diff options
| author |   Dejin Zheng <zhengdejin5@gmail.com> | 2021-03-28 22:41:18 +0800 |
|---|---|---|
| committer |   Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2021-03-31 10:28:38 +0100 |
| commit | d4707d79fae08c8996a1ba45965a491045a22dda (patch) | |
| tree | 38aebddc8d32d34e25038b93f39bc688f9a233ab /drivers/pci/controller/pci-xgene.c | |
| parent | Linux 5.12-rc2 (diff) | |
| download | linux-dev-d4707d79fae08c8996a1ba45965a491045a22dda.tar.xz linux-dev-d4707d79fae08c8996a1ba45965a491045a22dda.zip | |
PCI: xgene: Fix cfg resource mapping
In commit e2dcd20b1645 a change was made to use
devm_platform_ioremap_resource_byname() to simplify code and remove
the res variable; this was wrong since the res variable is still needed
and as an outcome the port->cfg_addr gets an erroneous address.
Revert the change going back to original behaviour.
Link: https://lore.kernel.org/r/20210328144118.305074-1-zhengdejin5@gmail.com
Fixes: e2dcd20b1645a ("PCI: controller: Convert to devm_platform_ioremap_resource_byname()")
Reported-by: dann.frazier@canonical.com
Tested-by: dann frazier <dann.frazier@canonical.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: stable@vger.kernel.org # v5.9+
Diffstat (limited to 'drivers/pci/controller/pci-xgene.c')
| -rw-r--r-- | drivers/pci/controller/pci-xgene.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c index 2afdc865253e..7f503dd4ff81 100644 --- a/drivers/pci/controller/pci-xgene.c +++ b/drivers/pci/controller/pci-xgene.c @@ -354,7 +354,8 @@ static int xgene_pcie_map_reg(struct xgene_pcie_port *port, if (IS_ERR(port->csr_base)) return PTR_ERR(port->csr_base); - port->cfg_base = devm_platform_ioremap_resource_byname(pdev, "cfg"); + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg"); + port->cfg_base = devm_ioremap_resource(dev, res); if (IS_ERR(port->cfg_base)) return PTR_ERR(port->cfg_base); port->cfg_addr = res->start; |