aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/macintosh
diff options
context:
space:
mode:
authorWolfram Sang <wsa@the-dreams.de>2018-08-21 15:02:39 (GMT)
committerWolfram Sang <wsa@the-dreams.de>2018-08-24 12:42:42 (GMT)
commit3e7bed52719de4b5b5fb900869e293eae0bc3f3e (patch)
tree3686a91c15340fd66bb5709debe6132ae4cd25f6 /drivers/macintosh
parent33e17876ea4edcd7f5c01efa78e8d02889261abf (diff)
macintosh: therm_windtunnel: drop using attach_adapter
As we now have deferred probing, we can use a custom mechanism and finally get rid of the legacy interface from the i2c core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/macintosh')
-rw-r--r--drivers/macintosh/therm_windtunnel.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index 68dcbcb..8c74457 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -432,7 +432,6 @@ static struct i2c_driver g4fan_driver = {
.driver = {
.name = "therm_windtunnel",
},
- .attach_adapter = do_attach,
.probe = do_probe,
.remove = do_remove,
.id_table = therm_windtunnel_id,
@@ -445,7 +444,29 @@ static struct i2c_driver g4fan_driver = {
static int therm_of_probe(struct platform_device *dev)
{
- return i2c_add_driver( &g4fan_driver );
+ struct i2c_adapter *adap;
+ int ret, i = 0;
+
+ adap = i2c_get_adapter(0);
+ if (!adap)
+ return -EPROBE_DEFER;
+
+ ret = i2c_add_driver(&g4fan_driver);
+ if (ret) {
+ i2c_put_adapter(adap);
+ return ret;
+ }
+
+ /* We assume Macs have consecutive I2C bus numbers starting at 0 */
+ while (adap) {
+ do_attach(adap);
+ if (x.running)
+ return 0;
+ i2c_put_adapter(adap);
+ adap = i2c_get_adapter(++i);
+ }
+
+ return -ENODEV;
}
static int

Privacy Policy