[PATCH] PCI: endpoint: Improve reference in pci_epc_bar_size_to_rebar_cap() comment

[Niklas Cassel <cassel@kernel.org>]

Improve the reference pci_epc_bar_size_to_rebar_cap() comment to include
a specific PCIe spec version, and a specific section in that PCIe spec.

Suggested-by: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
---
Feel free to squash with original commit.

 drivers/pci/endpoint/pci-epc-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c
index 5d6aef956b13..88cb426d3aec 100644
--- a/drivers/pci/endpoint/pci-epc-core.c
+++ b/drivers/pci/endpoint/pci-epc-core.c
@@ -649,7 +649,7 @@ EXPORT_SYMBOL_GPL(pci_epc_set_bar);
 int pci_epc_bar_size_to_rebar_cap(size_t size, u32 *cap)
 {
 	/*
-	 * According to PCIe base spec, min size for a resizable BAR is 1 MB,
+	 * As per PCIe r6.0, sec 7.8.6.2, min size for a resizable BAR is 1 MB,
 	 * thus disallow a requested BAR size smaller than 1 MB.
 	 * Disallow a requested BAR size larger than 128 TB.
 	 */
-- 
2.48.1