clk: zynqmp: make bestdiv unsigned

[ Upstream commit d3954b51b4 ]

Divisor is always positive make it u32 *.
Also the arguments passed are currently of u32 pointers.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Link: https://lore.kernel.org/r/20220818113153.14431-1-shubhrajyoti.datta@amd.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Stable-dep-of: 1fe15be1fb61 ("drivers: clk: zynqmp: update divider round rate logic")
Signed-off-by: Sasha Levin <sashal@kernel.org>

drivers/clk/zynqmp/divider.c

@@ -113,7 +113,7 @@ static unsigned long zynqmp_clk_divider_recalc_rate(struct clk_hw *hw,
 static void zynqmp_get_divider2_val(struct clk_hw *hw,
 				    unsigned long rate,
 				    struct zynqmp_clk_divider *divider,
-				    int *bestdiv)
+				    u32 *bestdiv)
 {
 	int div1;
 	int div2;