976718-7449-1-git-send-email-nicola@corna.info> <1446118467-26453-1-git-send-email-nicola@corna.info> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org This patch adds a i2c_check_quirks helper function to check the quirk flags of an i2c adapter, in a similar way to i2c_check_functionality. Signed-off-by: Nicola Corna --- include/linux/i2c.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 9697002..51028f3 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -617,6 +617,20 @@ static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func) return (func & i2c_get_functionality(adap)) == func; } +/** + * i2c_check_quirks() - Function for checking the quirk flags in an i2c adapter + * @adap: i2c adapter + * @quirks: quirk flags + * + * Return: true if the adapter has all the specified quirk flags, false if not + */ +static inline bool i2c_check_quirks(struct i2c_adapter *adap, u64 quirks) +{ + if (!adap->quirks) + return false; + return (adap->quirks->flags & quirks) == quirks; +} + /* Return the adapter number for a specific adapter */ static inline int i2c_adapter_id(struct i2c_adapter *adap) { -- 2.6.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicola@corna.info (Nicola Corna) Date: Thu, 29 Oct 2015 12:34:26 +0100 Subject: [PATCH 4/5] i2c: add i2c_check_quirks helper function In-Reply-To: <1446118467-26453-1-git-send-email-nicola@corna.info> References: <1445976718-7449-1-git-send-email-nicola@corna.info> <1446118467-26453-1-git-send-email-nicola@corna.info> Message-ID: <1446118467-26453-4-git-send-email-nicola@corna.info> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds a i2c_check_quirks helper function to check the quirk flags of an i2c adapter, in a similar way to i2c_check_functionality. Signed-off-by: Nicola Corna --- include/linux/i2c.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 9697002..51028f3 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -617,6 +617,20 @@ static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func) return (func & i2c_get_functionality(adap)) == func; } +/** + * i2c_check_quirks() - Function for checking the quirk flags in an i2c adapter + * @adap: i2c adapter + * @quirks: quirk flags + * + * Return: true if the adapter has all the specified quirk flags, false if not + */ +static inline bool i2c_check_quirks(struct i2c_adapter *adap, u64 quirks) +{ + if (!adap->quirks) + return false; + return (adap->quirks->flags & quirks) == quirks; +} + /* Return the adapter number for a specific adapter */ static inline int i2c_adapter_id(struct i2c_adapter *adap) { -- 2.6.1