summaryrefslogtreecommitdiff
path: root/target/linux/ar71xx/patches-4.4/504-MIPS-ath79-add-ath79_device_reset_get.patch
blob: 38d426e0145ba85b9797b00021b809d99d38ce47 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
--- a/arch/mips/include/asm/mach-ath79/ath79.h
+++ b/arch/mips/include/asm/mach-ath79/ath79.h
@@ -144,6 +144,7 @@ static inline u32 ath79_reset_rr(unsigne
 
 void ath79_device_reset_set(u32 mask);
 void ath79_device_reset_clear(u32 mask);
+u32 ath79_device_reset_get(u32 mask);
 
 void ath79_flash_acquire(void);
 void ath79_flash_release(void);
--- a/arch/mips/ath79/common.c
+++ b/arch/mips/ath79/common.c
@@ -144,6 +144,32 @@ void ath79_device_reset_clear(u32 mask)
 }
 EXPORT_SYMBOL_GPL(ath79_device_reset_clear);
 
+u32 ath79_device_reset_get(u32 mask)
+{
+	unsigned long flags;
+	u32 reg;
+	u32 ret;
+
+	if (soc_is_ar71xx())
+		reg = AR71XX_RESET_REG_RESET_MODULE;
+	else if (soc_is_ar724x())
+		reg = AR724X_RESET_REG_RESET_MODULE;
+	else if (soc_is_ar913x())
+		reg = AR913X_RESET_REG_RESET_MODULE;
+	else if (soc_is_ar933x())
+		reg = AR933X_RESET_REG_RESET_MODULE;
+	else if (soc_is_ar934x())
+		reg = AR934X_RESET_REG_RESET_MODULE;
+	else
+		BUG();
+
+	spin_lock_irqsave(&ath79_device_reset_lock, flags);
+	ret = ath79_reset_rr(reg);
+	spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(ath79_device_reset_get);
+
 void ath79_flash_acquire(void)
 {
 	mutex_lock(&ath79_flash_mutex);