diff mbox series

[16/19] PCI: of: Reduce missing non-prefetchable memory region to a warning

Message ID 20200722022514.1283916-17-robh@kernel.org (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show
Series PCI: Another round of host clean-ups | expand

Commit Message

Rob Herring (Arm) July 22, 2020, 2:25 a.m. UTC 
The pci-rcar-gen2 controller requires only a prefetchable memory region,
and the error prevents using pci_parse_request_of_pci_ranges() for it.
Let's reduce this to just a warning message so this function can be used
for pci-rcar-gen2.

Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
---
 drivers/pci/of.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/of.c b/drivers/pci/of.c
index 27839cd2459f..cfb940c8b399 100644
--- a/drivers/pci/of.c
+++ b/drivers/pci/of.c
@@ -564,11 +564,10 @@  int pci_parse_request_of_pci_ranges(struct device *dev,
 		}
 	}
 
-	if (res_valid)
-		return 0;
+	if (!res_valid)
+		dev_warn(dev, "non-prefetchable memory resource required\n");
 
-	dev_err(dev, "non-prefetchable memory resource required\n");
-	err = -EINVAL;
+	return 0;
 
  out_release_res:
 	pci_free_resource_list(resources);