重命名 AX88772C_eeprom/asix.c 为 asix_mac.c

hc

2024-09-20 a36159eec6ca17402b0e146b86efaf76568dc353

 kernel/drivers/clk/imx/clk-composite-8m.c
..
..
@@ -97,7 +97,7 @@
97
97
 	int prediv_value;
98
98
 	int div_value;
99
99
 	int ret;
100
-	u32 val;
100
+	u32 orig, val;
101
101
 
102
102
 	ret = imx8m_clk_composite_compute_dividers(rate, parent_rate,
103
103
 						&prediv_value, &div_value);
..
..
@@ -106,13 +106,15 @@
106
106
 
107
107
 	spin_lock_irqsave(divider->lock, flags);
108
108
 
109
-	val = readl(divider->reg);
110
-	val &= ~((clk_div_mask(divider->width) << divider->shift) |
111
-			(clk_div_mask(PCG_DIV_WIDTH) << PCG_DIV_SHIFT));
109
+	orig = readl(divider->reg);
110
+	val = orig & ~((clk_div_mask(divider->width) << divider->shift) |
111
+		       (clk_div_mask(PCG_DIV_WIDTH) << PCG_DIV_SHIFT));
112
112
 
113
113
 	val |= (u32)(prediv_value  - 1) << divider->shift;
114
114
 	val |= (u32)(div_value - 1) << PCG_DIV_SHIFT;
115
-	writel(val, divider->reg);
115
+
116
+	if (val != orig)
117
+		writel(val, divider->reg);
116
118
 
117
119
 	spin_unlock_irqrestore(divider->lock, flags);
118
120