On Friday 18 December 2015 15:41:10 Simon Glass wrote: > Hi, > > On 17 December 2015 at 18:07, Stefan Brüns <[email protected]> wrote: > > The configuration descriptor includes all interface, endpoint and > > auxiliary descriptors (e.g. report, union) so 512 bytes may not be enough. > > > > Signed-off-by: Stefan Brüns <[email protected]> > > --- > > > > common/usb.c | 41 +++++++++++++++++++++++++++-------------- > > include/usb.h | 5 +++-- > > 2 files changed, 30 insertions(+), 16 deletions(-) > > Won't this call malloc() on every request? Can we avoid that?
This only affects the configuration descriptor, so one allocation per device. One could use a stack allocated buffer for small, e.g. 512 bytes, descriptors, and use dynamic allocation only for larger one, but I don't think this is worth the effort. Kind regards, Stefan -- Stefan Brüns / Bergstraße 21 / 52062 Aachen home: +49 241 53809034 mobile: +49 151 50412019 work: +49 2405 49936-424 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
