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Tue, 20 Oct 2020 17:57:25 +0800 From: Hsin-Hsiung Wang To: Liam Girdwood , Mark Brown , "Rob Herring" , Matthias Brugger , Stephen Boyd Subject: [PATCH v2 1/3] spmi: Add driver shutdown support Date: Tue, 20 Oct 2020 17:56:48 +0800 Message-ID: <1603187810-30481-2-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1603187810-30481-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1603187810-30481-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201020_055743_155389_970DFAF7 X-CRM114-Status: GOOD ( 15.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Hsin-Hsiung Wang , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add new shutdown() method. Use it in the standard driver model style. Signed-off-by: Hsin-Hsiung Wang --- 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 c16b60f645a4..161a48ca4acc 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -357,6 +357,14 @@ 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; @@ -373,6 +381,7 @@ 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)