stmmac: introduce get_stmmac_bsp_priv() helper

Create a helper to retrieve dwmac private data from a dev pointer. This is useful in PM callbacks and driver remove. Signed-off-by: Joachim Eastwood <[email protected]> Tested-by: Martin Blumenstingl <[email protected]> Acked-by: David S. Miller <[email protected]> Signed-off-by: Kevin Hilman <[email protected]>
zandrey · Sep 7, 2016 · 1b0acbf · 1b0acbf
1 parent 6aee159
commit 1b0acbf
Showing 1 changed file with 8 additions and 0 deletions.
diff --git 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__ */