From: Basavaraj Natikar Basavaraj.Natikar@amd.com
[ Upstream commit 1353ecaf1830d6d1b74f3225378a9498b4e14fdd ]
As soon as the system is booted after shutdown, the sensors may remain in a weird state and fail to initialize. Therefore, all sensors should be turned off during shutdown.
Fixes: 4f567b9f8141 ("SFH: PCIe driver to add support of AMD sensor fusion hub") Signed-off-by: Basavaraj Natikar Basavaraj.Natikar@amd.com Signed-off-by: Jiri Kosina jkosina@suse.cz Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/hid/amd-sfh-hid/amd_sfh_pcie.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c index 47774b9ab3de0..c936d6a51c0cd 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c @@ -367,6 +367,14 @@ static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i return devm_add_action_or_reset(&pdev->dev, privdata->mp2_ops->remove, privdata); }
+static void amd_sfh_shutdown(struct pci_dev *pdev) +{ + struct amd_mp2_dev *mp2 = pci_get_drvdata(pdev); + + if (mp2 && mp2->mp2_ops) + mp2->mp2_ops->stop_all(mp2); +} + static int __maybe_unused amd_mp2_pci_resume(struct device *dev) { struct amd_mp2_dev *mp2 = dev_get_drvdata(dev); @@ -401,6 +409,7 @@ static struct pci_driver amd_mp2_pci_driver = { .id_table = amd_mp2_pci_tbl, .probe = amd_mp2_pci_probe, .driver.pm = &amd_mp2_pm_ops, + .shutdown = amd_sfh_shutdown, }; module_pci_driver(amd_mp2_pci_driver);