Add clk_request handler to check if a valid clock is requested, Here clk_free handler is added for debug purpose which will display details of clock passed to clk_free.
Signed-off-by: Sagar Shrikant Kadam sagar.kadam@sifive.com --- drivers/clk/sifive/fu540-prci.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/drivers/clk/sifive/fu540-prci.c b/drivers/clk/sifive/fu540-prci.c index 67e21b6..bf50ea2 100644 --- a/drivers/clk/sifive/fu540-prci.c +++ b/drivers/clk/sifive/fu540-prci.c @@ -581,6 +581,25 @@ static ulong sifive_fu540_prci_set_rate(struct clk *clk, ulong rate) return rate; }
+static int sifive_fu540_prci_clk_request(struct clk *clk) +{ + debug("%s(clk=%p) (dev=%p, id=%lu)\n", __func__, clk, clk->dev, + clk->id); + + if (clk->id >= ARRAY_SIZE(__prci_init_clocks)) + return -EINVAL; + + return 0; +} + +static int sifive_fu540_prci_clk_free(struct clk *clk) +{ + debug("%s(clk=%p) (dev=%p, id=%lu)\n", __func__, clk, clk->dev, + clk->id); + + return 0; +} + static int sifive_fu540_prci_probe(struct udevice *dev) { int i, err; @@ -612,6 +631,8 @@ static int sifive_fu540_prci_probe(struct udevice *dev) static struct clk_ops sifive_fu540_prci_ops = { .set_rate = sifive_fu540_prci_set_rate, .get_rate = sifive_fu540_prci_get_rate, + .request = sifive_fu540_prci_clk_request, + .rfree = sifive_fu540_prci_clk_free, };
static const struct udevice_id sifive_fu540_prci_ids[] = {