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From: Vitor Soares <Vitor.Soares@synopsys.com>
To: linux-kernel@vger.kernel.org, linux-i3c@lists.infradead.org
Cc: Joao.Pinto@synopsys.com, bbrezillon@kernel.org,
	gregkh@linuxfoundation.org, wsa@the-dreams.de, arnd@arndb.de,
	broonie@kernel.org, Vitor Soares <Vitor.Soares@synopsys.com>
Subject: [RFC 4/5] i3c: master: add i3c_for_each_dev helper
Date: Tue, 10 Dec 2019 16:37:32 +0100	[thread overview]
Message-ID: <5aa3bd64a6082ded430ce27f5ea3f6956d1436ac.1575977795.git.vitor.soares@synopsys.com> (raw)
In-Reply-To: <cover.1575977795.git.vitor.soares@synopsys.com>
In-Reply-To: <cover.1575977795.git.vitor.soares@synopsys.com>

Introduce i3c_for_each_dev(), an i3c device iterator for use by i3cdev.

Signed-off-by: Vitor Soares <vitor.soares@synopsys.com>
---
 drivers/i3c/internals.h |  1 +
 drivers/i3c/master.c    | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/drivers/i3c/internals.h b/drivers/i3c/internals.h
index bc062e8..a6deedf 100644
--- a/drivers/i3c/internals.h
+++ b/drivers/i3c/internals.h
@@ -24,4 +24,5 @@ int i3c_dev_enable_ibi_locked(struct i3c_dev_desc *dev);
 int i3c_dev_request_ibi_locked(struct i3c_dev_desc *dev,
 			       const struct i3c_ibi_setup *req);
 void i3c_dev_free_ibi_locked(struct i3c_dev_desc *dev);
+int i3c_for_each_dev(void *data, int (*fn)(struct device *, void *));
 #endif /* I3C_INTERNAL_H */
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index a9df276..cc41efe 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2640,6 +2640,18 @@ void i3c_dev_free_ibi_locked(struct i3c_dev_desc *dev)
 	dev->ibi = NULL;
 }
 
+int i3c_for_each_dev(void *data, int (*fn)(struct device *, void *))
+{
+	int res;
+
+	mutex_lock(&i3c_core_lock);
+	res = bus_for_each_dev(&i3c_bus_type, NULL, data, fn);
+	mutex_unlock(&i3c_core_lock);
+
+	return res;
+}
+EXPORT_SYMBOL_GPL(i3c_for_each_dev);
+
 static int __init i3c_init(void)
 {
 	return bus_register(&i3c_bus_type);
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Vitor Soares <Vitor.Soares@synopsys.com>
To: linux-kernel@vger.kernel.org, linux-i3c@lists.infradead.org
Cc: Joao.Pinto@synopsys.com, arnd@arndb.de, wsa@the-dreams.de,
	gregkh@linuxfoundation.org, bbrezillon@kernel.org,
	Vitor Soares <Vitor.Soares@synopsys.com>,
	broonie@kernel.org
Subject: [RFC 4/5] i3c: master: add i3c_for_each_dev helper
Date: Tue, 10 Dec 2019 16:37:32 +0100	[thread overview]
Message-ID: <5aa3bd64a6082ded430ce27f5ea3f6956d1436ac.1575977795.git.vitor.soares@synopsys.com> (raw)
In-Reply-To: <cover.1575977795.git.vitor.soares@synopsys.com>
In-Reply-To: <cover.1575977795.git.vitor.soares@synopsys.com>

Introduce i3c_for_each_dev(), an i3c device iterator for use by i3cdev.

Signed-off-by: Vitor Soares <vitor.soares@synopsys.com>
---
 drivers/i3c/internals.h |  1 +
 drivers/i3c/master.c    | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/drivers/i3c/internals.h b/drivers/i3c/internals.h
index bc062e8..a6deedf 100644
--- a/drivers/i3c/internals.h
+++ b/drivers/i3c/internals.h
@@ -24,4 +24,5 @@ int i3c_dev_enable_ibi_locked(struct i3c_dev_desc *dev);
 int i3c_dev_request_ibi_locked(struct i3c_dev_desc *dev,
 			       const struct i3c_ibi_setup *req);
 void i3c_dev_free_ibi_locked(struct i3c_dev_desc *dev);
+int i3c_for_each_dev(void *data, int (*fn)(struct device *, void *));
 #endif /* I3C_INTERNAL_H */
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index a9df276..cc41efe 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2640,6 +2640,18 @@ void i3c_dev_free_ibi_locked(struct i3c_dev_desc *dev)
 	dev->ibi = NULL;
 }
 
+int i3c_for_each_dev(void *data, int (*fn)(struct device *, void *))
+{
+	int res;
+
+	mutex_lock(&i3c_core_lock);
+	res = bus_for_each_dev(&i3c_bus_type, NULL, data, fn);
+	mutex_unlock(&i3c_core_lock);
+
+	return res;
+}
+EXPORT_SYMBOL_GPL(i3c_for_each_dev);
+
 static int __init i3c_init(void)
 {
 	return bus_register(&i3c_bus_type);
-- 
2.7.4


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http://lists.infradead.org/mailman/listinfo/linux-i3c

  parent reply	other threads:[~2019-12-10 15:37 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10 15:37 [RFC 0/5] Introduce i3c device userspace interface Vitor Soares
2019-12-10 15:37 ` Vitor Soares
2019-12-10 15:37 ` [RFC 1/5] i3c: master: export i3c_masterdev_type Vitor Soares
2019-12-10 15:37   ` Vitor Soares
2019-12-10 15:37 ` [RFC 2/5] i3c: master: export i3c_bus_type symbol Vitor Soares
2019-12-10 15:37   ` Vitor Soares
2019-12-10 15:37 ` [RFC 3/5] i3c: device: expose transfer strutures to uapi Vitor Soares
2019-12-10 15:37   ` Vitor Soares
2019-12-12 14:42   ` Greg KH
2019-12-12 14:42     ` Greg KH
2019-12-12 14:48     ` Vitor Soares
2019-12-12 14:48       ` Vitor Soares
2019-12-10 15:37 ` Vitor Soares [this message]
2019-12-10 15:37   ` [RFC 4/5] i3c: master: add i3c_for_each_dev helper Vitor Soares
2019-12-10 15:37 ` [RFC 5/5] i3c: add i3cdev module to expose i3c dev in /dev Vitor Soares
2019-12-10 15:37   ` Vitor Soares
2019-12-10 17:51   ` Arnd Bergmann
2019-12-10 17:51     ` Arnd Bergmann
2019-12-10 19:15     ` Vitor Soares
2019-12-10 19:15       ` Vitor Soares
2019-12-10 19:37       ` Arnd Bergmann
2019-12-10 19:37         ` Arnd Bergmann
2019-12-11 15:07         ` Vitor Soares
2019-12-11 15:07           ` Vitor Soares
2019-12-11 15:33           ` Arnd Bergmann
2019-12-11 15:33             ` Arnd Bergmann
2019-12-20 12:39     ` Vitor Soares
2019-12-20 12:39       ` Vitor Soares
2019-12-12 14:44   ` Greg KH
2019-12-12 14:44     ` Greg KH
2019-12-12 14:56     ` Vitor Soares
2019-12-12 14:56       ` Vitor Soares
2019-12-12 16:00       ` Greg KH
2019-12-12 16:00         ` Greg KH
2019-12-12 17:25         ` Vitor Soares
2019-12-12 17:25           ` Vitor Soares
2019-12-12 17:32           ` Greg KH
2019-12-12 17:32             ` Greg KH
2019-12-12 14:46   ` Greg KH
2019-12-12 14:46     ` Greg KH

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