clk: bcm2835: Switch to clk_divider.determine_rate

.determine_rate is meant to replace .round_rate in CCF in the future.
Switch over to .determine_rate now that clk_divider_ops has gained
support for that.

Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-rpi-kernel@lists.infradead.org
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20210702225145.2643303-4-martin.blumenstingl@googlemail.com
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: xdarklight

drivers/clk/bcm/clk-bcm2835.c

@@ -805,11 +805,10 @@ static int bcm2835_pll_divider_is_on(struct clk_hw *hw)
 	return !(cprman_read(cprman, data->a2w_reg) & A2W_PLL_CHANNEL_DISABLE);
 }
 
-static long bcm2835_pll_divider_round_rate(struct clk_hw *hw,
-					   unsigned long rate,
-					   unsigned long *parent_rate)
+static int bcm2835_pll_divider_determine_rate(struct clk_hw *hw,
+					      struct clk_rate_request *req)
 {
-	return clk_divider_ops.round_rate(hw, rate, parent_rate);
+	return clk_divider_ops.determine_rate(hw, req);
 }
 
 static unsigned long bcm2835_pll_divider_get_rate(struct clk_hw *hw,
@@ -901,7 +900,7 @@ static const struct clk_ops bcm2835_pll_divider_clk_ops = {
 	.unprepare = bcm2835_pll_divider_off,
 	.recalc_rate = bcm2835_pll_divider_get_rate,
 	.set_rate = bcm2835_pll_divider_set_rate,
-	.round_rate = bcm2835_pll_divider_round_rate,
+	.determine_rate = bcm2835_pll_divider_determine_rate,
 	.debug_init = bcm2835_pll_divider_debug_init,
 };