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From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH v2 5/8] mdio_bus: Add mdiobus_get_bus() function
Date: Sun, 31 Jan 2016 19:10:10 -0800	[thread overview]
Message-ID: <1454296213-12734-6-git-send-email-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <1454296213-12734-1-git-send-email-andrew.smirnov@gmail.com>

Add mdiobus_get_bus() -- a function to get a MDIO bus by its number

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 drivers/net/phy/mdio_bus.c | 19 +++++++++++++++++++
 include/linux/phy.h        |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 54d2f8f..b74b27e 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -187,6 +187,25 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr)
 }
 EXPORT_SYMBOL(mdiobus_scan);
 
+
+/**
+ *
+ * mdio_get_bus - get a MDIO bus from its busnum
+ *
+ * @param	busnum	the desired bus number
+ *
+ */
+struct mii_bus *mdiobus_get_bus(int busnum)
+{
+	struct mii_bus *mii;
+
+	for_each_mii_bus(mii)
+		if (mii->dev.id == busnum)
+			return mii;
+
+	return NULL;
+}
+
 /**
  * mdio_bus_match - determine if given PHY driver supports the given PHY device
  * @dev: target PHY device
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 58e69da..4e88936 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -114,6 +114,8 @@ int mdiobus_detect(struct device_d *dev);
 #define for_each_mii_bus(mii) \
 	list_for_each_entry(mii, &mii_bus_list, list)
 
+struct mii_bus *mdiobus_get_bus(int busnum);
+
 /**
  * mdiobus_read - Convenience function for reading a given MII mgmt register
  * @bus: the mii_bus struct
-- 
2.5.0


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  parent reply	other threads:[~2016-02-01  3:11 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-01  3:10 [PATCH v2 0/8] Bitbang MDIO, miitool changes Andrey Smirnov
2016-02-01  3:10 ` [PATCH v2 1/8] include/linux/phy.h: Add MII_ADDR_C45 Andrey Smirnov
2016-02-01  3:10 ` [PATCH v2 2/8] net: Port bitbanged MDIO code from Linux kernel Andrey Smirnov
2016-02-01  3:10 ` [PATCH v2 3/8] miitool: Fix PHY argument handling Andrey Smirnov
2016-02-01  3:10 ` [PATCH v2 4/8] mdio_bus: Change dev_info to dev_dbg Andrey Smirnov
2016-02-01  3:10 ` Andrey Smirnov [this message]
2016-02-01  3:10 ` [PATCH v2 6/8] miitool: Don't print negative parent IDs Andrey Smirnov
2016-02-01  3:10 ` [PATCH v2 7/8] mdio_bus: Change PHY's naming scheme Andrey Smirnov
2016-02-03  7:36   ` Sascha Hauer
2016-02-03 19:23     ` Andrey Smirnov
2016-02-04  7:47       ` Sascha Hauer
2016-02-01  3:10 ` [PATCH v2 8/8] miitool: Add code to register a PHY Andrey Smirnov
2016-02-01  9:35   ` Sascha Hauer
2016-02-03  0:41     ` Andrey Smirnov
2016-02-03  7:34       ` Sascha Hauer
2016-02-03 19:20         ` Andrey Smirnov

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