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hwspinlock: u8500_hsem: Use devm_hwspin_lock_register() to register hwlock controller

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Use devm_hwspin_lock_register() to register the hwlock controller instead of
unregistering the hwlock controller explicitly when removing the device.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Baolin Wang 2019-09-27 16:27:43 +08:00 committed by Bjorn Andersson
parent 637bcd19be
commit acc98c1f2a
1 changed files with 2 additions and 9 deletions
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11
drivers/hwspinlock/u8500_hsem.c
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@ -119,8 +119,8 @@ static int u8500_hsem_probe(struct platform_device *pdev)
/* no pm needed for HSem but required to comply with hwspilock core */
pm_runtime_enable(&pdev->dev);
ret = hwspin_lock_register(bank, &pdev->dev, &u8500_hwspinlock_ops,
pdata->base_id, num_locks);
ret = devm_hwspin_lock_register(&pdev->dev, bank, &u8500_hwspinlock_ops,
pdata->base_id, num_locks);
if (ret) {
pm_runtime_disable(&pdev->dev);
return ret;
@ -133,17 +133,10 @@ static int u8500_hsem_remove(struct platform_device *pdev)
{
struct hwspinlock_device *bank = platform_get_drvdata(pdev);
void __iomem *io_base = bank->lock[0].priv - HSEM_REGISTER_OFFSET;
int ret;
/* clear all interrupts */
writel(0xFFFF, io_base + HSEM_ICRALL);
ret = hwspin_lock_unregister(bank);
if (ret) {
dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
return ret;
}
pm_runtime_disable(&pdev->dev);
return 0;