From 2050f824e1367cb227d8e13a91c98577987fe413 Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Sat, 21 Jan 2023 18:02:51 -0600 Subject: clk: Allow clk_get_by_name() with NULL name This allows devm_clock_get(dev, NULL) to work and get the first clock, which is common in code ported from Linux. Signed-off-by: Samuel Holland Reviewed-by: Sean Anderson Reviewed-by: Simon Glass Link: https://lore.kernel.org/r/20230122000252.53642-1-samuel@sholland.org --- drivers/clk/clk-uclass.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/clk/clk-uclass.c') diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 2f9635524cf..dc3e9d6a261 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -399,16 +399,18 @@ int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk) int clk_get_by_name_nodev(ofnode node, const char *name, struct clk *clk) { - int index; + int index = 0; debug("%s(node=%p, name=%s, clk=%p)\n", __func__, ofnode_get_name(node), name, clk); clk->dev = NULL; - index = ofnode_stringlist_search(node, "clock-names", name); - if (index < 0) { - debug("fdt_stringlist_search() failed: %d\n", index); - return index; + if (name) { + index = ofnode_stringlist_search(node, "clock-names", name); + if (index < 0) { + debug("fdt_stringlist_search() failed: %d\n", index); + return index; + } } return clk_get_by_index_nodev(node, index, clk); -- cgit v1.2.3