Author: manu
Date: Sat May 11 15:02:20 2019
New Revision: 347489
URL: https://svnweb.freebsd.org/changeset/base/347489
Log:
allwinner: clk: prediv_mux: Init the current parent
Do not init the first parent but read the clock register to find
it's current parent and init this one.
Modified:
head/sys/arm/allwinner/clkng/aw_clk_prediv_mux.c
Modified: head/sys/arm/allwinner/clkng/aw_clk_prediv_mux.c
==============================================================================
--- head/sys/arm/allwinner/clkng/aw_clk_prediv_mux.c Sat May 11 14:22:21
2019 (r347488)
+++ head/sys/arm/allwinner/clkng/aw_clk_prediv_mux.c Sat May 11 15:02:20
2019 (r347489)
@@ -75,7 +75,19 @@ struct aw_clk_prediv_mux_sc {
static int
aw_clk_prediv_mux_init(struct clknode *clk, device_t dev)
{
- clknode_init_parent_idx(clk, 0);
+ struct aw_clk_prediv_mux_sc *sc;
+ uint32_t val;
+
+ sc = clknode_get_softc(clk);
+
+ DEVICE_LOCK(clk);
+ READ4(clk, sc->offset, &val);
+ DEVICE_UNLOCK(clk);
+
+ /* Init the current parent */
+ val = (val & sc->mux_mask) >> sc->mux_shift;
+ clknode_init_parent_idx(clk, val);
+
return (0);
}
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