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author | Samuel Holland <samuel@sholland.org> | 2023-01-21 18:02:51 -0600 |
---|---|---|
committer | Sean Anderson <seanga2@gmail.com> | 2023-02-12 13:44:20 -0500 |
commit | 2050f824e1367cb227d8e13a91c98577987fe413 (patch) | |
tree | bb06ae6e463c3df7b8aed1b2aac2eaa4e4e0d59f /drivers | |
parent | c40251c120fac5a85fb445b6b2c7db5d18792e2a (diff) | |
download | u-boot-2050f824e1367cb227d8e13a91c98577987fe413.zip u-boot-2050f824e1367cb227d8e13a91c98577987fe413.tar.gz u-boot-2050f824e1367cb227d8e13a91c98577987fe413.tar.bz2 |
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 <samuel@sholland.org>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/r/20230122000252.53642-1-samuel@sholland.org
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/clk/clk-uclass.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 2f96355..dc3e9d6 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); |