diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 80cc7c089a15..4a363bed89b3 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2681,6 +2681,9 @@ static void acpi_nfit_notify(struct acpi_device *adev, u32 event) dev_dbg(dev, "%s: event: %d\n", __func__, event); + if (event != NFIT_NOTIFY_UPDATE) + return; + device_lock(dev); if (!dev->driver) { /* dev->driver may be null if we're being removed */ diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h index e894ded24d99..51d23f130d86 100644 --- a/drivers/acpi/nfit/nfit.h +++ b/drivers/acpi/nfit/nfit.h @@ -78,6 +78,10 @@ enum { NFIT_ARS_TIMEOUT = 90, }; +enum nfit_root_notifiers { + NFIT_NOTIFY_UPDATE = 0x80, +}; + struct nfit_spa { struct list_head list; struct nd_region *nd_region;