On Thursday 11 August 2022 18:08:46 Simon Glass wrote: > Hi Pali, > > On Thu, 11 Aug 2022 at 08:50, Pali Rohár <p...@kernel.org> wrote: > > > > On Thursday 11 August 2022 08:47:50 Simon Glass wrote: > > > > diff --git a/include/stdio_dev.h b/include/stdio_dev.h > > > > index 270fa2729fb2..06278366ae88 100644 > > > > --- a/include/stdio_dev.h > > > > +++ b/include/stdio_dev.h > > > > @@ -37,6 +37,10 @@ struct stdio_dev { > > > > void (*putc)(struct stdio_dev *dev, const char c); > > > > /* To put a string (accelerator) */ > > > > void (*puts)(struct stdio_dev *dev, const char *s); > > > > +#ifdef CONFIG_CONSOLE_FLUSH_SUPPORT > > > > > > I'd argue it isn't worth the #ifdef and we might as well have this > > > member here always. Then you can drop some #ifdefs from your code. > > > > But then it will increase binary code size. > > Using the member will increase code size. But I think the only place > you need an #ifdef for that is when you include it in the driver > struct. You can use __maybe_unused in the other place. > > Having the member will only increase memory usage, not code size.
But static memory structures are part of the u-boot.bin binary and also their usage increase code size (required copy, etc...), so at the end it increase code size. > Regards, > Simon