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authorThomas Richard <thomas.richard@bootlin.com>2024-04-16 15:52:33 +0300
committerVinod Koul <vkoul@kernel.org>2024-06-03 16:47:01 +0300
commitc2286092424bf5f889f302669580fd6862967a49 (patch)
tree7f4805a9696337c1187577403d328abac242ee18 /drivers/phy
parentb5539abdd013fd3f77633413848c93f8ec84b51d (diff)
downloadlinux-c2286092424bf5f889f302669580fd6862967a49.tar.xz
phy: cadence-torrent: extract calls to clk_get from cdns_torrent_clk
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. Co-developed-by: Théo Lebrun <theo.lebrun@bootlin.com> Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com> Signed-off-by: Thomas Richard <thomas.richard@bootlin.com> Link: https://lore.kernel.org/r/20240412-j7200-phy-s2r-v1-4-f15815833974@bootlin.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy')
-rw-r--r--drivers/phy/cadence/phy-cadence-torrent.c37
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c
index 651f8fc969d8..bf1923919d7b 100644
--- a/drivers/phy/cadence/phy-cadence-torrent.c
+++ b/drivers/phy/cadence/phy-cadence-torrent.c
@@ -2699,20 +2699,29 @@ static int cdns_torrent_reset(struct cdns_torrent_phy *cdns_phy)
return 0;
}
+static int cdns_torrent_of_get_clk(struct cdns_torrent_phy *cdns_phy)
+{
+ /* refclk: Input reference clock for PLL0 */
+ cdns_phy->clk = devm_clk_get(cdns_phy->dev, "refclk");
+ if (IS_ERR(cdns_phy->clk))
+ return dev_err_probe(cdns_phy->dev, PTR_ERR(cdns_phy->clk),
+ "phy ref clock not found\n");
+
+ /* refclk1: Input reference clock for PLL1 */
+ cdns_phy->clk1 = devm_clk_get_optional(cdns_phy->dev, "pll1_refclk");
+ if (IS_ERR(cdns_phy->clk1))
+ return dev_err_probe(cdns_phy->dev, PTR_ERR(cdns_phy->clk1),
+ "phy PLL1 ref clock not found\n");
+
+ return 0;
+}
+
static int cdns_torrent_clk(struct cdns_torrent_phy *cdns_phy)
{
- struct device *dev = cdns_phy->dev;
unsigned long ref_clk1_rate;
unsigned long ref_clk_rate;
int ret;
- /* refclk: Input reference clock for PLL0 */
- cdns_phy->clk = devm_clk_get(dev, "refclk");
- if (IS_ERR(cdns_phy->clk)) {
- dev_err(dev, "phy ref clock not found\n");
- return PTR_ERR(cdns_phy->clk);
- }
-
ret = clk_prepare_enable(cdns_phy->clk);
if (ret) {
dev_err(cdns_phy->dev, "Failed to prepare ref clock: %d\n", ret);
@@ -2745,14 +2754,6 @@ static int cdns_torrent_clk(struct cdns_torrent_phy *cdns_phy)
goto disable_clk;
}
- /* refclk1: Input reference clock for PLL1 */
- cdns_phy->clk1 = devm_clk_get_optional(dev, "pll1_refclk");
- if (IS_ERR(cdns_phy->clk1)) {
- dev_err(dev, "phy PLL1 ref clock not found\n");
- ret = PTR_ERR(cdns_phy->clk1);
- goto disable_clk;
- }
-
if (cdns_phy->clk1) {
ret = clk_prepare_enable(cdns_phy->clk1);
if (ret) {
@@ -2846,6 +2847,10 @@ 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) {