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SubjectRe: [PATCH 09/27] mtd: nand: pxa3xx: show device structure in sysfs
On Fri, Aug 08, 2014 at 02:04:28PM -0300, Ezequiel Garcia wrote:
> Picking on this old thread...
>
> On 27 May 07:12 AM, Alexander Shiyan wrote:
> > > diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
> > > index 7588fe2..7f62e7c 100644
> > > --- a/drivers/mtd/nand/pxa3xx_nand.c
> > > +++ b/drivers/mtd/nand/pxa3xx_nand.c
> > > @@ -1584,8 +1584,7 @@ static int alloc_nand_resource(struct platform_device *pdev)
> > > host->mtd = mtd;
> > > host->cs = cs;
> > > host->info_data = info;
> > > - mtd->priv = host;
> > > - mtd->owner = THIS_MODULE;
> > > + mtd_setup_common_members(mtd, host, pdev);
> > >
> > > chip->ecc.read_page = pxa3xx_nand_read_page_hwecc;
> > > chip->ecc.write_page = pxa3xx_nand_write_page_hwecc;
> > > --
> >
> > Should we add "driver.owner = THIS_MODULE" field for struct platform_driver in this case?
> >
>
> As far as I can see, for platform drivers, the owner of the driver is fixed to
> THIS_MODULE in __platform_driver_register().

Looks like it. So any driver using module_platform_driver() or
platform_driver_register() and also initializes
platform_driver.driver.owner is just being redundant.

Maybe another "cleanup" project for Jingoo Han? ;)

> If there's anything left to fix for this driver, please let me know.

pxa3xx_nand is still missing a parent for its MTD's (mtd->dev.parent). I
have a follow-up patch queued up locally that I need to send out
sometime.

Brian


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