From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/drivers/hwspinlock/rockchip_hwspinlock.c | 54 ++++++++----------------------------------------------
1 files changed, 8 insertions(+), 46 deletions(-)
diff --git a/kernel/drivers/hwspinlock/rockchip_hwspinlock.c b/kernel/drivers/hwspinlock/rockchip_hwspinlock.c
index 2d62aff..26ba8ec 100644
--- a/kernel/drivers/hwspinlock/rockchip_hwspinlock.c
+++ b/kernel/drivers/hwspinlock/rockchip_hwspinlock.c
@@ -5,13 +5,10 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/io.h>
-#include <linux/pm_runtime.h>
#include <linux/slab.h>
-#include <linux/spinlock.h>
#include <linux/hwspinlock.h>
#include <linux/platform_device.h>
#include <linux/of.h>
-#include <linux/of_address.h>
#include "hwspinlock_internal.h"
@@ -59,19 +56,15 @@
{
struct rockchip_hwspinlock *hwspin;
struct hwspinlock *hwlock;
- struct resource *res;
- int idx, ret;
+ int idx;
- if (!pdev->dev.of_node)
- return -ENODEV;
-
- hwspin = devm_kzalloc(&pdev->dev, sizeof(*hwspin) +
- sizeof(*hwlock) * HWSPINLOCK_NUMBER, GFP_KERNEL);
+ hwspin = devm_kzalloc(&pdev->dev,
+ struct_size(hwspin, bank.lock, HWSPINLOCK_NUMBER),
+ GFP_KERNEL);
if (!hwspin)
return -ENOMEM;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hwspin->io_base = devm_ioremap_resource(&pdev->dev, res);
+ hwspin->io_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(hwspin->io_base))
return PTR_ERR(hwspin->io_base);
@@ -82,39 +75,9 @@
platform_set_drvdata(pdev, hwspin);
- pm_runtime_enable(&pdev->dev);
-
- ret = hwspin_lock_register(&hwspin->bank, &pdev->dev,
- &rockchip_hwspinlock_ops, 0,
- HWSPINLOCK_NUMBER);
- if (ret)
- goto reg_fail;
-
- return 0;
-
-reg_fail:
- pm_runtime_disable(&pdev->dev);
- iounmap(hwspin->io_base);
-
- return ret;
-}
-
-static int rockchip_hwspinlock_remove(struct platform_device *pdev)
-{
- struct rockchip_hwspinlock *hwspin = platform_get_drvdata(pdev);
- int ret;
-
- ret = hwspin_lock_unregister(&hwspin->bank);
- if (ret) {
- dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
- return ret;
- }
-
- pm_runtime_disable(&pdev->dev);
-
- iounmap(hwspin->io_base);
-
- return 0;
+ return devm_hwspin_lock_register(&pdev->dev, &hwspin->bank,
+ &rockchip_hwspinlock_ops, 0,
+ HWSPINLOCK_NUMBER);
}
static const struct of_device_id rockchip_hwpinlock_ids[] = {
@@ -125,7 +88,6 @@
static struct platform_driver rockchip_hwspinlock_driver = {
.probe = rockchip_hwspinlock_probe,
- .remove = rockchip_hwspinlock_remove,
.driver = {
.name = "rockchip_hwspinlock",
.of_match_table = of_match_ptr(rockchip_hwpinlock_ids),
--
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