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path: root/drivers/soc/litex/litex_soc_ctrl.c
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Diffstat (limited to 'drivers/soc/litex/litex_soc_ctrl.c')
-rw-r--r--drivers/soc/litex/litex_soc_ctrl.c23
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/soc/litex/litex_soc_ctrl.c b/drivers/soc/litex/litex_soc_ctrl.c
index d08bfc8ef7be..104a5f9bfd26 100644
--- a/drivers/soc/litex/litex_soc_ctrl.c
+++ b/drivers/soc/litex/litex_soc_ctrl.c
@@ -69,14 +69,11 @@ static int litex_check_csr_access(void __iomem *reg_addr)
struct litex_soc_ctrl_device {
void __iomem *base;
- struct notifier_block reset_nb;
};
-static int litex_reset_handler(struct notifier_block *this, unsigned long mode,
- void *cmd)
+static int litex_reset_handler(struct sys_off_data *data)
{
- struct litex_soc_ctrl_device *soc_ctrl_dev =
- container_of(this, struct litex_soc_ctrl_device, reset_nb);
+ struct litex_soc_ctrl_device *soc_ctrl_dev = data->cb_data;
litex_write32(soc_ctrl_dev->base + RESET_REG_OFF, RESET_REG_VALUE);
return NOTIFY_DONE;
@@ -105,11 +102,9 @@ static int litex_soc_ctrl_probe(struct platform_device *pdev)
if (error)
return error;
- platform_set_drvdata(pdev, soc_ctrl_dev);
-
- soc_ctrl_dev->reset_nb.notifier_call = litex_reset_handler;
- soc_ctrl_dev->reset_nb.priority = 128;
- error = register_restart_handler(&soc_ctrl_dev->reset_nb);
+ error = devm_register_restart_handler(&pdev->dev,
+ litex_reset_handler,
+ soc_ctrl_dev);
if (error) {
dev_warn(&pdev->dev, "cannot register restart handler: %d\n",
error);
@@ -118,20 +113,12 @@ static int litex_soc_ctrl_probe(struct platform_device *pdev)
return 0;
}
-static void litex_soc_ctrl_remove(struct platform_device *pdev)
-{
- struct litex_soc_ctrl_device *soc_ctrl_dev = platform_get_drvdata(pdev);
-
- unregister_restart_handler(&soc_ctrl_dev->reset_nb);
-}
-
static struct platform_driver litex_soc_ctrl_driver = {
.driver = {
.name = "litex-soc-controller",
.of_match_table = litex_soc_ctrl_of_match,
},
.probe = litex_soc_ctrl_probe,
- .remove = litex_soc_ctrl_remove,
};
module_platform_driver(litex_soc_ctrl_driver);