[incubator-nuttx] 06/11: pcie: checking bar > 4 for 64bit bars are sufficient

[btashton]

This is an automated email from the ASF dual-hosted git repository.

btashton pushed a commit to branch pci
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit a2ea99857bd528ab27e4d01cd961cf1ee77696cb
Author: Yang Chung-Fan <sonic.tw...@gmail.com>
AuthorDate: Wed May 6 18:20:20 2020 +0900

    pcie: checking bar > 4 for 64bit bars are sufficient
---
 drivers/pcie/pcie_root.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pcie/pcie_root.c b/drivers/pcie/pcie_root.c
index 2592fbb..362e677 100644
--- a/drivers/pcie/pcie_root.c
+++ b/drivers/pcie/pcie_root.c
@@ -193,7 +193,7 @@ int pci_get_bar(FAR struct pcie_dev_s *dev, uint32_t bar,
 int pci_get_bar64(FAR struct pcie_dev_s *dev, uint32_t bar,
                   uint64_t *ret)
 {
-  if (bar > 5 || ((bar % 2) != 0))
+  if (bar > 4 || ((bar % 2) != 0))
       return -EINVAL;
 
   uint32_t barmem1;
@@ -253,7 +253,7 @@ int pci_set_bar(FAR struct pcie_dev_s *dev, uint32_t bar,
 int pci_set_bar64(FAR struct pcie_dev_s *dev, uint32_t bar,
                   uint64_t val)
 {
-  if (bar > 5 || ((bar % 2) != 0))
+  if (bar > 4 || ((bar % 2) != 0))
       return -EINVAL;
 
   uint32_t barmem1 = (uint32_t)val;
@@ -328,7 +328,7 @@ int pci_map_bar(FAR struct pcie_dev_s *dev, uint32_t bar,
 int pci_map_bar64(FAR struct pcie_dev_s *dev, uint32_t bar,
                   unsigned long length, uint64_t *ret)
 {
-  if (bar > 5 || ((bar % 2) != 0))
+  if (bar > 4 || ((bar % 2) != 0))
       return -EINVAL;
 
   uint32_t barmem1;