Index: linux-2.6.15.4/arch/arm/mach-iop3xx/common.c
===================================================================
--- linux-2.6.15.4.orig/arch/arm/mach-iop3xx/common.c
+++ linux-2.6.15.4/arch/arm/mach-iop3xx/common.c
@@ -42,17 +42,20 @@ void ep80219_power_off(void)
 	/* Send the Address byte w/ the start condition */
 	*IOP321_IDBR1 = 0x60;
 	*IOP321_ICR1 = 0xE9;
-    mdelay(1);
+	// Flow control for slow PIC device on EP80219
+	mdelay(2);
 
 	/* Send the START_MSG byte w/ no start or stop condition */
 	*IOP321_IDBR1 = 0x0F;
 	*IOP321_ICR1 = 0xE8;
-    mdelay(1);
+	// Flow control for slow PIC device on EP80219
+	mdelay(2);
 
 	/* Send the SHUTDOWN_COMPLETE Message ID byte w/ no start or stop condition */
 	*IOP321_IDBR1 = 0x03;
 	*IOP321_ICR1 = 0xE8;
-    mdelay(1);
+	// Flow control for slow PIC device on EP80219
+	mdelay(2);
 
 	/* Send an ignored byte w/ stop condition */
 	*IOP321_IDBR1 = 0x00;
Index: linux-2.6.15.4/drivers/i2c/busses/i2c-iop3xx.c
===================================================================
--- linux-2.6.15.4.orig/drivers/i2c/busses/i2c-iop3xx.c
+++ linux-2.6.15.4/drivers/i2c/busses/i2c-iop3xx.c
@@ -14,10 +14,10 @@
  * And which acknowledged Kyösti Mälkki <kmalkki@cc.hut.fi>,
  * Frodo Looijaard <frodol@dds.nl>, Martin Bailey<mbailey@littlefeet-inc.com>
  *
- * Major cleanup by Deepak Saxena <dsaxena@plexity.net>, 01/2005:
+ * Major cleanup by Deepak Saxena <dsaxena@plexity.net>, 12/2004:
  *
  * - Use driver model to pass per-chip info instead of hardcoding and #ifdefs
- * - Use ioremap/__raw_readl/__raw_writel instead of direct dereference
+ * - Use __ioremap/__raw_readl/__raw_writel instead of direct dereference
  * - Make it work with IXP46x chips
  * - Cleanup function names, coding style, etc
  *
@@ -314,8 +314,11 @@ iop3xx_i2c_writebytes(struct i2c_adapter
 	int ii;
 	int rc = 0;
 
-	for (ii = 0; rc == 0 && ii != count; ++ii) 
+	for (ii = 0; rc == 0 && ii != count; ++ii) {
+        // Flow control for slow PIC device on EP80219
+        mdelay(2);
 		rc = iop3xx_i2c_write_byte(iop3xx_adap, buf[ii], ii==count-1);
+	}
 	return rc;
 }
 
@@ -326,9 +329,11 @@ iop3xx_i2c_readbytes(struct i2c_adapter 
 	int ii;
 	int rc = 0;
 
-	for (ii = 0; rc == 0 && ii != count; ++ii)
+	for (ii = 0; rc == 0 && ii != count; ++ii) {
+        // Flow control for slow PIC device on EP80219
+		mdelay(2);
 		rc = iop3xx_i2c_read_byte(iop3xx_adap, &buf[ii], ii==count-1);
-	
+	}
 	return rc;
 }