Author: jhibbits
Date: Sat Jul 7 01:58:40 2018
New Revision: 336056
URL: https://svnweb.freebsd.org/changeset/base/336056
Log:
Let ofw_iicbus work its magic on OPAL i2c buses.
ofw_iicbus already has attachments on iichb. Rather than adding an explicit
attachment onto opal_i2c, simply change the exposed name of the OPAL i2c bus
to 'iichb'.
Modified:
head/sys/powerpc/powernv/opal_i2c.c
Modified: head/sys/powerpc/powernv/opal_i2c.c
==============================================================================
--- head/sys/powerpc/powernv/opal_i2c.c Sat Jul 7 01:54:45 2018
(r336055)
+++ head/sys/powerpc/powernv/opal_i2c.c Sat Jul 7 01:58:40 2018
(r336056)
@@ -90,6 +90,7 @@ static int opal_i2c_callback(device_t, int, caddr_t);
static int opal_i2c_probe(device_t);
static int opal_i2c_transfer(device_t, struct iic_msg *, uint32_t);
static int i2c_opal_send_request(uint32_t, struct opal_i2c_request *);
+static phandle_t opal_i2c_get_node(device_t bus, device_t dev);
static device_method_t opal_i2c_methods[] = {
/* Device interface */
@@ -99,6 +100,7 @@ static device_method_t opal_i2c_methods[] = {
/* iicbus interface */
DEVMETHOD(iicbus_callback, opal_i2c_callback),
DEVMETHOD(iicbus_transfer, opal_i2c_transfer),
+ DEVMETHOD(ofw_bus_get_node, opal_i2c_get_node),
DEVMETHOD_END
};
@@ -111,7 +113,7 @@ static device_method_t opal_i2c_methods[] = {
static devclass_t opal_i2c_devclass;
static driver_t opal_i2c_driver = {
- "i2c",
+ "iichb",
opal_i2c_methods,
sizeof(struct opal_i2c_softc),
};
@@ -244,6 +246,14 @@ opal_i2c_callback(device_t dev, int index, caddr_t dat
}
return (error);
+}
+
+static phandle_t
+opal_i2c_get_node(device_t bus, device_t dev)
+{
+
+ /* Share controller node with iibus device. */
+ return (ofw_bus_get_node(bus));
}
DRIVER_MODULE(opal_i2c, opal_i2cm, opal_i2c_driver, opal_i2c_devclass, NULL,
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