X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fi2c%2Fdesignware_i2c.c;h=cb2ac04b609864412a8054888f3420bf35ca0287;hb=30e6d979fa9da56a5badcb981cdddd58638d3375;hp=c2f06627d3e312b52a24c6310927a317d4dd506d;hpb=c2120fbfbc4d1f6953228f86be8bdbf38bacfdab;p=u-boot

diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index c2f06627d3..cb2ac04b60 100644
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -151,7 +151,19 @@ void i2c_init(int speed, int slaveadd)
  */
 static void i2c_setaddress(unsigned int i2c_addr)
 {
+	unsigned int enbl;
+
+	/* Disable i2c */
+	enbl = readl(&i2c_regs_p->ic_enable);
+	enbl &= ~IC_ENABLE_0B;
+	writel(enbl, &i2c_regs_p->ic_enable);
+
 	writel(i2c_addr, &i2c_regs_p->ic_tar);
+
+	/* Enable i2c */
+	enbl = readl(&i2c_regs_p->ic_enable);
+	enbl |= IC_ENABLE_0B;
+	writel(enbl, &i2c_regs_p->ic_enable);
 }
 
 /*
@@ -237,9 +249,6 @@ static int i2c_xfer_finish(void)
 
 	i2c_flush_rxfifo();
 
-	/* Wait for read/write operation to complete on actual memory */
-	udelay(10000);
-
 	return 0;
 }