[U-Boot] [PATCH] PCI: fix search for suitable memory region

[Bin Meng]

Hi Andre,

On Fri, Nov 13, 2015 at 6:06 PM, Andre Przywara <andre.przywara at arm.com> wrote:
> Binary ANDing a value with 0 and comparing it against 0 always
> yields true, I guess that's not intended here.
> Use the proper mask value for the memory region type bit.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> ---
>  drivers/pci/pci_common.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/pci_common.c b/drivers/pci/pci_common.c
> index 07f1726..b8a9a14 100644
> --- a/drivers/pci/pci_common.c
> +++ b/drivers/pci/pci_common.c
> @@ -231,7 +231,7 @@ phys_addr_t pci_hose_bus_to_phys(struct pci_controller *hose,
>          * if PCI_REGION_MEM is set we do a two pass search with preference
>          * on matches that don't have PCI_REGION_SYS_MEMORY set
>          */
> -       if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) {
> +       if ((flags & PCI_REGION_TYPE) == PCI_REGION_MEM) {
>                 ret = __pci_hose_bus_to_phys(hose, bus_addr,
>                                 flags, PCI_REGION_SYS_MEMORY, &phys_addr);
>                 if (!ret)
> --

See commit 3526285068598f4e2ddaf19d4bd94f253de06ce9 "pci: fix checking
PCI_REGION_MEM in pci_hose_phys_to_bus()" which is already in the
mainline.

Regards,
Bin