Message ID | 6eff165d5aee88370855ff1cb9be2ff4be4ef50c.1351492562.git.pratyush.anand@st.com (mailing list archive) |
---|---|
State | New, archived |
Delegated to: | Bjorn Helgaas |
Headers | show |
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index 2555250..62d603f 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -490,6 +490,18 @@ void __init pci_common_init(struct hw_pci *hw) struct pci_bus *bus = sys->bus; if (!pci_has_flag(PCI_PROBE_ONLY)) { + struct pci_bus *child; + + /* + * Set MPS and readrq size + */ + list_for_each_entry(child, &bus->children, node) { + struct pci_dev *self = child->self; + if (!self) + continue; + pcie_bus_configure_settings(child, + self->pcie_mpss); + } /* * Size the bridge windows. */
There could be some device which will work only after adjusting their "Max Packet Size" and/or "Max Read Request Size". This modification will only be effective if proper 'pci=' bootargs is passed. Signed-off-by: Pratyush Anand <pratyush.anand@st.com> --- arch/arm/kernel/bios32.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-)