clk: fix clk_get_rate() always return ulong

When we call clk_get_rate(), we expect to get clock rate value as
ulong.
In that case we should not use log_ret() macro since it use internally
an int.
Otherwise we may return an invalid/truncated clock rate value.

Signed-off-by: Julien Masson <jmasson@baylibre.com>
Fixes: 5c5992cb90c ("clk: Add debugging for return values")
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/87o7erv9p4.fsf@baylibre.com
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 3e9d68f..d5e2007 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -478,7 +478,6 @@
 ulong clk_get_rate(struct clk *clk)
 {
 	const struct clk_ops *ops;
-	ulong ret;
 
 	debug("%s(clk=%p)\n", __func__, clk);
 	if (!clk_valid(clk))
@@ -488,11 +487,7 @@
 	if (!ops->get_rate)
 		return -ENOSYS;
 
-	ret = ops->get_rate(clk);
-	if (ret)
-		return log_ret(ret);
-
-	return 0;
+	return ops->get_rate(clk);
 }
 
 struct clk *clk_get_parent(struct clk *clk)