Re: [PATCH 6/7] net: phy: Add pm support to Broadcom iProc mdio mux driver
From: Andrew Lunn <andrew@lunn.ch>
Date: 2018-07-26 19:16:48
Also in:
linux-arm-kernel, linux-devicetree, lkml
On Thu, Jul 26, 2018 at 11:36:23AM -0700, Arun Parameswaran wrote:
Add support for suspend and resume to the Broadcom iProc mdio mux driver.
+#ifdef CONFIG_PM_SLEEP
+static int mdio_mux_iproc_suspend(struct device *dev)
+{
+ int i;
+ struct iproc_mdiomux_desc *md = dev_get_drvdata(dev);
+
+ for (i = 0; i < MDIO_NUM_OF_REGS_TO_RESTORE; i++)
+ md->restore_regs[i] = readl(md->base +
+ restore_reg_offsets[i]);
+
+ return 0;
+}
+
+static int mdio_mux_iproc_resume(struct device *dev)
+{
+ int i;
+ struct iproc_mdiomux_desc *md = dev_get_drvdata(dev);
+
+ for (i = 0; i < MDIO_NUM_OF_REGS_TO_RESTORE; i++)
+ writel(md->restore_regs[i],
+ md->base + restore_reg_offsets[i]);
+
+ return 0;
+}Hi Arun Would it not be simpler to just call mdio_mux_iproc_config_clk() on resume? Andrew