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From: Peter Rosin <peda@lysator.liu.se>
To: linux-kernel@vger.kernel.org
Cc: Peter Rosin <peda@axentia.se>, Wolfram Sang <wsa@the-dreams.de>,
	Peter Korsgaard <peter.korsgaard@barco.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald <pmeerw@pmeerw.net>,
	Antti Palosaari <crope@iki.fi>,
	Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
	Rob Herring <robh+dt@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Grant Likely <grant.likely@linaro.org>,
	Viorel Suman <viorel.suman@intel.com>,
	Krzysztof Kozlowski <k.kozlowski@samsung.com>,
	Terry Heo <terryheo@google.com>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Tommi Rantala <tt.rantala@gmail.com>,
	linux-i2c@vger.kernel.org, linux-iio@vger.kernel.org,
	linux-media@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v4 16/18] i2c: allow adapter drivers to override the adapter locking
Date: Fri, 04 Mar 2016 10:33:14 +0100	[thread overview]
Message-ID: <56D9565A.4020201@lysator.liu.se> (raw)
In-Reply-To: <1457044050-15230-17-git-send-email-peda@lysator.liu.se>

Hi!

Here's a fixup for a problem found by the test robot. Sorry for the
inconvenience.

Cheers,
Peter

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 6be266c3d39b..5ecc6fc52ce0 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -961,6 +961,8 @@ static int i2c_check_addr_busy(struct i2c_adapter *adapter, int addr)
 /**
  * i2c_adapter_lock_bus - Get exclusive access to an I2C bus segment
  * @adapter: Target I2C bus segment
+ * @flags: I2C_LOCK_ADAPTER locks the root i2c adapter, I2C_LOCK_SEGMENT
+ *	locks only this branch in the adapter tree
  */
 static void i2c_adapter_lock_bus(struct i2c_adapter *adapter, int flags)
 {
@@ -970,6 +972,8 @@ static void i2c_adapter_lock_bus(struct i2c_adapter *adapter, int flags)
 /**
  * i2c_adapter_trylock_bus - Try to get exclusive access to an I2C bus segment
  * @adapter: Target I2C bus segment
+ * @flags: I2C_LOCK_ADAPTER trylocks the root i2c adapter, I2C_LOCK_SEGMENT
+ * 	trylocks only this branch in the adapter tree
  */
 static int i2c_adapter_trylock_bus(struct i2c_adapter *adapter, int flags)
 {
@@ -979,6 +983,8 @@ static int i2c_adapter_trylock_bus(struct i2c_adapter *adapter, int flags)
 /**
  * i2c_adapter_unlock_bus - Release exclusive access to an I2C bus segment
  * @adapter: Target I2C bus segment
+ * @flags: I2C_LOCK_ADAPTER unlocks the root i2c adapter, I2C_LOCK_SEGMENT
+ * 	unlocks only this branch in the adapter tree
  */
 static void i2c_adapter_unlock_bus(struct i2c_adapter *adapter, int flags)
 {
-- 
2.1.4

WARNING: multiple messages have this Message-ID (diff)
From: Peter Rosin <peda-SamgB31n2u5IcsJQ0EH25Q@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>,
	Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
	Peter Korsgaard
	<peter.korsgaard-ob4gmnvZ1/cAvxtiuMwx3w@public.gmane.org>,
	Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>,
	Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Hartmut Knaack <knaack.h-Mmb7MZpHnFY@public.gmane.org>,
	Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>,
	Peter Meerwald <pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org>,
	Antti Palosaari <crope-X3B1VOXEql0@public.gmane.org>,
	Mauro Carvalho Chehab
	<mchehab-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Frank Rowand
	<frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Grant Likely
	<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Viorel Suman
	<viorel.suman-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Krzysztof Kozlowski
	<k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Terry Heo <terryheo-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Hans Verkuil
	<hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	Tommi Rantala
	<tt.rantala-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v4 16/18] i2c: allow adapter drivers to override the adapter locking
Date: Fri, 04 Mar 2016 10:33:14 +0100	[thread overview]
Message-ID: <56D9565A.4020201@lysator.liu.se> (raw)
In-Reply-To: <1457044050-15230-17-git-send-email-peda-SamgB31n2u5IcsJQ0EH25Q@public.gmane.org>

Hi!

Here's a fixup for a problem found by the test robot. Sorry for the
inconvenience.

Cheers,
Peter

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 6be266c3d39b..5ecc6fc52ce0 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -961,6 +961,8 @@ static int i2c_check_addr_busy(struct i2c_adapter *adapter, int addr)
 /**
  * i2c_adapter_lock_bus - Get exclusive access to an I2C bus segment
  * @adapter: Target I2C bus segment
+ * @flags: I2C_LOCK_ADAPTER locks the root i2c adapter, I2C_LOCK_SEGMENT
+ *	locks only this branch in the adapter tree
  */
 static void i2c_adapter_lock_bus(struct i2c_adapter *adapter, int flags)
 {
@@ -970,6 +972,8 @@ static void i2c_adapter_lock_bus(struct i2c_adapter *adapter, int flags)
 /**
  * i2c_adapter_trylock_bus - Try to get exclusive access to an I2C bus segment
  * @adapter: Target I2C bus segment
+ * @flags: I2C_LOCK_ADAPTER trylocks the root i2c adapter, I2C_LOCK_SEGMENT
+ * 	trylocks only this branch in the adapter tree
  */
 static int i2c_adapter_trylock_bus(struct i2c_adapter *adapter, int flags)
 {
@@ -979,6 +983,8 @@ static int i2c_adapter_trylock_bus(struct i2c_adapter *adapter, int flags)
 /**
  * i2c_adapter_unlock_bus - Release exclusive access to an I2C bus segment
  * @adapter: Target I2C bus segment
+ * @flags: I2C_LOCK_ADAPTER unlocks the root i2c adapter, I2C_LOCK_SEGMENT
+ * 	unlocks only this branch in the adapter tree
  */
 static void i2c_adapter_unlock_bus(struct i2c_adapter *adapter, int flags)
 {
-- 
2.1.4

  parent reply	other threads:[~2016-03-04  9:33 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-03 22:27 [PATCH v4 00/18] i2c mux cleanup and locking update Peter Rosin
2016-03-03 22:27 ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 01/18] i2c-mux: add common data for every i2c-mux instance Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 02/18] i2c: i2c-mux-gpio: convert to use an explicit i2c mux core Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 03/18] i2c: i2c-mux-pinctrl: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 04/18] i2c: i2c-arb-gpio-challenge: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 05/18] i2c: i2c-mux-pca9541: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 06/18] i2c: i2c-mux-pca954x: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 07/18] i2c: i2c-mux-reg: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 08/18] iio: imu: inv_mpu6050: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 09/18] [media] m88ds3103: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 10/18] [media] rtl2830: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 11/18] [media] rtl2832: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 12/18] [media] si2168: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 13/18] [media] cx231xx: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 14/18] of/unittest: " Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-17 13:33   ` Rob Herring
2016-03-03 22:27 ` [PATCH v4 15/18] i2c-mux: drop old unused i2c-mux api Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 16/18] i2c: allow adapter drivers to override the adapter locking Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-04  5:58   ` kbuild test robot
2016-03-04  5:58     ` kbuild test robot
2016-03-04  9:33   ` Peter Rosin [this message]
2016-03-04  9:33     ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 17/18] i2c: muxes always lock the parent adapter Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-03 22:27 ` [PATCH v4 18/18] i2c-mux: relax locking of the top i2c adapter during i2c controlled muxing Peter Rosin
2016-03-03 22:27   ` Peter Rosin
2016-03-04  5:21   ` kbuild test robot
2016-03-04  5:21     ` kbuild test robot
2016-03-04  7:10   ` Peter Rosin
2016-03-04  7:10     ` Peter Rosin
2016-03-04 17:44   ` kbuild test robot
2016-03-04 17:44     ` kbuild test robot
2016-03-04 11:01 ` [PATCH v4 00/18] i2c mux cleanup and locking update Peter Rosin
2016-03-04 14:49   ` Peter Rosin
2016-03-04 14:49     ` Peter Rosin
2016-03-15 14:09 ` Peter Rosin
2016-03-15 17:08   ` Antti Palosaari
2016-03-15 17:08     ` Antti Palosaari

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