linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Thorsten Scherer <t.scherer@eckelmann.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] siox: Use bus_type functions for probe, remote and shutdown
Date: Thu, 19 Nov 2020 14:23:10 +0100	[thread overview]
Message-ID: <20201119132311.2604232-1-u.kleine-koenig@pengutronix.de> (raw)

The eventual goal is to get rid of the callbacks in struct
device_driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/siox/siox-core.c | 39 +++++++++++++++++++++------------------
 1 file changed, 21 insertions(+), 18 deletions(-)

diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index f8c08fb9891d..7b3a2b63304b 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -512,41 +512,49 @@ static int siox_match(struct device *dev, struct device_driver *drv)
 	return 1;
 }
 
-static struct bus_type siox_bus_type = {
-	.name = "siox",
-	.match = siox_match,
-};
-
-static int siox_driver_probe(struct device *dev)
+static int siox_probe(struct device *dev)
 {
 	struct siox_driver *sdriver = to_siox_driver(dev->driver);
 	struct siox_device *sdevice = to_siox_device(dev);
-	int ret;
+	int ret = 0;
+
+	if (sdriver->probe)
+		ret = sdriver->probe(sdevice);
 
-	ret = sdriver->probe(sdevice);
 	return ret;
 }
 
-static int siox_driver_remove(struct device *dev)
+static int siox_remove(struct device *dev)
 {
 	struct siox_driver *sdriver =
 		container_of(dev->driver, struct siox_driver, driver);
 	struct siox_device *sdevice = to_siox_device(dev);
-	int ret;
+	int ret = 0;
+
+	if (sdriver->remove)
+		ret = sdriver->remove(sdevice);
 
-	ret = sdriver->remove(sdevice);
 	return ret;
 }
 
-static void siox_driver_shutdown(struct device *dev)
+static void siox_shutdown(struct device *dev)
 {
 	struct siox_driver *sdriver =
 		container_of(dev->driver, struct siox_driver, driver);
 	struct siox_device *sdevice = to_siox_device(dev);
 
-	sdriver->shutdown(sdevice);
+	if (sdriver->shutdown)
+		sdriver->shutdown(sdevice);
 }
 
+static struct bus_type siox_bus_type = {
+	.name = "siox",
+	.match = siox_match,
+	.probe = siox_probe,
+	.remove = siox_remove,
+	.shutdown = siox_shutdown,
+};
+
 static ssize_t active_show(struct device *dev,
 			   struct device_attribute *attr, char *buf)
 {
@@ -892,11 +900,6 @@ int __siox_driver_register(struct siox_driver *sdriver, struct module *owner)
 	sdriver->driver.bus = &siox_bus_type;
 
 	if (sdriver->probe)
-		sdriver->driver.probe = siox_driver_probe;
-	if (sdriver->remove)
-		sdriver->driver.remove = siox_driver_remove;
-	if (sdriver->shutdown)
-		sdriver->driver.shutdown = siox_driver_shutdown;
 
 	ret = driver_register(&sdriver->driver);
 	if (ret)
-- 
2.28.0


             reply	other threads:[~2020-11-19 13:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-19 13:23 Uwe Kleine-König [this message]
2020-11-19 13:23 ` [PATCH 2/2] siox: Make remove callback return void Uwe Kleine-König
2020-11-24 17:36 ` [PATCH 1/2] siox: Use bus_type functions for probe, remote and shutdown Uwe Kleine-König

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201119132311.2604232-1-u.kleine-koenig@pengutronix.de \
    --to=u.kleine-koenig@pengutronix.de \
    --cc=gregkh@linuxfoundation.org \
    --cc=kernel@pengutronix.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=t.scherer@eckelmann.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).