diff options
author | Lennert Buytenhek <buytenh@marvell.com> | 2008-10-08 16:29:57 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-10-08 16:29:57 -0700 |
commit | 298cf9beb9679522de995e249eccbd82f7c51999 (patch) | |
tree | cabbc9c696a063982aea9a24d8caa667daa33a1a /drivers/net/phy | |
parent | 18ee49ddb0d242ed1d0e273038d5e4f6de7379d3 (diff) | |
download | kernel_samsung_smdk4412-298cf9beb9679522de995e249eccbd82f7c51999.zip kernel_samsung_smdk4412-298cf9beb9679522de995e249eccbd82f7c51999.tar.gz kernel_samsung_smdk4412-298cf9beb9679522de995e249eccbd82f7c51999.tar.bz2 |
phylib: move to dynamic allocation of struct mii_bus
This patch introduces mdiobus_alloc() and mdiobus_free(), and
makes all mdio bus drivers use these functions to allocate their
struct mii_bus'es dynamically.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'drivers/net/phy')
-rw-r--r-- | drivers/net/phy/fixed.c | 29 | ||||
-rw-r--r-- | drivers/net/phy/mdio-bitbang.c | 4 | ||||
-rw-r--r-- | drivers/net/phy/mdio-ofgpio.c | 9 | ||||
-rw-r--r-- | drivers/net/phy/mdio_bus.c | 24 |
4 files changed, 49 insertions, 17 deletions
diff --git a/drivers/net/phy/fixed.c b/drivers/net/phy/fixed.c index 1cec896..b5e13f8 100644 --- a/drivers/net/phy/fixed.c +++ b/drivers/net/phy/fixed.c @@ -24,7 +24,7 @@ struct fixed_mdio_bus { int irqs[PHY_MAX_ADDR]; - struct mii_bus mii_bus; + struct mii_bus *mii_bus; struct list_head phys; }; @@ -213,19 +213,27 @@ static int __init fixed_mdio_bus_init(void) goto err_pdev; } - snprintf(fmb->mii_bus.id, MII_BUS_ID_SIZE, "0"); - fmb->mii_bus.name = "Fixed MDIO Bus"; - fmb->mii_bus.parent = &pdev->dev; - fmb->mii_bus.read = &fixed_mdio_read; - fmb->mii_bus.write = &fixed_mdio_write; - fmb->mii_bus.irq = fmb->irqs; + fmb->mii_bus = mdiobus_alloc(); + if (fmb->mii_bus == NULL) { + ret = -ENOMEM; + goto err_mdiobus_reg; + } - ret = mdiobus_register(&fmb->mii_bus); + snprintf(fmb->mii_bus->id, MII_BUS_ID_SIZE, "0"); + fmb->mii_bus->name = "Fixed MDIO Bus"; + fmb->mii_bus->parent = &pdev->dev; + fmb->mii_bus->read = &fixed_mdio_read; + fmb->mii_bus->write = &fixed_mdio_write; + fmb->mii_bus->irq = fmb->irqs; + + ret = mdiobus_register(fmb->mii_bus); if (ret) - goto err_mdiobus_reg; + goto err_mdiobus_alloc; return 0; +err_mdiobus_alloc: + mdiobus_free(fmb->mii_bus); err_mdiobus_reg: platform_device_unregister(pdev); err_pdev: @@ -238,7 +246,8 @@ static void __exit fixed_mdio_bus_exit(void) struct fixed_mdio_bus *fmb = &platform_fmb; struct fixed_phy *fp, *tmp; - mdiobus_unregister(&fmb->mii_bus); + mdiobus_unregister(fmb->mii_bus); + mdiobus_free(fmb->mii_bus); platform_device_unregister(pdev); list_for_each_entry_safe(fp, tmp, &fmb->phys, node) { diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c index c01b780..2576055 100644 --- a/drivers/net/phy/mdio-bitbang.c +++ b/drivers/net/phy/mdio-bitbang.c @@ -165,7 +165,7 @@ struct mii_bus *alloc_mdio_bitbang(struct mdiobb_ctrl *ctrl) { struct mii_bus *bus; - bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL); + bus = mdiobus_alloc(); if (!bus) return NULL; @@ -184,7 +184,7 @@ void free_mdio_bitbang(struct mii_bus *bus) struct mdiobb_ctrl *ctrl = bus->priv; module_put(ctrl->ops->owner); - kfree(bus); + mdiobus_free(bus); } EXPORT_SYMBOL(free_mdio_bitbang); diff --git a/drivers/net/phy/mdio-ofgpio.c b/drivers/net/phy/mdio-ofgpio.c index 27bd453..2ff9775 100644 --- a/drivers/net/phy/mdio-ofgpio.c +++ b/drivers/net/phy/mdio-ofgpio.c @@ -122,7 +122,7 @@ static int __devinit mdio_ofgpio_probe(struct of_device *ofdev, new_bus = alloc_mdio_bitbang(&bitbang->ctrl); if (!new_bus) - goto out_free_priv; + goto out_free_bitbang; new_bus->name = "GPIO Bitbanged MII", @@ -155,9 +155,9 @@ out_free_irqs: dev_set_drvdata(&ofdev->dev, NULL); kfree(new_bus->irq); out_free_bus: - kfree(new_bus); -out_free_priv: free_mdio_bitbang(new_bus); +out_free_bitbang: + kfree(bitbang); out: return ret; } @@ -168,11 +168,10 @@ static int mdio_ofgpio_remove(struct of_device *ofdev) struct mdio_gpio_info *bitbang = bus->priv; mdiobus_unregister(bus); + kfree(bus->irq); free_mdio_bitbang(bus); dev_set_drvdata(&ofdev->dev, NULL); - kfree(bus->irq); kfree(bitbang); - kfree(bus); return 0; } diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index a7211a3..d206691 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -36,6 +36,18 @@ #include <asm/uaccess.h> /** + * mdiobus_alloc - allocate a mii_bus structure + * + * Description: called by a bus driver to allocate an mii_bus + * structure to fill in. + */ +struct mii_bus *mdiobus_alloc(void) +{ + return kzalloc(sizeof(struct mii_bus), GFP_KERNEL); +} +EXPORT_SYMBOL(mdiobus_alloc); + +/** * mdiobus_register - bring up all the PHYs on a given bus and attach them to bus * @bus: target mii_bus * @@ -87,6 +99,18 @@ void mdiobus_unregister(struct mii_bus *bus) } EXPORT_SYMBOL(mdiobus_unregister); +/** + * mdiobus_free - free a struct mii_bus + * @bus: mii_bus to free + * + * This function frees the mii_bus. + */ +void mdiobus_free(struct mii_bus *bus) +{ + kfree(bus); +} +EXPORT_SYMBOL(mdiobus_free); + struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr) { struct phy_device *phydev; |