This is a note to let you know that I've just added the patch titled
i3c: Make i3c_master_unregister() return void
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
i3c-make-i3c_master_unregister-return-void.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 27c664c8ed642269e7d28a2cb01b1cbce6594636
Author: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Date: Sun Mar 19 00:33:07 2023 +0100
i3c: Make i3c_master_unregister() return void
[ Upstream commit 0f74f8b6675cc36d689abb4d9b3d75ab4049b7d7 ]
The function returned zero unconditionally. Switch the return type to void
and simplify the callers accordingly.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Reviewed-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230318233311.265186-2-u.kleine-koenig@xxxxxxxxxxxxxx
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Stable-dep-of: 25bc99be5fe5 ("i3c: master: svc: Modify enabled_events bit 7:0 to act as IBI enable counter")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 2263bc066108f..c8aa0d27143cc 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2696,17 +2696,13 @@ EXPORT_SYMBOL_GPL(i3c_master_register);
* @master: master used to send frames on the bus
*
* Basically undo everything done in i3c_master_register().
- *
- * Return: 0 in case of success, a negative error code otherwise.
*/
-int i3c_master_unregister(struct i3c_master_controller *master)
+void i3c_master_unregister(struct i3c_master_controller *master)
{
i3c_master_i2c_adapter_cleanup(master);
i3c_master_unregister_i3c_devs(master);
i3c_master_bus_cleanup(master);
device_unregister(&master->dev);
-
- return 0;
}
EXPORT_SYMBOL_GPL(i3c_master_unregister);
diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
index 51a8608203de7..b72f6dce18b48 100644
--- a/drivers/i3c/master/dw-i3c-master.c
+++ b/drivers/i3c/master/dw-i3c-master.c
@@ -1184,11 +1184,8 @@ static int dw_i3c_probe(struct platform_device *pdev)
static int dw_i3c_remove(struct platform_device *pdev)
{
struct dw_i3c_master *master = platform_get_drvdata(pdev);
- int ret;
- ret = i3c_master_unregister(&master->base);
- if (ret)
- return ret;
+ i3c_master_unregister(&master->base);
reset_control_assert(master->core_rst);
diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c
index b9cfda6ae9ae5..35b90bb686ad3 100644
--- a/drivers/i3c/master/i3c-master-cdns.c
+++ b/drivers/i3c/master/i3c-master-cdns.c
@@ -1666,11 +1666,8 @@ static int cdns_i3c_master_probe(struct platform_device *pdev)
static int cdns_i3c_master_remove(struct platform_device *pdev)
{
struct cdns_i3c_master *master = platform_get_drvdata(pdev);
- int ret;
- ret = i3c_master_unregister(&master->base);
- if (ret)
- return ret;
+ i3c_master_unregister(&master->base);
clk_disable_unprepare(master->sysclk);
clk_disable_unprepare(master->pclk);
diff --git a/drivers/i3c/master/mipi-i3c-hci/core.c b/drivers/i3c/master/mipi-i3c-hci/core.c
index 6aef5ce43cc1f..f9bc58366a721 100644
--- a/drivers/i3c/master/mipi-i3c-hci/core.c
+++ b/drivers/i3c/master/mipi-i3c-hci/core.c
@@ -769,7 +769,9 @@ static int i3c_hci_remove(struct platform_device *pdev)
{
struct i3c_hci *hci = platform_get_drvdata(pdev);
- return i3c_master_unregister(&hci->master);
+ i3c_master_unregister(&hci->master);
+
+ return 0;
}
static const __maybe_unused struct of_device_id i3c_hci_of_match[] = {
diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index eca50705e9ce8..77bb7c0468250 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -1651,11 +1651,8 @@ static int svc_i3c_master_probe(struct platform_device *pdev)
static int svc_i3c_master_remove(struct platform_device *pdev)
{
struct svc_i3c_master *master = platform_get_drvdata(pdev);
- int ret;
- ret = i3c_master_unregister(&master->base);
- if (ret)
- return ret;
+ i3c_master_unregister(&master->base);
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_disable(&pdev->dev);
diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h
index 604a126b78c83..4b7bb43bf4307 100644
--- a/include/linux/i3c/master.h
+++ b/include/linux/i3c/master.h
@@ -541,7 +541,7 @@ int i3c_master_register(struct i3c_master_controller *master,
struct device *parent,
const struct i3c_master_controller_ops *ops,
bool secondary);
-int i3c_master_unregister(struct i3c_master_controller *master);
+void i3c_master_unregister(struct i3c_master_controller *master);
/**
* i3c_dev_get_master_data() - get master private data attached to an I3C
