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path: root/drivers/clk/hisilicon/reset.c
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Diffstat (limited to 'drivers/clk/hisilicon/reset.c')
-rw-r--r--drivers/clk/hisilicon/reset.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/clk/hisilicon/reset.c b/drivers/clk/hisilicon/reset.c
index 6aa49c2204d0..2a5015c736ce 100644
--- a/drivers/clk/hisilicon/reset.c
+++ b/drivers/clk/hisilicon/reset.c
@@ -19,6 +19,7 @@
19 19
20#include <linux/io.h> 20#include <linux/io.h>
21#include <linux/of_address.h> 21#include <linux/of_address.h>
22#include <linux/platform_device.h>
22#include <linux/reset-controller.h> 23#include <linux/reset-controller.h>
23#include <linux/slab.h> 24#include <linux/slab.h>
24#include <linux/spinlock.h> 25#include <linux/spinlock.h>
@@ -98,25 +99,25 @@ static const struct reset_control_ops hisi_reset_ops = {
98 .deassert = hisi_reset_deassert, 99 .deassert = hisi_reset_deassert,
99}; 100};
100 101
101struct hisi_reset_controller *hisi_reset_init(struct device_node *np) 102struct hisi_reset_controller *hisi_reset_init(struct platform_device *pdev)
102{ 103{
103 struct hisi_reset_controller *rstc; 104 struct hisi_reset_controller *rstc;
105 struct resource *res;
104 106
105 rstc = kzalloc(sizeof(*rstc), GFP_KERNEL); 107 rstc = devm_kmalloc(&pdev->dev, sizeof(*rstc), GFP_KERNEL);
106 if (!rstc) 108 if (!rstc)
107 return NULL; 109 return NULL;
108 110
109 rstc->membase = of_iomap(np, 0); 111 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
110 if (!rstc->membase) { 112 rstc->membase = devm_ioremap(&pdev->dev,
111 kfree(rstc); 113 res->start, resource_size(res));
114 if (!rstc->membase)
112 return NULL; 115 return NULL;
113 }
114 116
115 spin_lock_init(&rstc->lock); 117 spin_lock_init(&rstc->lock);
116
117 rstc->rcdev.owner = THIS_MODULE; 118 rstc->rcdev.owner = THIS_MODULE;
118 rstc->rcdev.ops = &hisi_reset_ops; 119 rstc->rcdev.ops = &hisi_reset_ops;
119 rstc->rcdev.of_node = np; 120 rstc->rcdev.of_node = pdev->dev.of_node;
120 rstc->rcdev.of_reset_n_cells = 2; 121 rstc->rcdev.of_reset_n_cells = 2;
121 rstc->rcdev.of_xlate = hisi_reset_of_xlate; 122 rstc->rcdev.of_xlate = hisi_reset_of_xlate;
122 reset_controller_register(&rstc->rcdev); 123 reset_controller_register(&rstc->rcdev);
@@ -128,7 +129,5 @@ EXPORT_SYMBOL_GPL(hisi_reset_init);
128void hisi_reset_exit(struct hisi_reset_controller *rstc) 129void hisi_reset_exit(struct hisi_reset_controller *rstc)
129{ 130{
130 reset_controller_unregister(&rstc->rcdev); 131 reset_controller_unregister(&rstc->rcdev);
131 iounmap(rstc->membase);
132 kfree(rstc);
133} 132}
134EXPORT_SYMBOL_GPL(hisi_reset_exit); 133EXPORT_SYMBOL_GPL(hisi_reset_exit);