openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

bus: mvebu-mbus: Fix incorrect size for PCI aperture resources 

reg[0] is the DT base, reg[1] is the DT length in bytes,
struct resource.end is the inclusive end address, so a -1 is required.

Tested on kirkwood.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Jason Gunthorpe 2014-02-12 15:57:07 -07:00 committed by Bjorn Helgaas
parent 4f4bde1df3
commit a723e7523c
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/bus/mvebu-mbus.c
View File

@ -870,14 +870,14 @@ static void __init mvebu_mbus_get_pcie_resources(struct device_node *np,
ret = of_property_read_u32_array(np, "pcie-mem-aperture", reg, ARRAY_SIZE(reg));
if (!ret) {
mem->start = reg[0];
mem->end = mem->start + reg[1];
mem->end = mem->start + reg[1] - 1;
mem->flags = IORESOURCE_MEM;
}
ret = of_property_read_u32_array(np, "pcie-io-aperture", reg, ARRAY_SIZE(reg));
if (!ret) {
io->start = reg[0];
io->end = io->start + reg[1];
io->end = io->start + reg[1] - 1;
io->flags = IORESOURCE_IO;
}
}