diff options
Diffstat (limited to 'drivers/power/reset/rmobile-reset.c')
| -rw-r--r-- | drivers/power/reset/rmobile-reset.c | 38 |
1 files changed, 12 insertions, 26 deletions
diff --git a/drivers/power/reset/rmobile-reset.c b/drivers/power/reset/rmobile-reset.c index 5df9b41c68..7dbc51c32b 100644 --- a/drivers/power/reset/rmobile-reset.c +++ b/drivers/power/reset/rmobile-reset.c @@ -19,12 +19,9 @@ /* Reset Control Register 2 */ #define RESCNT2_PRES 0x80000000 /* Soft power-on reset */ -static void __iomem *sysc_base2; - -static int rmobile_reset_handler(struct notifier_block *this, - unsigned long mode, void *cmd) +static int rmobile_reset_handler(struct sys_off_data *data) { - pr_debug("%s %lu\n", __func__, mode); + void __iomem *sysc_base2 = (void __iomem *)data->cb_data; /* Let's assume we have acquired the HPB semaphore */ writel(RESCNT2_PRES, sysc_base2 + RESCNT2); @@ -32,37 +29,27 @@ static int rmobile_reset_handler(struct notifier_block *this, return NOTIFY_DONE; } -static struct notifier_block rmobile_reset_nb = { - .notifier_call = rmobile_reset_handler, - .priority = 192, -}; - static int rmobile_reset_probe(struct platform_device *pdev) { + void __iomem *sysc_base2; int error; - sysc_base2 = of_iomap(pdev->dev.of_node, 1); - if (!sysc_base2) - return -ENODEV; + sysc_base2 = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(sysc_base2)) + return PTR_ERR(sysc_base2); - error = register_restart_handler(&rmobile_reset_nb); + error = devm_register_sys_off_handler(&pdev->dev, + SYS_OFF_MODE_RESTART, + SYS_OFF_PRIO_HIGH, + rmobile_reset_handler, + (__force void *)sysc_base2); if (error) { dev_err(&pdev->dev, "cannot register restart handler (err=%d)\n", error); - goto fail_unmap; + return error; } return 0; - -fail_unmap: - iounmap(sysc_base2); - return error; -} - -static void rmobile_reset_remove(struct platform_device *pdev) -{ - unregister_restart_handler(&rmobile_reset_nb); - iounmap(sysc_base2); } static const struct of_device_id rmobile_reset_of_match[] = { @@ -73,7 +60,6 @@ MODULE_DEVICE_TABLE(of, rmobile_reset_of_match); static struct platform_driver rmobile_reset_driver = { .probe = rmobile_reset_probe, - .remove_new = rmobile_reset_remove, .driver = { .name = "rmobile_reset", .of_match_table = rmobile_reset_of_match, |