On Wed, Jun 21, 2023 at 04:05:11PM +0200, Arnd Bergmann wrote: > On Wed, Jun 21, 2023, at 15:52, Guenter Roeck wrote: > > On Tue, May 16, 2023 at 09:39:42PM +0200, Arnd Bergmann wrote: > >> From: Arnd Bergmann <arnd@xxxxxxxx> > >> > >> The unxlate_dev_mem_ptr() function has no prototype on the mips > >> architecture, which does not include asm-generic/io.h, so gcc warns > >> about the __weak definition: > >> > >> drivers/char/mem.c:94:29: error: no previous prototype for 'unxlate_dev_mem_ptr' [-Werror=missing-prototypes] > >> > >> Since everyone else already gets the generic definition or has a custom > >> one, there is not really much point in having a __weak version as well. > >> > >> Remove this one, and instead add a trivial macro to the mips header. > >> Once we convert mips to use the asm-generic header, this can go away > >> again. > >> > > > > This results in build failures when trying to build sh4 images. > > > > drivers/char/mem.c: In function 'read_mem': > > drivers/char/mem.c:164:25: error: implicit declaration of function > > 'unxlate_dev_mem_ptr' > > Odd, it looks like arch/sh/ is also missing an #include > <asm-generic/io.h> in its asm/io.h, I was sure that mips was the > only one to still not have that. > > There are already patches on the list to convert both, so I think > we'll be fine on sh after this one gets merged: > https://lore.kernel.org/all/20230609075528.9390-12-bhe@xxxxxxxxxx/ which is already taken ages, so I'm not that confident, that this will happen before merge window starts... Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]