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net: ethernet: ti: cpts: use devm_get_clk_from_child

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Grygorii Strashko 2019-06-06 19:30:39 +03:00 • committed by David S. Miller
parent 12775af505
commit 8a6389a515
1 changed files with 7 additions and 2 deletions
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9
drivers/net/ethernet/ti/cpts.c
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@ -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);
}