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soc/tegra: pmc: Pass PMC context via sys-off callback data

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To avoid relying on global variables, use the sys-off callback data to
store a reference to the PMC context structure.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2025-02-03 14:41:45 +01:00
parent 48b7f802fb
commit a9f822b3ff
1 changed files with 11 additions and 5 deletions
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16
drivers/soc/tegra/pmc.c
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@ -1138,7 +1138,7 @@ static int tegra_pmc_reboot_notify(struct notifier_block *this,
return NOTIFY_DONE;
}
static void tegra_pmc_restart(void)
static void tegra_pmc_restart(struct tegra_pmc *pmc)
{
u32 value;
@ -1150,13 +1150,17 @@ static void tegra_pmc_restart(void)
static int tegra_pmc_restart_handler(struct sys_off_data *data)
{
tegra_pmc_restart();
struct tegra_pmc *pmc = data->cb_data;
tegra_pmc_restart(pmc);
return NOTIFY_DONE;
}
static int tegra_pmc_power_off_handler(struct sys_off_data *data)
{
struct tegra_pmc *pmc = data->cb_data;
/*
* Reboot Nexus 7 into special bootloader mode if USB cable is
* connected in order to display battery status and power off.
@ -1166,7 +1170,7 @@ static int tegra_pmc_power_off_handler(struct sys_off_data *data)
const u32 go_to_charger_mode = 0xa5a55a5a;
tegra_pmc_writel(pmc, go_to_charger_mode, PMC_SCRATCH37);
tegra_pmc_restart();
tegra_pmc_restart(pmc);
}
return NOTIFY_DONE;
@ -3011,7 +3015,8 @@ static int tegra_pmc_probe(struct platform_device *pdev)
err = devm_register_sys_off_handler(&pdev->dev,
SYS_OFF_MODE_RESTART,
SYS_OFF_PRIO_LOW,
tegra_pmc_restart_handler, NULL);
tegra_pmc_restart_handler,
pmc);
if (err) {
dev_err(&pdev->dev, "failed to register sys-off handler: %d\n",
err);
@ -3025,7 +3030,8 @@ static int tegra_pmc_probe(struct platform_device *pdev)
err = devm_register_sys_off_handler(&pdev->dev,
SYS_OFF_MODE_POWER_OFF,
SYS_OFF_PRIO_FIRMWARE,
tegra_pmc_power_off_handler, NULL);
tegra_pmc_power_off_handler,
pmc);
if (err) {
dev_err(&pdev->dev, "failed to register sys-off handler: %d\n",
err);