Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
phy: ti: phy-j721e-wiz: restore mux selection during resume
While suspend and resume mux selection was getting lost. So save and
restore these values in suspend and resume operations.
Signed-off-by: Thomas Richard (TI.com) <thomas.richard@bootlin.com>
Link: https://patch.msgid.link/20251216-phy-ti-phy-j721e-wiz-resume-restore-mux-sel-v1-1-771d564db966@bootlin.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
authored by
Thomas Richard (TI.com)
and committed by
Vinod Koul
53f6240e
5442f9fd
+17
-2
+17
-2
drivers/phy/ti/phy-j721e-wiz.c
+17
-2
drivers/phy/ti/phy-j721e-wiz.c
···
393
393
struct clk *output_clks[WIZ_MAX_OUTPUT_CLOCKS];
394
394
struct clk_onecell_data clk_data;
395
395
const struct wiz_data *data;
396
+
int mux_sel_status[WIZ_MUX_NUM_CLOCKS];
396
397
};
397
398
398
399
static int wiz_reset(struct wiz *wiz)
···
1655
1654
pm_runtime_disable(dev);
1656
1655
}
1657
1656
1657
+
static int wiz_suspend_noirq(struct device *dev)
1658
+
{
1659
+
struct wiz *wiz = dev_get_drvdata(dev);
1660
+
int i;
1661
+
1662
+
for (i = 0; i < WIZ_MUX_NUM_CLOCKS; i++)
1663
+
regmap_field_read(wiz->mux_sel_field[i], &wiz->mux_sel_status[i]);
1664
+
1665
+
return 0;
1666
+
}
1667
+
1658
1668
static int wiz_resume_noirq(struct device *dev)
1659
1669
{
1660
1670
struct device_node *node = dev->of_node;
1661
1671
struct wiz *wiz = dev_get_drvdata(dev);
1662
-
int ret;
1672
+
int ret, i;
1673
+
1674
+
for (i = 0; i < WIZ_MUX_NUM_CLOCKS; i++)
1675
+
regmap_field_write(wiz->mux_sel_field[i], wiz->mux_sel_status[i]);
1663
1676
1664
1677
/* Enable supplemental Control override if available */
1665
1678
if (wiz->sup_legacy_clk_override)
···
1695
1680
return ret;
1696
1681
}
1697
1682
1698
-
static DEFINE_NOIRQ_DEV_PM_OPS(wiz_pm_ops, NULL, wiz_resume_noirq);
1683
+
static DEFINE_NOIRQ_DEV_PM_OPS(wiz_pm_ops, wiz_suspend_noirq, wiz_resume_noirq);
1699
1684
1700
1685
static struct platform_driver wiz_driver = {
1701
1686
.probe = wiz_probe,