From: Rob Herring <robh@kernel.org>
Date: Tue, 21 Jul 2020 20:25:11 -0600
Subject: PCI: of: Reduce missing non-prefetchable memory region to a warning
Git-commit: 4cb18d13b01142d54a5fab66a2e9f562c08bc23b
Patch-mainline: v5.9-rc1
References: bsc#1179344
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.
Link: https://lore.kernel.org/r/20200722022514.1283916-17-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/pci/of.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
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);
--
2.26.2