Re: [GIT *] Allow request_firmware() to be satisfied from in-kernel, use it in more drivers.

Rafael J. Wysocki
2008-07-15T23:43:57Z

On Tuesday, 15 of July 2008, David Woodhouse wrote:
> On Tue, 2008-07-15 at 13:49 -0700, David Woodhouse wrote:
> > Sam, why do we have FORCE on the rules for $(hostprogs-y)? It forces the
> > ihex2fw tool to be rebuilt, which in turn forces all .HEX->.fw
> > conversions to happen again, which means that 'make modules_install'
> > wants to write to the source tree. That's a problem in some strange
> > situations like Rafael's, where he builds on another host and exports
> > the tree read-only by NFS.
> >
> > Can we do this? ...
>
> Alternatively, Rafael, does this do it for you?

No, it doesn't.

> --- a/firmware/Makefile
> +++ b/firmware/Makefile
> @@ -150,11 +150,11 @@ $(obj)/%: $(obj)/%.ihex | $(objtree)/$(obj)/$$(dir %)
> # is actually meaningful, because the firmware has to be loaded in a certain
> # order rather than as a single binary blob. Thus, we convert them into our
> # more compact binary representation of ihex records (<linux/ihex.h>)
> -$(obj)/%.fw: $(obj)/%.HEX $(obj)/ihex2fw | $(objtree)/$(obj)/$$(dir %)
> +$(obj)/%.fw: $(obj)/%.HEX | $(obj)/ihex2fw $(objtree)/$(obj)/$$(dir %)
> $(call cmd,ihex2fw)
>
> # .H16 is our own modified form of Intel HEX, with 16-bit length for records.
> -$(obj)/%.fw: $(obj)/%.H16 $(obj)/ihex2fw | $(objtree)/$(obj)/$$(dir %)
> +$(obj)/%.fw: $(obj)/%.H16 | $(obj)/ihex2fw $(objtree)/$(obj)/$$(dir %)
> $(call cmd,h16tofw)
>
> $(firmware-dirs):
>

Rafael