linux-kernel - Re: linux-next: build failure after merge of the bitmap tree

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Message-ID: <CAMuHMdWDa0Fxxg=O2MiC2oM=unn9679g=JtPBQEOpZx4Y9nKgg@mail.gmail.com>
Date: Tue, 25 Nov 2025 09:37:25 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>, Yury Norov <yury.norov@...il.com>, 
	Boris Brezillon <boris.brezillon@...labora.com>, Richard Genoud <richard.genoud@...tlin.com>, 
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, 
	Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the bitmap tree

Hi Miquel,

On Tue, 25 Nov 2025 at 09:31, Miquel Raynal <miquel.raynal@...tlin.com> wrote:
> >>  /* non compile-time field get/prep */
> >> -#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
> >> -#define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))
> >> +#define sunxi_field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
> >> +#define sunxi_field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))
> >
> > See "[PATCH -next v6 11/26] mtd: rawnand: sunxi: #undef
> > field_{get,prep}() before local definition"[1] and follow-up
> > "[PATCH -next v6 24/26] mtd: rawnand: sunxi: Convert to common
> > field_{get,prep}() helpers"[2].
> > The former unfortunately didn't make it into the nand tree yet...
> >
> > [1] https://lore.kernel.org/all/703d7eec56074148daed4ea45b637f8a83f15305.1762435376.git.geert+renesas@glider.be
> > [2] https://lore.kernel.org/all/e1c879967328d8c1098aaa014845c2f11874d7c7.1762435376.git.geert+renesas@glider.be/
>
> It wasn't clear to me when/if I could effectively pull these, nor if
> they would make it for this release. Were you (or someone else) supposed
> to carry these on your own? Or, can I just apply these two now?

The first one you can apply now, to fix the build issue.
The second one has to wait until the changes to <linux/bitfield.h>
are in your tree.

Thanks!

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds