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| author | Damien Le Moal <dlemoal@kernel.org> | 2023-04-18 09:46:58 +0200 |
|---|---|---|
| committer | Lorenzo Pieralisi <lpieralisi@kernel.org> | 2023-06-22 09:36:51 +0200 |
| commit | 7e6689b34a815bd379dfdbe9855d36f395ef056c (patch) | |
| tree | 24511258e1afad54e56bf5119711bee94979c7dc /drivers/pci | |
| parent | a52587e0bee14cbeeadf48a24013828cb04b8df8 (diff) | |
| download | linux-stable-7e6689b34a815bd379dfdbe9855d36f395ef056c.tar.gz linux-stable-7e6689b34a815bd379dfdbe9855d36f395ef056c.tar.bz2 linux-stable-7e6689b34a815bd379dfdbe9855d36f395ef056c.zip | |
PCI: rockchip: Set address alignment for endpoint mode
The address translation unit of the rockchip EP controller does not use
the lower 8 bits of a PCIe-space address to map local memory. Thus we
must set the align feature field to 256 to let the user know about this
constraint.
Link: https://lore.kernel.org/r/20230418074700.1083505-12-rick.wertenbroek@gmail.com
Fixes: cf590b078391 ("PCI: rockchip: Add EP driver for Rockchip PCIe controller")
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Rick Wertenbroek <rick.wertenbroek@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/controller/pcie-rockchip-ep.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index edfced311a9f..0af0e965fb57 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -442,6 +442,7 @@ static const struct pci_epc_features rockchip_pcie_epc_features = { .linkup_notifier = false, .msi_capable = true, .msix_capable = false, + .align = 256, }; static const struct pci_epc_features* |