Re: [PATCH 1/4] i2c: designware: Create shared header hosting driver name

From: Andy Shevchenko
Date: Thu Apr 25 2024 - 05:21:32 EST


On Thu, Apr 25, 2024 at 11:33:02AM +0300, Jarkko Nikula wrote:
> On 4/24/24 2:59 AM, Andy Shevchenko wrote:
> > Tue, Apr 23, 2024 at 04:36:19PM -0700, Florian Fainelli kirjoitti:
> > > We have a number of drivers that reference the string "i2c_designware"
> > > yet this is copied all over the places with opportunities for this
> > > string being mis-used. Create a shared header that defines this as a
> > > constant that other drivers can reference.

..

> > > #include <linux/i2c.h>
> > > +#include <linux/i2c-designware.h>
> >
> > Can it be hidden in the subfolder?

..

> > > -#define DRIVER_NAME "i2c-designware-pci"
> > > +#define DRIVER_NAME I2C_DESIGNWARE_NAME "-pci"
> >
> > Oh, this makes all the things hard to read.
> >
> > > /* Work with hotplug and coldplug */
> > > -MODULE_ALIAS("i2c_designware-pci");
> > > +MODULE_ALIAS(DRIVER_NAME);
> >
> > I believe we shouldn't use MODULE_ALIAS() without real justification.
> >
> I think MODULE_ALIAS() is even needless here since this device is not added
> from another driver but loaded only for known PCI IDs in device table.

The patch that removes it got reverted :-( and then removed completely from PR.

--
With Best Regards,
Andy Shevchenko