i2c-ibm_iic: Register child nodes
This patch completes the conversion of the IBM IIC driver to an
of-platform driver.
It removes the index from the IBM IIC driver and makes it an unnumbered
driver. It then calls of_register_i2c_devices to properly register all
the child nodes in the DTS.
Signed-off-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index 070f078..651f2f1 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -43,6 +43,7 @@
#include <linux/i2c.h>
#include <linux/i2c-id.h>
#include <linux/of_platform.h>
+#include <linux/of_i2c.h>
#include "i2c-ibm_iic.h"
@@ -696,7 +697,7 @@
struct device_node *np = ofdev->node;
struct ibm_iic_private *dev;
struct i2c_adapter *adap;
- const u32 *indexp, *freq;
+ const u32 *freq;
int ret;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
@@ -707,14 +708,6 @@
dev_set_drvdata(&ofdev->dev, dev);
- indexp = of_get_property(np, "index", NULL);
- if (!indexp) {
- dev_err(&ofdev->dev, "no index specified\n");
- ret = -EINVAL;
- goto error_cleanup;
- }
- dev->idx = *indexp;
-
dev->vaddr = of_iomap(np, 0);
if (dev->vaddr == NULL) {
dev_err(&ofdev->dev, "failed to iomap device\n");
@@ -757,14 +750,16 @@
adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
adap->algo = &iic_algo;
adap->timeout = 1;
- adap->nr = dev->idx;
- ret = i2c_add_numbered_adapter(adap);
+ ret = i2c_add_adapter(adap);
if (ret < 0) {
dev_err(&ofdev->dev, "failed to register i2c adapter\n");
goto error_cleanup;
}
+ /* Now register all the child nodes */
+ of_register_i2c_devices(adap, np);
+
dev_info(&ofdev->dev, "using %s mode\n",
dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)");