[lkml]   [2018]   [Apr]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] spi: mediatek: remove redundant MODULE_ALIAS entries
On Wed, Mar 28, 2018 at 11:09:03AM +0800, Sean Wang wrote:
> On Wed, 2018-03-28 at 10:14 +0800, Mark Brown wrote:
> > On Mon, Mar 26, 2018 at 06:04:18PM +0800, wrote:
> > > From: Sean Wang <>

> > > MODULE_ALIAS exports information to allow the module to be auto-loaded at
> > > boot for the drivers registered using legacy platform registration.

> > > However, currently the driver is always used by DT-only platform,
> > > MODULE_ALIAS is redundant and should be removed properly.

> > There is no meaningful cost to having the alias there, why remove it?

> It's no explicitly improved to the driver, it only takes less bytes
> in .secion modinfo from 644 bytes to 620 bytes in the observation with
> objdump.

OK, that's a *very* small saving though especially given the block sizes
that filesystems tend to use.

> More importantly, it seems the driver should probably refer to another
> qualified driver at the initial development, but MODULE_ALIAS is
> forgetting to be removed to meet real usage for the module autoload.

I can't parse the above, sorry.

> Even I was curious whether people for the driver know the actual purpose
> the macro it's for.

> Removing MODULE_ALIAS is just to correct the driver to where it should
> be.

To me it's the other way around - ideally platform drivers should
remember to set up the MODULE_ALIAS, just as a joining the dots thing to
make sure that things that work when the driver is built in work when
built as a module.
[unhandled content-type:application/pgp-signature]
 \ /
  Last update: 2018-04-12 18:14    [W:0.052 / U:8.704 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site