From: Stephen Boyd <sboyd@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH 3/4] spmi: Add driver shutdown support
Date: Wed, 9 Dec 2020 18:33:43 -0800 [thread overview]
Message-ID: <20201210023344.2838141-4-sboyd@kernel.org> (raw)
In-Reply-To: <20201210023344.2838141-1-sboyd@kernel.org>
From: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Add new shutdown() method. Use it in the standard driver model style.
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Link: https://lore.kernel.org/r/1603187810-30481-2-git-send-email-hsin-hsiung.wang@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.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)
--
https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git
next prev parent reply other threads:[~2020-12-10 2:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-10 2:33 [PATCH 0/4] SPMI queue for next merge window Stephen Boyd
2020-12-10 2:33 ` [PATCH 1/4] spmi: get rid of a warning when built with W=1 Stephen Boyd
2020-12-10 2:33 ` [PATCH 2/4] spmi: fix some coding style issues at the spmi core Stephen Boyd
2020-12-10 2:33 ` Stephen Boyd [this message]
2020-12-10 2:33 ` [PATCH 4/4] MAINTAINERS: Mark SPMI as maintained Stephen Boyd
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