[PATCH v4 02/14] phy: cadence: Sierra: Make "phy_clk" and "sierra_apb" optional resources

Kishon Vijay Abraham I
2019-12-16T09:56:12Z

Certain platforms like TI J721E using Cadence Sierra Serdes
doesn't provide explicit phy_clk and reset (APB reset) control.
Make them optional here.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
drivers/phy/cadence/phy-cadence-sierra.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
index de10402f2931..bed68c25682f 100644
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@@ -193,7 +193,7 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, sp);

- sp->clk = devm_clk_get(dev, "phy_clk");
+ sp->clk = devm_clk_get_optional(dev, "phy_clk");
if (IS_ERR(sp->clk)) {
dev_err(dev, "failed to get clock phy_clk\n");
return PTR_ERR(sp->clk);
@@ -205,7 +205,7 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev)
return PTR_ERR(sp->phy_rst);
}

- sp->apb_rst = devm_reset_control_get(dev, "sierra_apb");
+ sp->apb_rst = devm_reset_control_get_optional(dev, "sierra_apb");
if (IS_ERR(sp->apb_rst)) {
dev_err(dev, "failed to get apb reset\n");
return PTR_ERR(sp->apb_rst);
--
2.17.1