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clk: ti: dra7-atl-clock: fix child-node lookups 

Fix child node-lookup during probe, which ended up searching the whole
device tree depth-first starting at parent rather than just matching on
its children.

Note that the original premature free of the parent node has already
been fixed separately, but that fix was apparently never backported to
stable.

Fixes: 9ac33b0ce8 ("CLK: TI: Driver for DRA7 ATL (Audio Tracking Logic)")
Fixes: 660e155193 ("clk: ti: dra7-atl-clock: Fix of_node reference counting")
Cc: stable <stable@vger.kernel.org>     # 3.16: 660e155193
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
hifive-unleashed-5.1
Johan Hovold 2017-11-11 17:29:29 +01:00 committed by Stephen Boyd
parent 43a51019cc
commit 33ec6dbc5a
1 changed files with 1 additions and 2 deletions
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3
drivers/clk/ti/clk-dra7-atl.c
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@ -274,8 +274,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev)
/* Get configuration for the ATL instances */
snprintf(prop, sizeof(prop), "atl%u", i);
of_node_get(node);
cfg_node = of_find_node_by_name(node, prop);
cfg_node = of_get_child_by_name(node, prop);
if (cfg_node) {
ret = of_property_read_u32(cfg_node, "bws",
&cdesc->bws);