[U-Boot] [PATCH 7/8] mtd/nand/ubi: assortment of alignment fixes

Marek Vasut
2015-07-06T21:57:00Z

On Monday, July 06, 2015 at 11:50:39 PM, Scott Wood wrote:
> On Mon, 2015-07-06 at 23:45 +0200, Marek Vasut wrote:
> > On Monday, July 06, 2015 at 11:25:35 PM, Scott Wood wrote:
> > > On Fri, 2015-07-03 at 15:44 +0200, Marek Vasut wrote:
> > > > This is what memalign(3) has
> > > >
> > > > to say:
> > > >
> > > > "
> > > > The function posix_memalign() allocates size bytes and places the
> > > > address of the allocated memory in *memptr. The address of the
> > > > allo? cated memory will be a multiple of alignment, which must
> > > > be a power of two and a multiple of sizeof(void *). If size is 0,
> > > > then the value placed in *memptr is either NULL, or a unique pointer
> > > > value that can later be successfully passed to free(3).
> > > >
> > > > The obsolete function memalign() allocates size bytes and returns a
> > > > pointer to the allocated memory. The memory address will be a mul?
> > > > tiple of alignment, which must be a power of two.
> > > > "
> > >
> > > posix_memalign() does not exist in U-Boot, and it's not clear to me why
> > > memalign() should be considered obsolete. Is the difference just the
> > > ability to return -EINVAL?
> >
> > The args are also totally different.
>
> ...in order to accommodate returning an error value.

... of course.

Best regards,
Marek Vasut