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nvme-pci: disable APST for Samsung NVMe SSD 960 EVO + ASUS PRIME Z370-A
Yet another "incompatible" Samsung NVMe SSD 960 EVO and Asus motherboard combination. 960 EVO device disappears from PCIe bus within few minutes after boot-up when APST is in use and never gets back. Forcing NVME_QUIRK_NO_APST is the only way to make this drive work with this particular motherboard. NVME_QUIRK_NO_DEEPEST_PS doesn't work, upgrading motherboard's BIOS didn't help either. Since this is a desktop motherboard, the only drawback of not using APST is increased device temperature. Signed-off-by: Jarosław Janik <jaroslaw.janik@gmail.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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1 changed files with 5 additions and 2 deletions
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@ -2467,10 +2467,13 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev)
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} else if (pdev->vendor == 0x144d && pdev->device == 0xa804) {
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/*
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* Samsung SSD 960 EVO drops off the PCIe bus after system
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* suspend on a Ryzen board, ASUS PRIME B350M-A.
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* suspend on a Ryzen board, ASUS PRIME B350M-A, as well as
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* within few minutes after bootup on a Coffee Lake board -
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* ASUS PRIME Z370-A
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*/
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if (dmi_match(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC.") &&
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dmi_match(DMI_BOARD_NAME, "PRIME B350M-A"))
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(dmi_match(DMI_BOARD_NAME, "PRIME B350M-A") ||
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dmi_match(DMI_BOARD_NAME, "PRIME Z370-A")))
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return NVME_QUIRK_NO_APST;
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}
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