Re: [PATCH] MIPS: Remove unused BOOT_MEM_INIT_RAM

From: Thomas Bogendoerfer
Date: Mon Sep 14 2020 - 07:13:23 EST


On Mon, Sep 14, 2020 at 06:39:51PM +0800, Youling Tang wrote:
>
>
> On 09/14/2020 12:32 PM, Jiaxun Yang wrote:
> >
> >
> >在 2020/9/12 9:59, Youling Tang 写道:
> >>Commit a94e4f24ec83 ("MIPS: init: Drop boot_mem_map") left
> >>the BOOT_MEM_INIT_RAM unused, remove it.
> >>
> >>Signed-off-by: Youling Tang <tangyouling@xxxxxxxxxxx>
> >>---
> >> arch/mips/include/asm/bootinfo.h | 1 -
> >> 1 file changed, 1 deletion(-)
> >>
> >>diff --git a/arch/mips/include/asm/bootinfo.h
> >>b/arch/mips/include/asm/bootinfo.h
> >>index 147c932..39196ae 100644
> >>--- a/arch/mips/include/asm/bootinfo.h
> >>+++ b/arch/mips/include/asm/bootinfo.h
> >>@@ -91,7 +91,6 @@ extern unsigned long mips_machtype;
> >> #define BOOT_MEM_RAM 1
> >> #define BOOT_MEM_ROM_DATA 2
> >> #define BOOT_MEM_RESERVED 3
> >>-#define BOOT_MEM_INIT_RAM 4
> >
> >If you're willing to remove that you'd better turn the memtype struct
> >into a enum.
> >
> Hi Jiaxun,
> Do you mean to modify it as follows?
>
> enum boot_memtype {
> BOOT_MEM_RAM,
> BOOT_MEM_ROM_DATA,
> BOOT_MEM_RESERVED,
> BOOT_MEM_NOMAP,
> };

that's not worth the effort, we should convert from add_memory_region
to direct memblock_XXX calls and get rid of MIPS boot mem completely.

Thomas.

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