On Mon, Jul 22, 2019 at 10:40 PM Arnd Bergmann <a...@arndb.de> wrote: > > On Sun, Jul 21, 2019 at 4:25 PM Masahiro Yamada > <yamada.masah...@socionext.com> wrote: > > > > struct snd_sof_blk_hdr { > > enum snd_sof_fw_blk_type type; > > - uint32_t size; /* bytes minus this header */ > > - uint32_t offset; /* offset from base */ > > + __u32 size; /* bytes minus this header */ > > + __u32 offset; /* offset from base */ > > } __packed; > > > > On a related note: Using an 'enum' in an ABI structure is not portable > across architectures. This is probably fine in a UAPI as long as user > and kernel space agree on the size of an enum, but if the same > structure is used to talk to the firmware, it won't work on architectures > that have a different size for the first field.
Both comments from Arnd make sense. If this header does not need to be in uapi/, moving it out is fine. But, looks like Mark has already picked up this. (His review is so quick) -- Best Regards Masahiro Yamada