[PATCH v2 7/7] net: phy: Add pm support to Broadcom iProc mdio mux driver
From: f.fainelli@gmail.com (Florian Fainelli)
Date: 2018-07-30 22:53:12
Also in:
linux-devicetree, lkml, netdev
On 07/27/2018 02:23 PM, Arun Parameswaran wrote:
quoted hunk ↗ jump to hunk
Add support for suspend and resume to the Broadcom iProc mdio mux driver. Signed-off-by: Arun Parameswaran <redacted> --- drivers/net/phy/mdio-mux-bcm-iproc.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c index 51d1003..d89dce0 100644 --- a/drivers/net/phy/mdio-mux-bcm-iproc.c +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c@@ -290,6 +290,33 @@ static int mdio_mux_iproc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int mdio_mux_iproc_suspend(struct device *dev) +{ + struct iproc_mdiomux_desc *md = dev_get_drvdata(dev); + + if (md->core_clk) + clk_disable_unprepare(md->core_clk);
Since you are assigning md->core_clk to NULL in case clk_get() returned an error, checking for md->core_clk is not necessary since the Linux common clock framework perform that NULL check already. -- -- Florian