2019-12-04 09:55:06

by Baolin Wang

[permalink] [raw]
Subject: [PATCH 1/3] hwspinlock: sirf: Change to use devm_platform_ioremap_resource()

Use the new helper that wraps the calls to platform_get_resource()
and devm_ioremap_resource() together, which can simpify the code.

Signed-off-by: Baolin Wang <[email protected]>
---
drivers/hwspinlock/sirf_hwspinlock.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/hwspinlock/sirf_hwspinlock.c b/drivers/hwspinlock/sirf_hwspinlock.c
index 1f625cd..8cb5fd4 100644
--- a/drivers/hwspinlock/sirf_hwspinlock.c
+++ b/drivers/hwspinlock/sirf_hwspinlock.c
@@ -69,9 +69,9 @@ static int sirf_hwspinlock_probe(struct platform_device *pdev)
return -ENOMEM;

/* retrieve io base */
- hwspin->io_base = of_iomap(pdev->dev.of_node, 0);
- if (!hwspin->io_base)
- return -ENOMEM;
+ hwspin->io_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(hwspin->io_base))
+ return PTR_ERR(hwspin->io_base);

for (idx = 0; idx < HW_SPINLOCK_NUMBER; idx++) {
hwlock = &hwspin->bank.lock[idx];
@@ -92,7 +92,6 @@ static int sirf_hwspinlock_probe(struct platform_device *pdev)

reg_failed:
pm_runtime_disable(&pdev->dev);
- iounmap(hwspin->io_base);

return ret;
}
@@ -110,8 +109,6 @@ static int sirf_hwspinlock_remove(struct platform_device *pdev)

pm_runtime_disable(&pdev->dev);

- iounmap(hwspin->io_base);
-
return 0;
}

--
1.7.9.5