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sys/compat/linuxkpi/common/src/linux_i2c.c
| Show First 20 Lines • Show All 215 Lines • ▼ Show 20 Lines | lkpi_i2c_add_adapter(struct i2c_adapter *adapter) | ||||
| sx_xlock(&lkpi_sx_i2c); | sx_xlock(&lkpi_sx_i2c); | ||||
| lkpi_iic = device_add_child(adapter->dev.parent->bsddev, "lkpi_iic", -1); | lkpi_iic = device_add_child(adapter->dev.parent->bsddev, "lkpi_iic", -1); | ||||
| if (lkpi_iic == NULL) { | if (lkpi_iic == NULL) { | ||||
| device_printf(adapter->dev.parent->bsddev, "Couldn't add lkpi_iic\n"); | device_printf(adapter->dev.parent->bsddev, "Couldn't add lkpi_iic\n"); | ||||
| sx_xunlock(&lkpi_sx_i2c); | sx_xunlock(&lkpi_sx_i2c); | ||||
| return (ENXIO); | return (ENXIO); | ||||
| } | } | ||||
| bus_topo_lock(); | |||||
| error = bus_generic_attach(adapter->dev.parent->bsddev); | error = bus_generic_attach(adapter->dev.parent->bsddev); | ||||
| bus_topo_unlock(); | |||||
| if (error) { | if (error) { | ||||
| device_printf(adapter->dev.parent->bsddev, | device_printf(adapter->dev.parent->bsddev, | ||||
| "failed to attach child: error %d\n", error); | "failed to attach child: error %d\n", error); | ||||
| sx_xunlock(&lkpi_sx_i2c); | sx_xunlock(&lkpi_sx_i2c); | ||||
| return (ENXIO); | return (ENXIO); | ||||
| } | } | ||||
| LKPI_IIC_ADD_ADAPTER(lkpi_iic, adapter); | LKPI_IIC_ADD_ADAPTER(lkpi_iic, adapter); | ||||
| sx_xunlock(&lkpi_sx_i2c); | sx_xunlock(&lkpi_sx_i2c); | ||||
| Show All 11 Lines | lkpi_i2c_del_adapter(struct i2c_adapter *adapter) | ||||
| if (bootverbose) | if (bootverbose) | ||||
| device_printf(adapter->dev.parent->bsddev, | device_printf(adapter->dev.parent->bsddev, | ||||
| "Removing i2c adapter %s\n", adapter->name); | "Removing i2c adapter %s\n", adapter->name); | ||||
| sx_xlock(&lkpi_sx_i2c); | sx_xlock(&lkpi_sx_i2c); | ||||
| unit = 0; | unit = 0; | ||||
| while ((child = device_find_child(adapter->dev.parent->bsddev, "lkpi_iic", unit++)) != NULL) { | while ((child = device_find_child(adapter->dev.parent->bsddev, "lkpi_iic", unit++)) != NULL) { | ||||
| if (adapter == LKPI_IIC_GET_ADAPTER(child)) { | if (adapter == LKPI_IIC_GET_ADAPTER(child)) { | ||||
| bus_topo_lock(); | |||||
| device_delete_child(adapter->dev.parent->bsddev, child); | device_delete_child(adapter->dev.parent->bsddev, child); | ||||
| bus_topo_unlock(); | |||||
| rv = 0; | rv = 0; | ||||
| goto out; | goto out; | ||||
| } | } | ||||
| } | } | ||||
| unit = 0; | unit = 0; | ||||
| while ((child = device_find_child(adapter->dev.parent->bsddev, "lkpi_iicbb", unit++)) != NULL) { | while ((child = device_find_child(adapter->dev.parent->bsddev, "lkpi_iicbb", unit++)) != NULL) { | ||||
| if (adapter == LKPI_IIC_GET_ADAPTER(child)) { | if (adapter == LKPI_IIC_GET_ADAPTER(child)) { | ||||
| bus_topo_lock(); | |||||
| device_delete_child(adapter->dev.parent->bsddev, child); | device_delete_child(adapter->dev.parent->bsddev, child); | ||||
| bus_topo_unlock(); | |||||
| rv = 0; | rv = 0; | ||||
| goto out; | goto out; | ||||
| } | } | ||||
| } | } | ||||
| rv = -EINVAL; | rv = -EINVAL; | ||||
| out: | out: | ||||
| sx_xunlock(&lkpi_sx_i2c); | sx_xunlock(&lkpi_sx_i2c); | ||||
| return (rv); | return (rv); | ||||
| } | } | ||||