Hello.
On 06/04/2014 11:17 PM, Vidya Sagar wrote:
As per PCIe spec, fast back-to-back transactions feature
is not applicable to PCIe devices. Hence, do not print
that fast back-to-back trasactions are disabled when
there is a PCIe device found on the bus
Signed-off-by: Vidya Sagar <[email protected]>
---
arch/arm/kernel/bios32.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 17a26c1..95ad3fb 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
[...]
@@ -354,9 +357,11 @@ void pcibios_fixup_bus(struct pci_bus *bus)
/*
* Report what we did for this bus
+ * (only if the bus doesn't have even one PCIe device)
*/
- printk(KERN_INFO "PCI: bus%d: Fast back to back transfers %sabled\n",
- bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" : "dis");
+ if (!has_pcie_dev)
+ printk(KERN_INFO "PCI: bus%d: Fast back to back transfers
%sabled\n",
Time to change this to pr_info()...
+ bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" :
"dis");
}
EXPORT_SYMBOL(pcibios_fixup_bus);
WBR, Sergei
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