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>
---
drivers/clk/bcm/clk-kona.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/clk/bcm/clk-kona.c b/drivers/clk/bcm/clk-kona.c
index 0171e6b2bfca..d6f5872d7d6a 100644
--- a/drivers/clk/bcm/clk-kona.c
+++ b/drivers/clk/bcm/clk-kona.c
@@ -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,
--
2.49.0