diff options
| author |   Russell King <rmk+kernel@armlinux.org.uk> | 2017-04-10 16:28:31 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-04-13 10:59:12 -0400 |
| commit | 96cb4342382290c935d933a08feb57d6d0183071 (patch) | |
| tree | 6afd9388b916eddcb5f0fb03456116a47c91bb41 /drivers/net/ethernet/marvell/mvmdio.c | |
| parent | dt-bindings: allow up to three clocks for orion-mdio (diff) | |
| download | linux-dev-96cb4342382290c935d933a08feb57d6d0183071.tar.xz linux-dev-96cb4342382290c935d933a08feb57d6d0183071.zip | |
net: mvmdio: allow up to three clocks to be specified for orion-mdio
Allow up to three clocks to be specified and enabled for the orion-mdio
interface, which are required for this interface to be accessible on
Armada 8k platforms.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/mvmdio.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvmdio.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c index 614dfde657fe..90a60b98c28e 100644 --- a/drivers/net/ethernet/marvell/mvmdio.c +++ b/drivers/net/ethernet/marvell/mvmdio.c @@ -53,7 +53,7 @@ struct orion_mdio_dev { struct mutex lock; void __iomem *regs; - struct clk *clk; + struct clk *clk[3]; /* * If we have access to the error interrupt pin (which is * somewhat misnamed as it not only reflects internal errors @@ -187,7 +187,7 @@ static int orion_mdio_probe(struct platform_device *pdev) struct resource *r; struct mii_bus *bus; struct orion_mdio_dev *dev; - int ret; + int i, ret; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { @@ -216,9 +216,12 @@ static int orion_mdio_probe(struct platform_device *pdev) init_waitqueue_head(&dev->smi_busy_wait); - dev->clk = devm_clk_get(&pdev->dev, NULL); - if (!IS_ERR(dev->clk)) - clk_prepare_enable(dev->clk); + for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { + dev->clk[i] = of_clk_get(pdev->dev.of_node, i); + if (IS_ERR(dev->clk[i])) + break; + clk_prepare_enable(dev->clk[i]); + } dev->err_interrupt = platform_get_irq(pdev, 0); if (dev->err_interrupt > 0 && @@ -259,8 +262,14 @@ static int orion_mdio_probe(struct platform_device *pdev) out_mdio: if (dev->err_interrupt > 0) writel(0, dev->regs + MVMDIO_ERR_INT_MASK); - if (!IS_ERR(dev->clk)) - clk_disable_unprepare(dev->clk); + + for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { + if (IS_ERR(dev->clk[i])) + break; + clk_disable_unprepare(dev->clk[i]); + clk_put(dev->clk[i]); + } + return ret; } @@ -268,12 +277,18 @@ static int orion_mdio_remove(struct platform_device *pdev) { struct mii_bus *bus = platform_get_drvdata(pdev); struct orion_mdio_dev *dev = bus->priv; + int i; if (dev->err_interrupt > 0) writel(0, dev->regs + MVMDIO_ERR_INT_MASK); mdiobus_unregister(bus); - if (!IS_ERR(dev->clk)) - clk_disable_unprepare(dev->clk); + + for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { + if (IS_ERR(dev->clk[i])) + break; + clk_disable_unprepare(dev->clk[i]); + clk_put(dev->clk[i]); + } return 0; } |