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authorKishon Vijay Abraham I <kishon@ti.com>2019-01-14 12:15:06 +0100
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2019-02-15 10:59:48 +0100
commit5544d67ed11245ccb64099deb32831308297bf6b (patch)
tree042cb320a556122fd6c94f13e4ce445cdc0c8149 /drivers/pci
parentPCI: endpoint: Add helper to get first unreserved BAR (diff)
downloadlinux-5544d67ed11245ccb64099deb32831308297bf6b.tar.xz
linux-5544d67ed11245ccb64099deb32831308297bf6b.zip
PCI: endpoint: Fix pci_epf_alloc_space() to set correct MEM TYPE flags
pci_epf_alloc_space() sets the MEM TYPE flags to indicate a 32-bit Base Address Register irrespective of the size. Fix it here to indicate 64-bit BAR if the size is > 2GB. Tested-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/endpoint/pci-epf-core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
index 825fa24427a3..8bfdcd291196 100644
--- a/drivers/pci/endpoint/pci-epf-core.c
+++ b/drivers/pci/endpoint/pci-epf-core.c
@@ -131,7 +131,9 @@ void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar)
epf->bar[bar].phys_addr = phys_addr;
epf->bar[bar].size = size;
epf->bar[bar].barno = bar;
- epf->bar[bar].flags = PCI_BASE_ADDRESS_SPACE_MEMORY;
+ epf->bar[bar].flags |= upper_32_bits(size) ?
+ PCI_BASE_ADDRESS_MEM_TYPE_64 :
+ PCI_BASE_ADDRESS_MEM_TYPE_32;
return space;
}