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| author | Raphael Norwitz <raphael.norwitz@nutanix.com> | 2021-04-08 21:05:27 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-04-09 18:41:07 +0200 |
| commit | 0349a070881f7e3b4472d886989db092ed3ccac8 (patch) | |
| tree | f31d823317732caf769419d9186cf26b1bb81711 /drivers/pci/quirks.c | |
| parent | Linux 5.12-rc2 (diff) | |
| download | linux-0349a070881f7e3b4472d886989db092ed3ccac8.tar.xz linux-0349a070881f7e3b4472d886989db092ed3ccac8.zip | |
PCI: Delay after FLR of Intel DC P4510 NVMe
Like the Intel DC P3700 NVMe, the Intel P4510 NVMe exhibits a timeout
failure when the driver tries to interact with the device too soon after an
FLR.
Add a device-specific reset method that delays 250ms after doing an FLR.
Link: https://lore.kernel.org/r/20210408190521.16897-1-raphael.norwitz@nutanix.com
Signed-off-by: Alay Shah <alay.shah@nutanix.com>
Signed-off-by: Suresh Gumpula <suresh.gumpula@nutanix.com>
Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/pci/quirks.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 653660e3ba9e..5a8c059b848d 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3922,6 +3922,7 @@ static const struct pci_dev_reset_methods pci_dev_reset_methods[] = { reset_ivb_igd }, { PCI_VENDOR_ID_SAMSUNG, 0xa804, nvme_disable_and_flr }, { PCI_VENDOR_ID_INTEL, 0x0953, delay_250ms_after_flr }, + { PCI_VENDOR_ID_INTEL, 0x0a54, delay_250ms_after_flr }, { PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID, reset_chelsio_generic_dev }, { 0 } |