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SubjectRe: [PATCH v2] console: console: Complete exception handling in newport_probe()
On Thu, Apr 23, 2020 at 5:55 PM Bartlomiej Zolnierkiewicz
<b.zolnierkie@samsung.com> wrote:

> > + if (err)
> > + iounmap((void *)npregs);
>
> Looks OK but while you are at it, could you please also add missing
> release_mem_region() on error and on device removal:
>
> newport_addr = dev->resource.start + 0xF0000;
> if (!request_mem_region(newport_addr, 0x10000, "Newport"))
> return -ENODEV;
>
> npregs = (struct newport_regs *)/* ioremap cannot fail */
> ioremap(newport_addr, sizeof(struct newport_regs));
> console_lock();
> err = do_take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1);
> console_unlock();
> return err;
> }
>
> static void newport_remove(struct gio_device *dev)
> {
> give_up_console(&newport_con);
> iounmap((void *)npregs);
> }
>
> ?

Don't you think that proper solution is rather switch to memremap()?

> > return err;
> > }

--
With Best Regards,
Andy Shevchenko

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