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[net-next,v2,02/10] net: ethernet: ti: cpts: use devm_get_clk_from_child

Message ID 20190606163047.31199-3-grygorii.strashko@ti.com
State Accepted
Commit 8a6389a515f406a89a1a69c267fbc712cdd9e8e9
Headers show
Series net: ethernet: ti: netcp: update and enable cpts support | expand

Commit Message

Grygorii Strashko June 6, 2019, 4:30 p.m. UTC 
Use devm_get_clk_from_child() instead of devm_clk_get() and this way allow
to group CPTS DT properties in sub-node for better code readability and
maintenance. Roll-back to devm_clk_get() if devm_get_clk_from_child()
fails for backward compatibility.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>

Acked-by: Richard Cochran <richardcochran@gmail.com>

---
 drivers/net/ethernet/ti/cpts.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

-- 
2.17.1
diff mbox series

Patch

diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index e257018ada71..0e79f9743c19 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -572,9 +572,14 @@  struct cpts *cpts_create(struct device *dev, void __iomem *regs,
 	if (ret)
 		return ERR_PTR(ret);
 
-	cpts->refclk = devm_clk_get(dev, "cpts");
+	cpts->refclk = devm_get_clk_from_child(dev, node, "cpts");
+	if (IS_ERR(cpts->refclk))
+		/* try get clk from dev node for compatibility */
+		cpts->refclk = devm_clk_get(dev, "cpts");
+
 	if (IS_ERR(cpts->refclk)) {
-		dev_err(dev, "Failed to get cpts refclk\n");
+		dev_err(dev, "Failed to get cpts refclk %ld\n",
+			PTR_ERR(cpts->refclk));
 		return ERR_CAST(cpts->refclk);
 	}