Messages in this thread Patch in this message | | | From | Owen Yang <> | Subject | [PATCH v1] drivers: pci: quirks: Add suspend fixup for SSD on sc7280 | Date | Thu, 25 May 2023 16:35:12 +0800 |
| |
Implement this workaround until Qualcomm fixed the correct NVMe suspend process.
Signed-off-by: Owen Yang <ecs.taipeikernel@gmail.com> ---
drivers/pci/quirks.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index f4e2a88729fd..b57876dc2624 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5945,6 +5945,16 @@ static void nvidia_ion_ahci_fixup(struct pci_dev *pdev) } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x0ab8, nvidia_ion_ahci_fixup); +/* In Qualcomm 7c gen 3 sc7280 platform. Some of the SSD won't enter + * the correct ASPM state properly. Therefore. Implement this workaround + * until Qualcomm fixed the correct NVMe suspend process*/ +static void phison_suspend_fixup(struct pci_dev *pdev) +{ + msleep(30); +} +DECLARE_PCI_FIXUP_SUSPEND(0x1987, 0x5013, phison_suspend_fixup); +DECLARE_PCI_FIXUP_SUSPEND(0x1987, 0x5015, phison_suspend_fixup); + static void rom_bar_overlap_defect(struct pci_dev *dev) { pci_info(dev, "working around ROM BAR overlap defect\n"); -- 2.17.1
| |