From: Vitor Soares <Vitor.Soares@synopsys.com>
To: linux-kernel@vger.kernel.org, linux-i3c@lists.infradead.org
Cc: Jose.Abreu@synopsys.com, 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 v2 3/4] i3c: master: add i3c_for_each_dev helper
Date: Wed, 29 Jan 2020 13:17:34 +0100 [thread overview]
Message-ID: <868e5b37fd817b65e6953ed7279f5063e5fc06c5.1580299067.git.vitor.soares@synopsys.com> (raw)
In-Reply-To: <cover.1580299067.git.vitor.soares@synopsys.com>
In-Reply-To: <cover.1580299067.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 21c4372..8e22da2 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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next prev parent reply other threads:[~2020-01-31 12:24 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-29 12:17 [RFC v2 0/4] Introduce i3c device userspace interface Vitor Soares
2020-01-29 12:17 ` [RFC v2 1/4] i3c: master: export i3c_masterdev_type Vitor Soares
2020-02-17 14:56 ` Boris Brezillon
2020-02-17 14:59 ` Boris Brezillon
2020-01-29 12:17 ` [RFC v2 2/4] i3c: master: export i3c_bus_type symbol Vitor Soares
2020-01-29 12:17 ` Vitor Soares [this message]
2020-01-29 12:17 ` [RFC v2 4/4] i3c: add i3cdev module to expose i3c dev in /dev Vitor Soares
2020-01-29 14:30 ` Arnd Bergmann
2020-01-29 17:00 ` Vitor Soares
2020-01-29 19:39 ` Arnd Bergmann
2020-02-04 13:19 ` Vitor Soares
2020-02-17 15:26 ` Boris Brezillon
2020-02-17 14:51 ` [RFC v2 0/4] Introduce i3c device userspace interface Boris Brezillon
2020-02-17 15:06 ` Arnd Bergmann
2020-02-17 15:36 ` Boris Brezillon
2020-02-17 15:55 ` Vitor Soares
2020-02-17 16:03 ` gregkh
2020-02-17 16:12 ` Vitor Soares
2020-02-17 16:23 ` Boris Brezillon
2020-02-17 16:31 ` Arnd Bergmann
2020-02-17 17:06 ` Boris Brezillon
2020-02-17 16:19 ` Arnd Bergmann
2020-02-17 16:34 ` Boris Brezillon
2020-02-17 15:32 ` Vitor Soares
2020-02-17 15:52 ` Boris Brezillon
2020-02-17 17:37 ` Boris Brezillon
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