[PATCH 1/3] spmi: Add driver shutdown support
From: Hsin-Hsiung Wang <hidden>
Date: 2020-08-03 08:57:41
Also in:
linux-arm-msm, linux-devicetree, linux-mediatek, lkml
Subsystem:
spmi subsystem, the rest · Maintainers:
Stephen Boyd, Linus Torvalds
Add new shutdown() method. Use it in the standard driver model style. Signed-off-by: Hsin-Hsiung Wang <redacted> --- drivers/spmi/spmi.c | 12 ++++++++++++ drivers/spmi/spmi.c | 12 ++++++++++++ include/linux/spmi.h | 1 + 2 files changed, 13 insertions(+)
diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index c16b60f..5fde024 100644
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c@@ -357,6 +357,17 @@ 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) + return; + + + if (sdrv->shutdown) + sdrv->shutdown(to_spmi_device(dev)); +} +} + static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env) { int ret;
@@ -373,6 +384,7 @@ static struct bus_type spmi_bus_type = {@@ -373,6 +384,7 @@ 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 394a3f6..729bcbf 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)
--
2.6.4
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