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

Geert Uytterhoeven
2025-11-25T08:37:39Z

Hi Miquel,

On Tue, 25 Nov 2025 at 09:31, Miquel Raynal <miquel.raynal@bootlin.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@linux-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