diff options
| author | Asmaa Mnebhi <asmaa@nvidia.com> | 2023-10-30 16:30:58 -0400 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2023-11-15 23:04:48 +0100 |
| commit | b9afaa069e58939d95923c27c2fd76a0523119a7 (patch) | |
| tree | 17047d0691bc64f222078949a82695ffddef958c /drivers/power | |
| parent | b85ea95d086471afb4ad062012a4d73cd328fa86 (diff) | |
| download | linux-b9afaa069e58939d95923c27c2fd76a0523119a7.tar.gz | |
power: reset: pwr-mlxbf: support graceful reboot instead of emergency reset
Replace the soft reset with a graceful reboot.
An acpi event will be triggered by the irq in the pwr-mlxbf.c
to trigger the graceful reboot.
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Link: https://lore.kernel.org/r/20231030203058.8056-1-asmaa@nvidia.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/reset/pwr-mlxbf.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/power/reset/pwr-mlxbf.c b/drivers/power/reset/pwr-mlxbf.c index de35d24bb7ef3..1775b318d0ef4 100644 --- a/drivers/power/reset/pwr-mlxbf.c +++ b/drivers/power/reset/pwr-mlxbf.c @@ -17,11 +17,17 @@ #include <linux/types.h> struct pwr_mlxbf { - struct work_struct send_work; + struct work_struct reboot_work; + struct work_struct shutdown_work; const char *hid; }; -static void pwr_mlxbf_send_work(struct work_struct *work) +static void pwr_mlxbf_reboot_work(struct work_struct *work) +{ + acpi_bus_generate_netlink_event("button/reboot.*", "Reboot Button", 0x80, 1); +} + +static void pwr_mlxbf_shutdown_work(struct work_struct *work) { acpi_bus_generate_netlink_event("button/power.*", "Power Button", 0x80, 1); } @@ -33,10 +39,10 @@ static irqreturn_t pwr_mlxbf_irq(int irq, void *ptr) struct pwr_mlxbf *priv = ptr; if (!strncmp(priv->hid, rst_pwr_hid, 8)) - emergency_restart(); + schedule_work(&priv->reboot_work); if (!strncmp(priv->hid, low_pwr_hid, 8)) - schedule_work(&priv->send_work); + schedule_work(&priv->shutdown_work); return IRQ_HANDLED; } @@ -64,7 +70,11 @@ static int pwr_mlxbf_probe(struct platform_device *pdev) if (irq < 0) return dev_err_probe(dev, irq, "Error getting %s irq.\n", priv->hid); - err = devm_work_autocancel(dev, &priv->send_work, pwr_mlxbf_send_work); + err = devm_work_autocancel(dev, &priv->shutdown_work, pwr_mlxbf_shutdown_work); + if (err) + return err; + + err = devm_work_autocancel(dev, &priv->reboot_work, pwr_mlxbf_reboot_work); if (err) return err; |