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soc/tegra: pmc: Embed reboot notifier in PMC context

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Instead of relying on a global variable to track the PMC context, embed
the reboot notifier into the PMC context so that the latter can be
resolved using container_of().

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2025-02-03 14:38:24 +01:00
parent 0732dffeb0
commit 48b7f802fb
1 changed files with 10 additions and 7 deletions
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17
drivers/soc/tegra/pmc.c
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@ -470,6 +470,8 @@ struct tegra_pmc {
unsigned long *wake_type_dual_edge_map; unsigned long *wake_type_dual_edge_map;
unsigned long *wake_sw_status_map; unsigned long *wake_sw_status_map;
unsigned long *wake_cntrl_level_map; unsigned long *wake_cntrl_level_map;
struct notifier_block reboot_notifier;
struct syscore syscore; struct syscore syscore;
/* Pending wake IRQ processing */ /* Pending wake IRQ processing */
@ -1103,7 +1105,8 @@ int tegra_pmc_cpu_remove_clamping(unsigned int cpuid)
return tegra_powergate_remove_clamping(id); return tegra_powergate_remove_clamping(id);
} }
static void tegra_pmc_program_reboot_reason(const char *cmd) static void tegra_pmc_program_reboot_reason(struct tegra_pmc *pmc,
const char *cmd)
{ {
u32 value; u32 value;
@ -1127,16 +1130,14 @@ static void tegra_pmc_program_reboot_reason(const char *cmd)
static int tegra_pmc_reboot_notify(struct notifier_block *this, static int tegra_pmc_reboot_notify(struct notifier_block *this,
unsigned long action, void *data) unsigned long action, void *data)
{ {
struct tegra_pmc *pmc = container_of(this, struct tegra_pmc,
reboot_notifier);
if (action == SYS_RESTART) if (action == SYS_RESTART)
tegra_pmc_program_reboot_reason(data); tegra_pmc_program_reboot_reason(pmc, data);
return NOTIFY_DONE; return NOTIFY_DONE;
} }
static struct notifier_block tegra_pmc_reboot_notifier = {
.notifier_call = tegra_pmc_reboot_notify,
};
static void tegra_pmc_restart(void) static void tegra_pmc_restart(void)
{ {
u32 value; u32 value;
@ -2995,8 +2996,10 @@ static int tegra_pmc_probe(struct platform_device *pdev)
* CPU without resetting everything else. * CPU without resetting everything else.
*/ */
if (pmc->scratch) { if (pmc->scratch) {
pmc->reboot_notifier.notifier_call = tegra_pmc_reboot_notify;
err = devm_register_reboot_notifier(&pdev->dev, err = devm_register_reboot_notifier(&pdev->dev,
&tegra_pmc_reboot_notifier); &pmc->reboot_notifier);
if (err) { if (err) {
dev_err(&pdev->dev, dev_err(&pdev->dev,
"unable to register reboot notifier, %d\n", "unable to register reboot notifier, %d\n",