diff options
| author | Ranjith Lohithakshan <ranjithl@ti.com> | 2009-11-04 22:06:20 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-04 22:06:20 -0800 |
| commit | 8d044fe6aacaf573112331847155211a56a12736 (patch) | |
| tree | 3fcb62e2d1a26d9d628b6e4e8f8b70fd2862db93 | |
| parent | 9f9354b92defa15aa0e215946c6e2dbccecb6aa7 (diff) | |
| download | linux-8d044fe6aacaf573112331847155211a56a12736.tar.bz2 | |
TI DaVinci EMAC: Add suspend/resume capability
Add suspend/resume capability to TI DaVinci EMAC driver.
Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/davinci_emac.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index a876dce13b9e..f1b09c0992b4 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -2806,11 +2806,33 @@ static int __devexit davinci_emac_remove(struct platform_device *pdev) return 0; } +static +int davinci_emac_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct net_device *dev = platform_get_drvdata(pdev); + + if (netif_running(dev)) + emac_dev_stop(dev); + + clk_disable(emac_clk); + + return 0; +} + +static int davinci_emac_resume(struct platform_device *pdev) +{ + struct net_device *dev = platform_get_drvdata(pdev); + + clk_enable(emac_clk); + + if (netif_running(dev)) + emac_dev_open(dev); + + return 0; +} + /** * davinci_emac_driver: EMAC platform driver structure - * - * We implement only probe and remove functions - suspend/resume and - * others not supported by this module */ static struct platform_driver davinci_emac_driver = { .driver = { @@ -2819,6 +2841,8 @@ static struct platform_driver davinci_emac_driver = { }, .probe = davinci_emac_probe, .remove = __devexit_p(davinci_emac_remove), + .suspend = davinci_emac_suspend, + .resume = davinci_emac_resume, }; /** |