From: Song Hongyan <hongyan.song@xxxxxxxxx> NO_D3 flag is set for CHV and the older platforms, the other platform suppose can enter D3, if have this NO_D3 flag set it can never enter D3 Signed-off-by: Song Hongyan <hongyan.song@xxxxxxxxx> --- drivers/hid/intel-ish-hid/ipc/pci-ish.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c index a6e1ee7..de1459b 100644 --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c @@ -154,7 +154,9 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* mapping IO device memory */ hw->mem_addr = pcim_iomap_table(pdev)[0]; ishtp->pdev = pdev; - pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3; + /*This NO_D3 flag is only for CHV and older platforms*/ + if (pdev->device == CHV_DEVICE_ID) + pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3; /* request and enable interrupt */ ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); -- 2.7.4
