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authorHans de Goede <hdegoede@redhat.com>2019-04-18 14:39:33 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-04-18 17:46:45 +0300
commitc8afd03486c26accdda4846e5561aa3f8e862a9d (patch)
treee55d0a866d79ae99a2a6b7868e84a60d5b89a316 /drivers/acpi/acpi_lpss.c
parentdc4060a5dc2557e6b5aa813bf5b73677299d62d2 (diff)
downloadlinux-c8afd03486c26accdda4846e5561aa3f8e862a9d.tar.xz
ACPI / LPSS: Use acpi_lpss_* instead of acpi_subsys_* functions for hibernate
Commit 48402cee6889 ("ACPI / LPSS: Resume BYT/CHT I2C controllers from resume_noirq") makes acpi_lpss_{suspend_late,resume_early}() bail early on BYT/CHT as resume_from_noirq is set. This means that on resume from hibernate dw_i2c_plat_resume() doesn't get called by the restore_early callback, acpi_lpss_resume_early(). Instead it should be called by the restore_noirq callback matching how things are done when resume_from_noirq is set and we are doing a regular resume. Change the restore_noirq callback to acpi_lpss_resume_noirq so that dw_i2c_plat_resume() gets properly called when resume_from_noirq is set and we are resuming from hibernate. Likewise also change the poweroff_noirq callback so that dw_i2c_plat_suspend gets called properly. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=202139 Fixes: 48402cee6889 ("ACPI / LPSS: Resume BYT/CHT I2C controllers from resume_noirq") Reported-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: 4.20+ <stable@vger.kernel.org> # 4.20+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpi_lpss.c')
-rw-r--r--drivers/acpi/acpi_lpss.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 1e2a10a06b9d..cf768608437e 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -1142,8 +1142,8 @@ static struct dev_pm_domain acpi_lpss_pm_domain = {
.thaw_noirq = acpi_subsys_thaw_noirq,
.poweroff = acpi_subsys_suspend,
.poweroff_late = acpi_lpss_suspend_late,
- .poweroff_noirq = acpi_subsys_suspend_noirq,
- .restore_noirq = acpi_subsys_resume_noirq,
+ .poweroff_noirq = acpi_lpss_suspend_noirq,
+ .restore_noirq = acpi_lpss_resume_noirq,
.restore_early = acpi_lpss_resume_early,
#endif
.runtime_suspend = acpi_lpss_runtime_suspend,