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authorJone Chou <jonechou@google.com>2022-03-14 02:50:11 +0800
committerJone Chou <jonechou@google.com>2022-03-14 10:25:04 +0800
commitdaa56173946e85a7ab7209e1af0335e48c602d85 (patch)
tree189759ddd636657c856cf7272bd1f163a373c4b5
parent80e9c96619836a1dfbdd314d3a9aadbce3810c98 (diff)
downloadreset-daa56173946e85a7ab7209e1af0335e48c602d85.tar.gz
Use shutdown method, exynos_power_off, to detect power key is really released, execute acpm_prepare_reboot and then SMC to TF-A to do real power off actions. Bug: 201317385 Signed-off-by: Jone Chou <jonechou@google.com> Change-Id: Ic328c705a7b130f8bca2a731e329cd2389ed7003
-rw-r--r--exynos-gs201-reboot.c40
1 files changed, 22 insertions, 18 deletions
diff --git a/exynos-gs201-reboot.c b/exynos-gs201-reboot.c
index 915d4aa..a649ecd 100644
--- a/exynos-gs201-reboot.c
+++ b/exynos-gs201-reboot.c
@@ -116,24 +116,6 @@ static int exynos_reboot_handler(struct notifier_block *nb, unsigned long mode,
{
exynos_reboot_parse(cmd);
- if (mode != SYS_POWER_OFF)
- return NOTIFY_DONE;
-
- while (1) {
- /* wait for power button release */
- if (!pmic_read_pwrkey_status()) {
- pr_info("ready to do power off.\n");
- break;
- } else {
- /*
- * if power button is not released,
- * wait and check TA again
- */
- pr_info("PWR Key is not released.\n");
- }
- mdelay(1000);
- }
-
return NOTIFY_DONE;
}
@@ -158,6 +140,27 @@ static struct notifier_block exynos_restart_nb = {
.priority = 130,
};
+static void exynos_power_off(struct platform_device *pdev)
+{
+ while (1) {
+ /* wait for power button release */
+ if (!pmic_read_pwrkey_status()) {
+#if IS_ENABLED(CONFIG_GS_ACPM)
+ acpm_prepare_reboot();
+#endif
+ pr_info("ready to do power off.\n");
+ break;
+ } else {
+ /*
+ * if power button is not released,
+ * wait and check TA again
+ */
+ pr_info("PWR Key is not released.\n");
+ }
+ mdelay(1000);
+ }
+}
+
static int exynos_reboot_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -238,6 +241,7 @@ static const struct of_device_id exynos_reboot_of_match[] = {
static struct platform_driver exynos_reboot_driver = {
.probe = exynos_reboot_probe,
+ .shutdown = exynos_power_off,
.driver = {
.name = "exynos-reboot",
.of_match_table = exynos_reboot_of_match,