mmc: sdhci-sprd: Fix the limitation of div

Because the bit field size of the divider coefficient register is 1023, it is
limited before returning the value.

Signed-off-by: Wenchao Chen <wenchao.chen@unisoc.com>
Link: https://lore.kernel.org/r/20220914063702.20283-1-wenchao.chen666@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-sprd.c

@@ -205,14 +205,14 @@ static inline u32 sdhci_sprd_calc_div(u32 base_clk, u32 clk)
 	if ((base_clk / div) > (clk * 2))
 		div++;
 
-	if (div > SDHCI_SPRD_CLK_MAX_DIV)
-		div = SDHCI_SPRD_CLK_MAX_DIV;
-
 	if (div % 2)
 		div = (div + 1) / 2;
 	else
 		div = div / 2;
 
+	if (div > SDHCI_SPRD_CLK_MAX_DIV)
+		div = SDHCI_SPRD_CLK_MAX_DIV;
+
 	return div;
 }