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reset: lpc18xx: Use devm_register_sys_off_handler()

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Function register_restart_handler() is deprecated. Using this new API
removes our need to keep and manage a struct notifier_block and to
later unregister the handler.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Andrew Davis 2025-08-13 16:41:35 -05:00 committed by Philipp Zabel
parent 8bfef0c243
commit 09f166128a
1 changed files with 4 additions and 8 deletions
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12
drivers/reset/reset-lpc18xx.c
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@ -31,7 +31,6 @@
struct lpc18xx_rgu_data {
struct reset_controller_dev rcdev;
struct notifier_block restart_nb;
struct clk *clk_delay;
struct clk *clk_reg;
void __iomem *base;
@ -41,11 +40,9 @@ struct lpc18xx_rgu_data {
#define to_rgu_data(p) container_of(p, struct lpc18xx_rgu_data, rcdev)
static int lpc18xx_rgu_restart(struct notifier_block *nb, unsigned long mode,
void *cmd)
static int lpc18xx_rgu_restart(struct sys_off_data *data)
{
struct lpc18xx_rgu_data *rc = container_of(nb, struct lpc18xx_rgu_data,
restart_nb);
struct lpc18xx_rgu_data *rc = data->cb_data;
writel(BIT(LPC18XX_RGU_CORE_RST), rc->base + LPC18XX_RGU_CTRL0);
mdelay(2000);
@ -178,9 +175,8 @@ static int lpc18xx_rgu_probe(struct platform_device *pdev)
if (ret)
return dev_err_probe(&pdev->dev, ret, "unable to register device\n");
rc->restart_nb.priority = 192,
rc->restart_nb.notifier_call = lpc18xx_rgu_restart,
ret = register_restart_handler(&rc->restart_nb);
ret = devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_RESTART, 192,
lpc18xx_rgu_restart, rc);
if (ret)
dev_warn(&pdev->dev, "failed to register restart handler\n");