From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH 5/7] mdio_bus: Add mdiobus_get_bus() function
Date: Mon, 25 Jan 2016 21:55:56 -0800 [thread overview]
Message-ID: <1453787758-12688-5-git-send-email-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <1453787758-12688-1-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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next prev parent reply other threads:[~2016-01-26 5:56 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 5:55 [PATCH 1/7] include/linux/phy.h: Add MII_ADDR_C45 Andrey Smirnov
2016-01-26 5:55 ` [PATCH 2/7] net: Port bitbanged MDIO code from Linux kernel Andrey Smirnov
2016-01-26 5:55 ` [PATCH 3/7] miitool: Fix PHY argument handling Andrey Smirnov
2016-01-26 5:55 ` [PATCH 4/7] mdio_bus: Change dev_info to dev_dbg Andrey Smirnov
2016-01-26 5:55 ` Andrey Smirnov [this message]
2016-01-26 5:55 ` [PATCH 6/7] miitool: Don't print negative parent IDs Andrey Smirnov
2016-01-26 5:55 ` [PATCH 7/7] commands: Add mdio_read and mdio_write Andrey Smirnov
2016-01-26 21:55 ` Sascha Hauer
2016-01-27 2:09 ` Andrey Smirnov
2016-01-27 2:29 ` Trent Piepho
2016-01-27 7:19 ` Sascha Hauer
2016-01-27 7:26 ` Sascha Hauer
2016-01-28 18:00 ` Andrey Smirnov
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