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authorAsmaa Mnebhi2023-10-30 16:30:58 -0400
committerSebastian Reichel2023-11-15 23:04:48 +0100
commitb9afaa069e58939d95923c27c2fd76a0523119a7 (patch)
tree17047d0691bc64f222078949a82695ffddef958c /drivers/power
parentb85ea95d086471afb4ad062012a4d73cd328fa86 (diff)
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.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/power/reset/pwr-mlxbf.c b/drivers/power/reset/pwr-mlxbf.c
index de35d24bb7ef..1775b318d0ef 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;