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siox: Use bus_type functions for probe, remove and shutdown 

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

Tested-by: Thorsten Scherer <t.scherer@eckelmann.de>
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20201125093106.240643-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Uwe Kleine-König 2020-11-25 10:31:05 +01:00 committed by Greg Kroah-Hartman
parent d40c2d4ed6
commit 07d9a767ae
1 changed files with 25 additions and 24 deletions
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49
drivers/siox/siox-core.c
View File

@ -512,41 +512,48 @@ 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;
ret = sdriver->probe(sdevice);
return ret;
return sdriver->probe(sdevice);
}
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);
struct siox_driver *sdriver;
sdriver->shutdown(sdevice);
if (!dev->driver)
return;
sdriver = container_of(dev->driver, struct siox_driver, driver);
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)
{
@ -882,7 +889,8 @@ int __siox_driver_register(struct siox_driver *sdriver, struct module *owner)
if (unlikely(!siox_is_registered))
return -EPROBE_DEFER;
if (!sdriver->set_data && !sdriver->get_data) {
if (!sdriver->probe ||
(!sdriver->set_data && !sdriver->get_data)) {
pr_err("Driver %s doesn't provide needed callbacks\n",
sdriver->driver.name);
return -EINVAL;
@ -891,13 +899,6 @@ int __siox_driver_register(struct siox_driver *sdriver, struct module *owner)
sdriver->driver.owner = 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)
pr_err("Failed to register siox driver %s (%d)\n",