diff options
| author |   Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2019-01-14 13:44:48 +0000 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 13:34:35 +0100 |
| commit | 380c62466d024cd478adef4a3cb6ad2091a8af15 (patch) | |
| tree | 930603a4b689644dd1f2f71636068d6d53eba16d /drivers/slimbus/core.c | |
| parent | slimbus: core: do not call device_status under a lock (diff) | |
| download | linux-dev-380c62466d024cd478adef4a3cb6ad2091a8af15.tar.xz linux-dev-380c62466d024cd478adef4a3cb6ad2091a8af15.zip | |
slimbus: core: use slim_device_update_status() to update status
use slim_device_update_status() instead of directly calling
the device_status() callback. Move slim_device_update_status() before
probe to avoid forward declaration too.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/slimbus/core.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c index 1ba08b5f2e78..8ffdc9876223 100644 --- a/drivers/slimbus/core.c +++ b/drivers/slimbus/core.c @@ -42,6 +42,23 @@ static int slim_device_match(struct device *dev, struct device_driver *drv) return !!slim_match(sbdrv->id_table, sbdev); } +static void slim_device_update_status(struct slim_device *sbdev, + enum slim_device_status status) +{ + struct slim_driver *sbdrv; + + if (sbdev->status == status) + return; + + sbdev->status = status; + if (!sbdev->dev.driver) + return; + + sbdrv = to_slim_driver(sbdev->dev.driver); + if (sbdrv->device_status) + sbdrv->device_status(sbdev, sbdev->status); +} + static int slim_device_probe(struct device *dev) { struct slim_device *sbdev = to_slim_device(dev); @@ -55,8 +72,7 @@ static int slim_device_probe(struct device *dev) /* try getting the logical address after probe */ ret = slim_get_logical_addr(sbdev); if (!ret) { - if (sbdrv->device_status) - sbdrv->device_status(sbdev, sbdev->status); + slim_device_update_status(sbdev, SLIM_DEVICE_STATUS_UP); } else { dev_err(&sbdev->dev, "Failed to get logical address\n"); ret = -EPROBE_DEFER; @@ -297,23 +313,6 @@ int slim_unregister_controller(struct slim_controller *ctrl) } EXPORT_SYMBOL_GPL(slim_unregister_controller); -static void slim_device_update_status(struct slim_device *sbdev, - enum slim_device_status status) -{ - struct slim_driver *sbdrv; - - if (sbdev->status == status) - return; - - sbdev->status = status; - if (!sbdev->dev.driver) - return; - - sbdrv = to_slim_driver(sbdev->dev.driver); - if (sbdrv->device_status) - sbdrv->device_status(sbdev, sbdev->status); -} - /** * slim_report_absent() - Controller calls this function when a device * reports absent, OR when the device cannot be communicated with |