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Date: Wed, 5 Jun 2019 16:13:43 +0100 From: Suzuki K Poulose <suzuki.poulose@....com> To: linux-kernel@...r.kernel.org Cc: gregkh@...uxfoundation.org, rafael@...nel.org, suzuki.poulose@....com, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Arnd Bergmann <arnd@...db.de>, Harald Freudenberger <freude@...ux.ibm.com>, Heiko Carstens <heiko.carstens@...ibm.com>, linux-usb@...r.kernel.org, Oliver Neukum <oneukum@...e.com>, Sebastian Andrzej Siewior <bigeasy@...utronix.de>, Tomas Winkler <tomas.winkler@...el.com>, Ulf Hansson <ulf.hansson@...aro.org>, Joe Perches <joe@...ches.com> Subject: [PATCH 06/13] drivers: Add generic helper to match by devt Add a helper to match the device type. Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Cc: Arnd Bergmann <arnd@...db.de> Cc: Harald Freudenberger <freude@...ux.ibm.com> Cc: Heiko Carstens <heiko.carstens@...ibm.com> Cc: linux-usb@...r.kernel.org Cc: Oliver Neukum <oneukum@...e.com> Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de> Cc: Tomas Winkler <tomas.winkler@...el.com> Cc: "Rafael J. Wysocki" <rafael@...nel.org> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Ulf Hansson <ulf.hansson@...aro.org> Cc: Joe Perches <joe@...ches.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com> --- drivers/base/core.c | 6 ++++++ include/linux/device.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/base/core.c b/drivers/base/core.c index efcdb96..b827ca1 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -3340,3 +3340,9 @@ int device_match_fwnode(struct device *dev, const void *fwnode) return dev_fwnode(dev) == fwnode; } EXPORT_SYMBOL_GPL(device_match_fwnode); + +int device_match_devt(struct device *dev, const void *pdevt) +{ + return dev->devt == *(dev_t *)pdevt; +} +EXPORT_SYMBOL_GPL(device_match_devt); diff --git a/include/linux/device.h b/include/linux/device.h index 08aa087..f315692 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -165,6 +165,7 @@ void subsys_dev_iter_exit(struct subsys_dev_iter *iter); int device_match_of_node(struct device *dev, const void *np); int device_match_fwnode(struct device *dev, const void *fwnode); +int device_match_devt(struct device *dev, const void *pdevt); int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, int (*fn)(struct device *dev, void *data)); -- 2.7.4
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