[PATCH] PCI: designware: Fix IO resource end address calculation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



End address should be equal to start_addr + size - 1.
The patch fixes PCI IO resource end address calculation.

Signed-off-by: Minghuan Lian <Minghuan.Lian@xxxxxxxxxxxxx>
---
 drivers/pci/host/pcie-designware.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 0f3cb2a..c19184f7 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -459,7 +459,7 @@ int __init dw_pcie_host_init(struct pcie_port *pp)
 			pp->io.end = min_t(resource_size_t,
 					   IO_SPACE_LIMIT,
 					   range.pci_addr + range.size
-					   + global_io_offset);
+					   + global_io_offset - 1);
 			pp->io_size = resource_size(&pp->io);
 			pp->io_bus_addr = range.pci_addr;
 			pp->io_base = range.cpu_addr;
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux