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net: phy: Add pm support to Broadcom iProc mdio mux driver

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Add support for suspend and resume to the Broadcom iProc mdio
mux driver.

Signed-off-by: Arun Parameswaran <arun.parameswaran@broadcom.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arun Parameswaran 2018-08-01 17:53:53 -07:00 • committed by David S. Miller
parent 56aea577c8
commit 2c7230446b
1 changed files with 27 additions and 0 deletions
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27
drivers/net/phy/mdio-mux-bcm-iproc.c
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@ -286,6 +286,32 @@ static int mdio_mux_iproc_remove(struct platform_device *pdev)
return 0; return 0;
} }
#ifdef CONFIG_PM_SLEEP
static int mdio_mux_iproc_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct iproc_mdiomux_desc *md = platform_get_drvdata(pdev);
clk_disable_unprepare(md->core_clk);
return 0;
}
static int mdio_mux_iproc_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct iproc_mdiomux_desc *md = platform_get_drvdata(pdev);
clk_prepare_enable(md->core_clk);
mdio_mux_iproc_config(md);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(mdio_mux_iproc_pm_ops,
mdio_mux_iproc_suspend, mdio_mux_iproc_resume);
static const struct of_device_id mdio_mux_iproc_match[] = { static const struct of_device_id mdio_mux_iproc_match[] = {
{ {
.compatible = "brcm,mdio-mux-iproc", .compatible = "brcm,mdio-mux-iproc",
@ -298,6 +324,7 @@ static struct platform_driver mdiomux_iproc_driver = {
.driver = { .driver = {
.name = "mdio-mux-iproc", .name = "mdio-mux-iproc",
.of_match_table = mdio_mux_iproc_match, .of_match_table = mdio_mux_iproc_match,
.pm = &mdio_mux_iproc_pm_ops,
}, },
.probe = mdio_mux_iproc_probe, .probe = mdio_mux_iproc_probe,
.remove = mdio_mux_iproc_remove, .remove = mdio_mux_iproc_remove,