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hwspinlock: u8500_hsem: Remove redundant PM runtime implementation

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Since the hwspinlock core has changed the PM runtime to be optional, thus
remove the redundant PM runtime implementation in the u8500 HWSEM driver.

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 2019-10-14 15:07:46 +08:00 committed by Bjorn Andersson
parent 4d0c1c5732
commit 9d399f0c52
1 changed files with 4 additions and 15 deletions
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19
drivers/hwspinlock/u8500_hsem.c
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@ -16,7 +16,6 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/hwspinlock.h>
@ -89,7 +88,7 @@ static int u8500_hsem_probe(struct platform_device *pdev)
struct hwspinlock_device *bank;
struct hwspinlock *hwlock;
void __iomem *io_base;
int i, ret, num_locks = U8500_MAX_SEMAPHORE;
int i, num_locks = U8500_MAX_SEMAPHORE;
ulong val;
if (!pdata)
@ -116,17 +115,9 @@ static int u8500_hsem_probe(struct platform_device *pdev)
for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++)
hwlock->priv = io_base + HSEM_REGISTER_OFFSET + sizeof(u32) * i;
/* no pm needed for HSem but required to comply with hwspilock core */
pm_runtime_enable(&pdev->dev);
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;
}
return 0;
return devm_hwspin_lock_register(&pdev->dev, bank,
&u8500_hwspinlock_ops,
pdata->base_id, num_locks);
}
static int u8500_hsem_remove(struct platform_device *pdev)
@ -137,8 +128,6 @@ static int u8500_hsem_remove(struct platform_device *pdev)
/* clear all interrupts */
writel(0xFFFF, io_base + HSEM_ICRALL);
pm_runtime_disable(&pdev->dev);
return 0;
}