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SubjectRe: [PATCH 2/2 v2] gpio: sim: simplify code with cleanup helpers
On Fri, Aug 11, 2023 at 04:28:38PM +0200, Bartosz Golaszewski wrote:
> On Fri, Aug 11, 2023 at 4:24 PM Andy Shevchenko
> <andriy.shevchenko@linux.intel.com> wrote:
> > On Fri, Aug 11, 2023 at 03:14:27PM +0200, Bartosz Golaszewski wrote:

...

> > > struct gpio_sim_device *dev = gpio_sim_bank_get_device(bank);
> > > struct gpio_sim_chip_name_ctx ctx = { bank->swnode, page };
> > > - int ret;
> > >
> > > - mutex_lock(&dev->lock);
> > > + guard(mutex)(&dev->lock);
> > > +
> > > if (gpio_sim_device_is_live_unlocked(dev))
> > > - ret = device_for_each_child(&dev->pdev->dev, &ctx,
> > > - gpio_sim_emit_chip_name);
> > > - else
> > > - ret = sprintf(page, "none\n");
> > > - mutex_unlock(&dev->lock);
> > > + return device_for_each_child(&dev->pdev->dev, &ctx,
> > > + gpio_sim_emit_chip_name);
> > >
> > > - return ret;
> > > + return sprintf(page, "none\n");
> >
> > I looked at the original and at the change and maybe it could be done as
> >
>
> What's the difference?!
>
> > struct device *parent = &dev->pdev->dev; // Naming?
> > bool live;
> >
> > live = gpio_sim_device_is_live_unlocked(dev);
> > if (!live)
> > return sprintf(page, "none\n");
> >
> > return device_for_each_child(parent, &ctx, gpio_sim_emit_chip_name);

No wrapped lines.

--
With Best Regards,
Andy Shevchenko


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