[PATCH v11 10/11] PCI: brcmstb: Set bus max burst size by chip type
Rob Herring
robh at kernel.org
Thu Sep 10 12:22:43 EDT 2020
On Mon, 24 Aug 2020 15:30:23 -0400, Jim Quinlan wrote:
> From: Jim Quinlan <jquinlan at broadcom.com>
>
> The proper value of the parameter SCB_MAX_BURST_SIZE varies per chip. The
> 2711 family requires 128B whereas other devices can employ 512. The
> assignment is complicated by the fact that the values for this two-bit
> field have different meanings;
>
> Value Type_Generic Type_7278
>
> 00 Reserved 128B
> 01 128B 256B
> 10 256B 512B
> 11 512B Reserved
>
> Signed-off-by: Jim Quinlan <jquinlan at broadcom.com>
> Acked-by: Florian Fainelli <f.fainelli at gmail.com>
> ---
> drivers/pci/controller/pcie-brcmstb.c | 19 +++++++++++++++----
> 1 file changed, 15 insertions(+), 4 deletions(-)
>
Reviewed-by: Rob Herring <robh at kernel.org>
More information about the linux-arm-kernel
mailing list