| Message ID | 20211125124605.25915-8-pali@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | pci: mvebu: Various fixes | expand |
diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c index 32694763e930..a0b661972436 100644 --- a/drivers/pci/controller/pci-mvebu.c +++ b/drivers/pci/controller/pci-mvebu.c @@ -522,13 +522,6 @@ mvebu_pci_bridge_emul_base_conf_write(struct pci_bridge_emul *bridge, break; case PCI_IO_BASE: - /* - * We keep bit 1 set, it is a read-only bit that - * indicates we support 32 bits addressing for the - * I/O - */ - conf->iobase |= PCI_IO_RANGE_TYPE_32; - conf->iolimit |= PCI_IO_RANGE_TYPE_32; mvebu_pcie_handle_iobase_change(port); break;
PCI IO type bits are already initialized in mvebu_pci_bridge_emul_init() function and only when IO support is enabled. These type bits are read-only and pci-bridge-emul.c code already does not allow to modify them from upper layers. When IO support is disabled then all IO registers should be read-only and return zeros. Therefore do not modify PCI IO type bits in mvebu_pci_bridge_emul_base_conf_write() callback. Signed-off-by: Pali Rohár <pali@kernel.org> Fixes: 1f08673eef12 ("PCI: mvebu: Convert to PCI emulated bridge config space") Cc: stable@vger.kernel.org --- drivers/pci/controller/pci-mvebu.c | 7 ------- 1 file changed, 7 deletions(-)