RE: [tegrarcm PATCH 2/2] tegrarcm: Add support for loading MTS

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Thierry Reding wrote at Wednesday, March 11, 2015 4:46 AM:
> On Tue, Jan 13, 2015 at 04:20:02PM -0800, Jimmy Zhang wrote:
> > From: Allen Martin <amartin@xxxxxxxxxx>
> >
> > The Denver CPU in Tegra132 requires microcode to be loaded before CPU
> > initialization.  There are two microcode files required, "preboot" MTS
> > and MTS proper.  Add support for loading MTS from either the binary
> > versions checked in or from the command line.

> > @@ -117,6 +131,16 @@ static void usage(char *progname)
> >  	fprintf(stderr, "\t\tminiloader\n");
> >  	fprintf(stderr, "\t--miniloader_entry=<mlentry>\n");
> >  	fprintf(stderr, "\t\tSpecify the entry point for the miniloader\n");
> > +	fprintf(stderr, "\t--preboot=pbfile\n");
> > +	fprintf(stderr, "\t\tRead the preboot mts ucode from file instead of using built-in\n");
> > +	fprintf(stderr, "\t\tpreboot mts\n");
> > +	fprintf(stderr, "\t--preboot_entry=<pbentry>\n");
> 
> Can we please change this to --preboot-entry...
> 
> > +	fprintf(stderr, "\t\tSpecify the entry point for the preboot mts ucode\n");
> > +	fprintf(stderr, "\t--mts=mtsfile\n");
> > +	fprintf(stderr, "\t\tRead the mts ucode from file instead of using built-in\n");
> > +	fprintf(stderr, "\t\tmts\n");
> > +	fprintf(stderr, "\t--mts_entry=<mtsentry>\n");
> 
> and this to --mts-entry? I know we've used underscores in the past, but
> they are very unconventional in command-line options and I mistype them
> every time.
> 
> I have local patches to convert the existing command-line options from
> underscores to dashes as well. I'll send those out after these patches
> have been applied.

I think it makes sense to accept dashes instead of underscores, but we shouldn't remove support for the existing cmdline options, so that the tool remains backwards-compatible with any scripts anyone has, and their muscle memory.
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