diff mbox series

[v2,08/15] phy: cadence-torrent: extract calls to clk_get from cdns_torrent_clk

Message ID 20240102-j7200-pcie-s2r-v2-8-8e4f7d228ec2@bootlin.com
State New
Headers show
Series Add suspend to ram support for PCIe on J7200 | expand

Commit Message

Thomas Richard Jan. 26, 2024, 2:36 p.m. UTC 
Extract calls to clk_get from cdns_torrent_clk into a separate function.
It needs to call cdns_torrent_clk at resume without looking up the clock.

Based on the work of Théo Lebrun <theo.lebrun@bootlin.com>

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
---
 drivers/phy/cadence/phy-cadence-torrent.c | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c
index a75c96385c57..94298ad9f875 100644
--- a/drivers/phy/cadence/phy-cadence-torrent.c
+++ b/drivers/phy/cadence/phy-cadence-torrent.c
@@ -2681,18 +2681,22 @@  static int cdns_torrent_reset(struct cdns_torrent_phy *cdns_phy)
 	return 0;
 }
 
-static int cdns_torrent_clk(struct cdns_torrent_phy *cdns_phy)
+static int cdns_torrent_of_get_clk(struct cdns_torrent_phy *cdns_phy)
 {
-	struct device *dev = cdns_phy->dev;
-	unsigned long ref_clk_rate;
-	int ret;
-
-	cdns_phy->clk = devm_clk_get(dev, "refclk");
+	cdns_phy->clk = devm_clk_get(cdns_phy->dev, "refclk");
 	if (IS_ERR(cdns_phy->clk)) {
-		dev_err(dev, "phy ref clock not found\n");
+		dev_err(cdns_phy->dev, "phy ref clock not found\n");
 		return PTR_ERR(cdns_phy->clk);
 	}
 
+	return 0;
+}
+
+static int cdns_torrent_clk(struct cdns_torrent_phy *cdns_phy)
+{
+	unsigned long ref_clk_rate;
+	int ret;
+
 	ret = clk_prepare_enable(cdns_phy->clk);
 	if (ret) {
 		dev_err(cdns_phy->dev, "Failed to prepare ref clock\n");
@@ -2776,6 +2780,10 @@  static int cdns_torrent_phy_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	ret = cdns_torrent_of_get_clk(cdns_phy);
+	if (ret)
+		goto clk_cleanup;
+
 	regmap_field_read(cdns_phy->phy_pma_cmn_ctrl_1, &already_configured);
 
 	if (!already_configured) {