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authorAndrey Smirnov <andrew.smirnov@gmail.com>2017-11-09 19:05:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-28 17:32:32 +0300
commit525ba62c96abec9130b8edb877d1128864cee01c (patch)
tree701b7a810383978fca73b8840ba1e16c753049b8 /include/linux/serdev.h
parent98869f9f9e7dfca97de3505bcdfa1115abe9b893 (diff)
downloadlinux-525ba62c96abec9130b8edb877d1128864cee01c.tar.xz
serdev: Introduce devm_serdev_device_open()
Add code implementing managed version of serdev_device_open() for serdev device drivers that "open" the device during driver's lifecycle only once (e.g. opened in .probe() and closed in .remove()). Cc: linux-kernel@vger.kernel.org Cc: linux-serial@vger.kernel.org Cc: Rob Herring <robh@kernel.org> Cc: cphealy@gmail.com Cc: Guenter Roeck <linux@roeck-us.net> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Nikita Yushchenko <nikita.yoush@cogentembedded.com> Cc: Lee Jones <lee.jones@linaro.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Johan Hovold <johan@kernel.org> Cc: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/serdev.h')
-rw-r--r--include/linux/serdev.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/serdev.h b/include/linux/serdev.h
index e69402d4a8ae..9929063bd45d 100644
--- a/include/linux/serdev.h
+++ b/include/linux/serdev.h
@@ -193,6 +193,7 @@ static inline int serdev_controller_receive_buf(struct serdev_controller *ctrl,
int serdev_device_open(struct serdev_device *);
void serdev_device_close(struct serdev_device *);
+int devm_serdev_device_open(struct device *, struct serdev_device *);
unsigned int serdev_device_set_baudrate(struct serdev_device *, unsigned int);
void serdev_device_set_flow_control(struct serdev_device *, bool);
int serdev_device_write_buf(struct serdev_device *, const unsigned char *, size_t);