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clk: bcm: kona: Stop defaulting to parent index 0 on error

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Stop defaulting to 0 on BAD_CLK_INDEX (U8_MAX). Passing the out-of-bounds
index directly allows the clk core to fail gracefully during parent
lookup.

Link: https://lore.kernel.org/lkml/177431305509.5403.15386021337517970667@lazor/
Signed-off-by: Yu-Chun Lin <eleanor.lin@realtek.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
This commit is contained in:
Yu-Chun Lin 2026-05-31 21:18:25 +08:00 committed by Brian Masney
parent d4d0d335e8
commit 483932d86b
1 changed files with 1 additions and 2 deletions
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3
drivers/clk/bcm/clk-kona.c
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@ -1098,8 +1098,7 @@ static u8 kona_peri_clk_get_parent(struct clk_hw *hw)
index = selector_read_index(bcm_clk->ccu, &data->sel);
/* Not all callers would handle an out-of-range value gracefully */
return index == BAD_CLK_INDEX ? 0 : index;
return index;
}
static int kona_peri_clk_set_rate(struct clk_hw *hw, unsigned long rate,