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spmi: Add driver shutdown support 

Add new shutdown() method.  Use it in the standard driver model style.

Link: https://lore.kernel.org/r/1603187810-30481-2-git-send-email-hsin-hsiung.wang@mediatek.com
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20201210023344.2838141-4-sboyd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hsin-Hsiung Wang 2020-12-09 18:33:43 -08:00 committed by Greg Kroah-Hartman
parent 0be0a733c9
commit d40c2d4ed6
2 changed files with 10 additions and 0 deletions
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9
drivers/spmi/spmi.c
View File

@ -359,6 +359,14 @@ static int spmi_drv_remove(struct device *dev)
return 0;
}
static void spmi_drv_shutdown(struct device *dev)
{
const struct spmi_driver *sdrv = to_spmi_driver(dev->driver);
if (sdrv && sdrv->shutdown)
sdrv->shutdown(to_spmi_device(dev));
}
static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env)
{
int ret;
@ -375,6 +383,7 @@ static struct bus_type spmi_bus_type = {
.match = spmi_device_match,
.probe = spmi_drv_probe,
.remove = spmi_drv_remove,
.shutdown = spmi_drv_shutdown,
.uevent = spmi_drv_uevent,
};

1
include/linux/spmi.h
View File

@ -138,6 +138,7 @@ struct spmi_driver {
struct device_driver driver;
int (*probe)(struct spmi_device *sdev);
void (*remove)(struct spmi_device *sdev);
void (*shutdown)(struct spmi_device *sdev);
};
static inline struct spmi_driver *to_spmi_driver(struct device_driver *d)