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Date: Wed, 29 Jan 2020 13:17:34 +0100 From: Vitor Soares <Vitor.Soares@...opsys.com> To: linux-kernel@...r.kernel.org, linux-i3c@...ts.infradead.org Cc: Joao.Pinto@...opsys.com, Jose.Abreu@...opsys.com, bbrezillon@...nel.org, gregkh@...uxfoundation.org, wsa@...-dreams.de, arnd@...db.de, broonie@...nel.org, Vitor Soares <Vitor.Soares@...opsys.com> Subject: [RFC v2 3/4] i3c: master: add i3c_for_each_dev helper Introduce i3c_for_each_dev(), an i3c device iterator for use by i3cdev. Signed-off-by: Vitor Soares <vitor.soares@...opsys.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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