netdev - [PATCH v4 3/5] stmmac: introduce get_stmmac_bsp

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Message-Id: <20160904182320.671-4-martin.blumenstingl@googlemail.com>
Date:   Sun,  4 Sep 2016 20:23:18 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     linux-amlogic@...ts.infradead.org, khilman@...libre.com,
        carlo@...one.org, mturquette@...libre.com, peppe.cavallaro@...com,
        alexandre.torgue@...com
Cc:     robh+dt@...nel.org, mark.rutland@....com, catalin.marinas@....com,
        will.deacon@....com, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        sboyd@...eaurora.org, manabian@...il.com, arnd@...db.de,
        davem@...emloft.net
Subject: [PATCH v4 3/5] stmmac: introduce get_stmmac_bsp_priv() helper

From: Joachim Eastwood <manabian@...il.com>

Create a helper to retrive dwmac private data from a dev
pointer. This is useful in PM callbacks and driver remove.

Signed-off-by: Joachim Eastwood <manabian@...il.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Acked-by: David S. Miller <davem@...emloft.net>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
index ffeb8d9..64e147f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
@@ -30,4 +30,12 @@ int stmmac_get_platform_resources(struct platform_device *pdev,
 int stmmac_pltfr_remove(struct platform_device *pdev);
 extern const struct dev_pm_ops stmmac_pltfr_pm_ops;
 
+static inline void *get_stmmac_bsp_priv(struct device *dev)
+{
+	struct net_device *ndev = dev_get_drvdata(dev);
+	struct stmmac_priv *priv = netdev_priv(ndev);
+
+	return priv->plat->bsp_priv;
+}
+
 #endif /* __STMMAC_PLATFORM_H__ */
-- 
2.9.3