[PATCH 1/1] riscv: define find_{first,next}_zero_bit in asm/bitops.h

[Maxim Kochetkov]

27.07.2024 13:35, E Shattow wrote:
> Is this a problem in Linux upstream? or specific to U-Boot, and is it
> a regression?
> 
> refrerence https://lore.kernel.org/u-boot/20240504183354.GL2568172@bill-the-cat/
> and reference https://lore.kernel.org/u-boot/BJXPR01MB0855813DD38EF86CCA6DD5C8E6E92@BJXPR01MB0855.CHNPR01.prod.partner.outlook.cn/
> 

It is very similar. But it comes from

In file included from 
/home/maximus/git/yadro/ymp-build/u-boot/include/linux/usb/composite.h:26,
                  from 
/home/maximus/git/yadro/ymp-build/u-boot/include/g_dnl.h:12,
                  from 
/home/maximus/git/yadro/ymp-build/u-boot/cmd/fastboot.c:12:
/home/maximus/git/yadro/ymp-build/u-boot/include/linux/bitmap.h: In 
function ‘bitmap_find_next_zero_area’:
/home/maximus/git/yadro/ymp-build/u-boot/include/linux/bitmap.h:170:17: 
error: implicit declaration of function ‘find_next_zero_bit’; did you 
mean ‘find_next_bit’? [-Wimplicit-function-declaration]
   170 |         index = find_next_zero_bit(map, size, start);
       |                 ^~~~~~~~~~~~~~~~~~
       |                 find_next_bit

I've just tried v2024.07 and master.

I tried to drop #include <linux/bitmap.h> from composite.h, but it fails 
on usb gadget compilation:

   CC      drivers/usb/gadget/g_dnl.o
In file included from 
/home/maximus/git/yadro/ymp-build/u-boot/drivers/usb/gadget/g_dnl.c:24:
/home/maximus/git/yadro/ymp-build/u-boot/drivers/usb/gadget/composite.c: 
In function ‘reset_config’:
/home/maximus/git/yadro/ymp-build/u-boot/drivers/usb/gadget/composite.c:362:17: 
error: implicit declaration of function ‘bitmap_zero’ 
[-Wimplicit-function-declaration]
   362 |                 bitmap_zero(f->endpoints, 32);
       |                 ^~~~~~~~~~~