[PATCH 3/4] hwspinlock: omap: Use devm_hwspin_lock_register() helper

From: Andrew Davis
Date: Tue Jan 23 2024 - 11:04:38 EST


This unregister the HW spinlock on module exit, allowing us to
remove the remove callback. Do this here.

Signed-off-by: Andrew Davis <afd@xxxxxx>
---
drivers/hwspinlock/omap_hwspinlock.c | 17 +----------------
1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c
index 2f18ea6c05e3f..1b0a1bea2b24a 100644
--- a/drivers/hwspinlock/omap_hwspinlock.c
+++ b/drivers/hwspinlock/omap_hwspinlock.c
@@ -117,12 +117,10 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
if (!bank)
return -ENOMEM;

- platform_set_drvdata(pdev, bank);
-
for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++)
hwlock->priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i;

- ret = hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops,
+ ret = devm_hwspin_lock_register(&pdev->dev, bank, &omap_hwspinlock_ops,
base_id, num_locks);
if (ret)
return ret;
@@ -133,18 +131,6 @@ static int omap_hwspinlock_probe(struct platform_device *pdev)
return 0;
}

-static void omap_hwspinlock_remove(struct platform_device *pdev)
-{
- struct hwspinlock_device *bank = platform_get_drvdata(pdev);
- int ret;
-
- ret = hwspin_lock_unregister(bank);
- if (ret) {
- dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
- return;
- }
-}
-
static const struct of_device_id omap_hwspinlock_of_match[] = {
{ .compatible = "ti,omap4-hwspinlock", },
{ .compatible = "ti,am64-hwspinlock", },
@@ -155,7 +141,6 @@ MODULE_DEVICE_TABLE(of, omap_hwspinlock_of_match);

static struct platform_driver omap_hwspinlock_driver = {
.probe = omap_hwspinlock_probe,
- .remove_new = omap_hwspinlock_remove,
.driver = {
.name = "omap_hwspinlock",
.of_match_table = omap_hwspinlock_of_match,
--
2.39.2