* - Make it work with IXP46x chips
* - Cleanup function names, coding style, etc
*
- * - writing to slave address causes latchup on iop331.
- * fix: driver refuses to address self.
- *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2.
*/
+#include <linux/config.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
__raw_writel(0, iop3xx_adap->ioaddr + CR_OFFSET);
}
+static void
+iop3xx_i2c_set_slave_addr(struct i2c_algo_iop3xx_data *iop3xx_adap)
+{
+ __raw_writel(MYSAR, iop3xx_adap->ioaddr + SAR_OFFSET);
+}
+
static void
iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
{
int status;
int rc;
- /* avoid writing to my slave address (hangs on 80331),
- * forbidden in Intel developer manual
- */
- if (msg->addr == MYSAR) {
- return -EBUSY;
- }
-
__raw_writel(iic_cook_addr(msg), iop3xx_adap->ioaddr + DBR_OFFSET);
cr &= ~(IOP3XX_ICR_MSTOP | IOP3XX_ICR_NACK);
spin_lock_init(&adapter_data->lock);
iop3xx_i2c_reset(adapter_data);
+ iop3xx_i2c_set_slave_addr(adapter_data);
iop3xx_i2c_enable(adapter_data);
platform_set_drvdata(pdev, new_adapter);