The number of windows allocated for the host bridge depends on the bus resource. Instead of first allocating the windows and then limit the bus resource, this patch reshuffles the code so that if any limitation is applied to the bus resource it is taken into account in the windows allocation.
Cc: Will Deacon <[email protected]> Signed-off-by: Lorenzo Pieralisi <[email protected]> --- drivers/pci/host/pci-host-generic.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/pci/host/pci-host-generic.c b/drivers/pci/host/pci-host-generic.c index 3d2076f..1e1a80f 100644 --- a/drivers/pci/host/pci-host-generic.c +++ b/drivers/pci/host/pci-host-generic.c @@ -276,17 +276,17 @@ static int gen_pci_parse_map_cfg_windows(struct gen_pci *pci) return err; } - pci->cfg.win = devm_kcalloc(dev, resource_size(&pci->cfg.bus_range), - sizeof(*pci->cfg.win), GFP_KERNEL); - if (!pci->cfg.win) - return -ENOMEM; - /* Limit the bus-range to fit within reg */ bus_max = pci->cfg.bus_range.start + (resource_size(&pci->cfg.res) >> pci->cfg.ops->bus_shift) - 1; pci->cfg.bus_range.end = min_t(resource_size_t, pci->cfg.bus_range.end, bus_max); + pci->cfg.win = devm_kcalloc(dev, resource_size(&pci->cfg.bus_range), + sizeof(*pci->cfg.win), GFP_KERNEL); + if (!pci->cfg.win) + return -ENOMEM; + /* Map our Configuration Space windows */ if (!devm_request_mem_region(dev, pci->cfg.res.start, resource_size(&pci->cfg.res), -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
