On Tue, Jan 18, 2022 at 05:21:17PM +0800, Dongdong Liu wrote:
> Current kernel reports disabling BAR if device with a 4TB BAR as it
> only supports BAR size to 128GB.
>
> pci 0000:01:00.0: disabling BAR 4:
> [mem 0x00000000-0x3ffffffffff 64bit pref] (bad alignment 0x40000000000)
>
> Increase the maximum BAR size from 128GB to 8TB for future expansion.
>
> Signed-off-by: Dongdong Liu <liudongdong3@xxxxxxxxxx>
Applied to pci/enumeration for v5.18, thanks!
> ---
> drivers/pci/setup-bus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
> index 547396ec50b5..a7893bf2f580 100644
> --- a/drivers/pci/setup-bus.c
> +++ b/drivers/pci/setup-bus.c
> @@ -994,7 +994,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
> {
> struct pci_dev *dev;
> resource_size_t min_align, align, size, size0, size1;
> - resource_size_t aligns[18]; /* Alignments from 1MB to 128GB */
> + resource_size_t aligns[24]; /* Alignments from 1MB to 8TB */
> int order, max_order;
> struct resource *b_res = find_bus_resource_of_type(bus,
> mask | IORESOURCE_PREFETCH, type);
> --
> 2.33.0
>
