From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Andreas=20F=C3=A4rber?= Subject: [PATCH lora-next 2/5] net: lora: sx130x: Prepare storing driver-specific data Date: Fri, 4 Jan 2019 12:21:28 +0100 Message-ID: <20190104112131.14451-3-afaerber@suse.de> References: <20190104112131.14451-1-afaerber@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190104112131.14451-1-afaerber@suse.de> Sender: linux-kernel-owner@vger.kernel.org To: linux-lpwan@lists.infradead.org, linux-serial@vger.kernel.org Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , Rob Herring , =?UTF-8?q?Andreas=20F=C3=A4rber?= , "David S. Miller" , netdev@vger.kernel.org List-Id: devicetree@vger.kernel.org Some drivers (e.g., serdev) may need to access private data not part of the core sx130x_priv, which is inaccessible to other source files. As the sx130x core expects to obtain the net_device from the dev's drvdata, we can't reuse that in derived drivers and need a new field plus helpers. Signed-off-by: Andreas Färber --- drivers/net/lora/sx130x.c | 19 +++++++++++++++++++ include/linux/lora/sx130x.h | 2 ++ 2 files changed, 21 insertions(+) diff --git a/drivers/net/lora/sx130x.c b/drivers/net/lora/sx130x.c index 840052955874..978c921ca5ec 100644 --- a/drivers/net/lora/sx130x.c +++ b/drivers/net/lora/sx130x.c @@ -58,6 +58,7 @@ struct sx130x_priv { struct regmap *regmap; struct regmap_field *regmap_fields[ARRAY_SIZE(sx130x_regmap_fields)]; struct mutex io_lock; + void *drvdata; }; struct regmap *sx130x_get_regmap(struct device *dev) @@ -68,6 +69,24 @@ struct regmap *sx130x_get_regmap(struct device *dev) return priv->regmap; } +void sx130x_set_drvdata(struct device *dev, void *drvdata) +{ + struct net_device *netdev = dev_get_drvdata(dev); + struct sx130x_priv *priv = netdev_priv(netdev); + + priv->drvdata = drvdata; +} +EXPORT_SYMBOL_GPL(sx130x_set_drvdata); + +void *sx130x_get_drvdata(struct device *dev) +{ + struct net_device *netdev = dev_get_drvdata(dev); + struct sx130x_priv *priv = netdev_priv(netdev); + + return priv->drvdata; +} +EXPORT_SYMBOL_GPL(sx130x_get_drvdata); + void sx130x_io_lock(struct device *dev) { struct net_device *netdev = dev_get_drvdata(dev); diff --git a/include/linux/lora/sx130x.h b/include/linux/lora/sx130x.h index d6f027ef283f..85b088ec77b8 100644 --- a/include/linux/lora/sx130x.h +++ b/include/linux/lora/sx130x.h @@ -14,6 +14,8 @@ #include extern const struct regmap_config sx130x_regmap_config; +void sx130x_set_drvdata(struct device *dev, void *drvdata); +void *sx130x_get_drvdata(struct device *dev); int sx130x_early_probe(struct regmap *regmap, struct gpio_desc *rst); int sx130x_probe(struct device *dev); int sx130x_remove(struct device *dev); -- 2.16.4