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Date:   Fri, 14 Aug 2020 22:52:20 +0000
From:   "Verma, Vishal L" <vishal.l.verma@...el.com>
To:     "Williams, Dan J" <dan.j.williams@...el.com>,
        "rafael@...nel.org" <rafael@...nel.org>,
        "wangqing@...o.com" <wangqing@...o.com>
CC:     "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "Jiang, Dave" <dave.jiang@...el.com>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Weiny, Ira" <ira.weiny@...el.com>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>
Subject: Re: [PATCH] acpi/nfit: Use kobj_to_dev() instead

On Fri, 2020-08-14 at 17:28 +0200, Rafael J. Wysocki wrote:
> On Thu, Aug 13, 2020 at 4:54 AM Wang Qing <wangqing@...o.com> wrote:
> > Use kobj_to_dev() instead of container_of()
> > 
> > Signed-off-by: Wang Qing <wangqing@...o.com>
> 
> LGTM
> 
> Dan, any objections?

Looks good to me - you can add:
Acked-by: Vishal Verma <vishal.l.verma@...el.com>
> 
> > ---
> >  drivers/acpi/nfit/core.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
> > index fa4500f..3bb350b
> > --- a/drivers/acpi/nfit/core.c
> > +++ b/drivers/acpi/nfit/core.c
> > @@ -1382,7 +1382,7 @@ static bool ars_supported(struct nvdimm_bus *nvdimm_bus)
> > 
> >  static umode_t nfit_visible(struct kobject *kobj, struct attribute *a, int n)
> >  {
> > -       struct device *dev = container_of(kobj, struct device, kobj);
> > +       struct device *dev = kobj_to_dev(kobj);
> >         struct nvdimm_bus *nvdimm_bus = to_nvdimm_bus(dev);
> > 
> >         if (a == &dev_attr_scrub.attr && !ars_supported(nvdimm_bus))
> > @@ -1667,7 +1667,7 @@ static struct attribute *acpi_nfit_dimm_attributes[] = {
> >  static umode_t acpi_nfit_dimm_attr_visible(struct kobject *kobj,
> >                 struct attribute *a, int n)
> >  {
> > -       struct device *dev = container_of(kobj, struct device, kobj);
> > +       struct device *dev = kobj_to_dev(kobj);
> >         struct nvdimm *nvdimm = to_nvdimm(dev);
> >         struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
> > 
> > --
> > 2.7.4
> > 

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