Subject: [PATCH v4 1/8] SOC: brcmstb: add memory API

From: [email-masked] (James Hogan)
Date: Fri, 9 Mar 2018 15:07:27 +0000

On Mon, Jan 15, 2018 at 06:28:38PM -0500, Jim Quinlan wrote:
> From: Florian Fainelli <[email-masked]>
> 
> 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 <[email-masked]>
> 
> 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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