[PATCH v4 1/8] SOC: brcmstb: add memory API
James Hogan
jhogan at kernel.org
Fri Mar 9 07:07:27 PST 2018
On Mon, Jan 15, 2018 at 06:28:38PM -0500, Jim Quinlan wrote:
> From: Florian Fainelli <f.fainelli at gmail.com>
>
> This commit adds a memory API suitable for ascertaining the sizes of
> each of the N memory controllers in a Broadcom STB chip. Its first
> user will be the Broadcom STB PCIe root complex driver, which needs
> to know these sizes to properly set up DMA mappings for inbound
> regions.
>
> We cannot use memblock here or anything like what Linux provides
> because it collapses adjacent regions within a larger block, and here
> we actually need per-memory controller addresses and sizes, which is
> why we resort to manual DT parsing.
>
> Signed-off-by: Jim Quinlan <jim2101024 at gmail.com>
>
> Conflicts:
> drivers/soc/bcm/brcmstb/Makefile
That can go.
> +++ b/drivers/soc/bcm/brcmstb/memory.c
...
> +/* Macro to help extract property data */
> +#define DT_PROP_DATA_TO_U32(b, offs) (fdt32_to_cpu(*(u32*)(b + offs)))
Checkpatch complains about missing whitespace after u32.
Cheers
James
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