From d40c2d4ed62df64ce603c208bceff25245380157 Mon Sep 17 00:00:00 2001
From: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Date: Wed, 9 Dec 2020 18:33:43 -0800
Subject: [PATCH] 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>
---
drivers/spmi/spmi.c | 9 +++++++++
include/linux/spmi.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index 253340e10dab..51f5aeb65b3b 100644
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c
@@ -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,
};
diff --git a/include/linux/spmi.h b/include/linux/spmi.h
index 394a3f68bad5..729bcbf9f5ad 100644
--- a/include/linux/spmi.h
+++ b/include/linux/spmi.h
@@ -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)