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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/clk/mmp/clk-frac.c
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@@ -28,13 +28,15 @@
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 		unsigned long *prate)
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 {
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 	struct mmp_clk_factor *factor = to_clk_factor(hw);
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-	unsigned long rate = 0, prev_rate;
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+	u64 rate = 0, prev_rate;
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 	int i;
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 	for (i = 0; i < factor->ftbl_cnt; i++) {
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 		prev_rate = rate;
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-		rate = (((*prate / 10000) * factor->ftbl[i].den) /
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-			(factor->ftbl[i].num * factor->masks->factor)) * 10000;
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+		rate = *prate;
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+		rate *= factor->ftbl[i].den;
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+		do_div(rate, factor->ftbl[i].num * factor->masks->factor);
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+
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 		if (rate > drate)
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 			break;
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 	}
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@@ -54,6 +56,7 @@
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 	struct mmp_clk_factor *factor = to_clk_factor(hw);
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 	struct mmp_clk_factor_masks *masks = factor->masks;
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 	unsigned int val, num, den;
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+	u64 rate;
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 	val = readl_relaxed(factor->base);
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@@ -66,8 +69,11 @@
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 	if (!den)
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 		return 0;
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-	return (((parent_rate / 10000)  * den) /
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-			(num * factor->masks->factor)) * 10000;
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+	rate = parent_rate;
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+	rate *= den;
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+	do_div(rate, num * factor->masks->factor);
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+
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+	return rate;
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 }
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 /* Configures new clock rate*/
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@@ -78,13 +84,14 @@
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 	struct mmp_clk_factor_masks *masks = factor->masks;
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 	int i;
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 	unsigned long val;
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-	unsigned long prev_rate, rate = 0;
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 	unsigned long flags = 0;
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+	u64 rate = 0;
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 	for (i = 0; i < factor->ftbl_cnt; i++) {
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-		prev_rate = rate;
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-		rate = (((prate / 10000) * factor->ftbl[i].den) /
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-			(factor->ftbl[i].num * factor->masks->factor)) * 10000;
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+		rate = prate;
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+		rate *= factor->ftbl[i].den;
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+		do_div(rate, factor->ftbl[i].num * factor->masks->factor);
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+
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 		if (rate > drate)
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 			break;
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 	}
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@@ -110,7 +117,7 @@
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 	return 0;
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 }
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-static void clk_factor_init(struct clk_hw *hw)
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+static int clk_factor_init(struct clk_hw *hw)
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 {
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 	struct mmp_clk_factor *factor = to_clk_factor(hw);
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 	struct mmp_clk_factor_masks *masks = factor->masks;
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@@ -141,12 +148,17 @@
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 		val &= ~(masks->den_mask << masks->den_shift);
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 		val |= (factor->ftbl[0].den & masks->den_mask) <<
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 			masks->den_shift;
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+	}
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+	if (!(val & masks->enable_mask) || i >= factor->ftbl_cnt) {
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+		val |= masks->enable_mask;
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 		writel(val, factor->base);
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 	}
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 	if (factor->lock)
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 		spin_unlock_irqrestore(factor->lock, flags);
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+
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+	return 0;
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 }
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 static const struct clk_ops clk_factor_ops = {
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@@ -163,7 +175,7 @@
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 		unsigned int ftbl_cnt, spinlock_t *lock)
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 {
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 	struct mmp_clk_factor *factor;
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-	struct clk_init_data init = {};
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+	struct clk_init_data init;
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 	struct clk *clk;
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 	if (!masks) {