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path: root/target/linux/ar71xx/patches-4.4/631-MIPS-ath79-wmac-enable-set-led-pin.patch

	Commit message (Expand)	Author	Age	Files	Lines
*	ar71xx: add support for linux 4.4	Felix Fietkau	2016-01-30	1	-0/+24

generated by cgit v1.2.3 (git 2.25.1) at 2024-07-19 11:48:48 +0000

--- a/arch/mips/ath79/dev-wmac.c
+++ b/arch/mips/ath79/dev-wmac.c
@@ -62,10 +62,27 @@ static void __init ar913x_wmac_setup(voi
 
 static int ar933x_wmac_reset(void)
 {
+	int retries = 20;
+
 	ath79_device_reset_set(AR933X_RESET_WMAC);
 	ath79_device_reset_clear(AR933X_RESET_WMAC);
 
-	return 0;
+	while (1) {
+		u32 bootstrap;
+
+		bootstrap = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
+		if ((bootstrap & AR933X_BOOTSTRAP_EEPBUSY) == 0)
+			return 0;
+
+		if (retries-- == 0)
+			break;
+
+		udelay(10000);
+		retries++;
+	}
+
+	pr_err("ar933x: WMAC reset timed out");
+	return -ETIMEDOUT;
 }
 
 static int ar933x_r1_get_wmac_revision(void)