AcoSail/kernel_optimize_test
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Merge branch 'for-5.9/intel-ish' into for-linus

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This commit is contained in:
Jiri Kosina 2020-08-10 11:21:59 +02:00
commit cd6cad553b
1 changed files with 11 additions and 5 deletions
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16
drivers/hid/intel-ish-hid/ipc/pci-ish.c
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@ -106,6 +106,11 @@ static inline bool ish_should_enter_d0i3(struct pci_dev *pdev)
return !pm_suspend_via_firmware() || pdev->device == CHV_DEVICE_ID;
}
static inline bool ish_should_leave_d0i3(struct pci_dev *pdev)
{
return !pm_resume_via_firmware() || pdev->device == CHV_DEVICE_ID;
}
/**
* ish_probe() - PCI driver probe callback
* @pdev: pci device
@ -215,9 +220,7 @@ static void __maybe_unused ish_resume_handler(struct work_struct *work)
struct ishtp_device *dev = pci_get_drvdata(pdev);
int ret;
/* Check the NO_D3 flag to distinguish the resume paths */
if (pdev->dev_flags & PCI_DEV_FLAGS_NO_D3) {
pdev->dev_flags &= ~PCI_DEV_FLAGS_NO_D3;
if (ish_should_leave_d0i3(pdev) && !dev->suspend_flag) {
disable_irq_wake(pdev->irq);
ishtp_send_resume(dev);
@ -281,8 +284,11 @@ static int __maybe_unused ish_suspend(struct device *device)
*/
ish_disable_dma(dev);
} else {
/* Set the NO_D3 flag, the ISH would enter D0i3 */
pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3;
/*
* Save state so PCI core will keep the device at D0,
* the ISH would enter D0i3
*/
pci_save_state(pdev);
enable_irq_wake(pdev->irq);
}