linux-kernel - [PATCH v3 22/56] parport: fix a kernel-doc markup

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Message-Id: <7d7bc15bf755561c230ba95b4fc083fa1026a942.1603469755.git.mchehab+huawei@kernel.org>
Date:   Fri, 23 Oct 2020 18:33:09 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "Jonathan Corbet" <corbet@....net>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 22/56] parport: fix a kernel-doc markup

The kernel-doc markup inside share.c is actually for
__parport_register_driver. The actual goal seems to be
to document parport_register_driver().

So, fix the existing markup and add a new one.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 drivers/parport/share.c |  2 +-
 include/linux/parport.h | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 7fec4fefe151..62f8407923d4 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -243,7 +243,7 @@ static int port_detect(struct device *dev, void *dev_drv)
 }
 
 /**
- *	parport_register_driver - register a parallel port device driver
+ *	__parport_register_driver - register a parallel port device driver
  *	@drv: structure describing the driver
  *	@owner: owner module of drv
  *	@mod_name: module name string
diff --git a/include/linux/parport.h b/include/linux/parport.h
index 1fb508c19e83..f981f794c850 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -297,6 +297,37 @@ int __must_check __parport_register_driver(struct parport_driver *,
  * parport_register_driver must be a macro so that KBUILD_MODNAME can
  * be expanded
  */
+
+/**
+ *	parport_register_driver - register a parallel port device driver
+ *	@driver: structure describing the driver
+ *
+ *	This can be called by a parallel port device driver in order
+ *	to receive notifications about ports being found in the
+ *	system, as well as ports no longer available.
+ *
+ *	If devmodel is true then the new device model is used
+ *	for registration.
+ *
+ *	The @driver structure is allocated by the caller and must not be
+ *	deallocated until after calling parport_unregister_driver().
+ *
+ *	If using the non device model:
+ *	The driver's attach() function may block.  The port that
+ *	attach() is given will be valid for the duration of the
+ *	callback, but if the driver wants to take a copy of the
+ *	pointer it must call parport_get_port() to do so.  Calling
+ *	parport_register_device() on that port will do this for you.
+ *
+ *	The driver's detach() function may block.  The port that
+ *	detach() is given will be valid for the duration of the
+ *	callback, but if the driver wants to take a copy of the
+ *	pointer it must call parport_get_port() to do so.
+ *
+ *
+ *	Returns 0 on success. The non device model will always succeeds.
+ *	but the new device model can fail and will return the error code.
+ **/
 #define parport_register_driver(driver)             \
 	__parport_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
 
-- 
2.26.2