On Thu, Feb 01, 2018 at 11:08:46AM +0800, Baolin Wang wrote:
> On 31 January 2018 at 22:23, Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote:
> > On Wed, Jan 31, 2018 at 4:01 AM, Baolin Wang <baolin.wang@xxxxxxxxxx> wrote:
> >> On 31 January 2018 at 00:48, Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote:
> >>> On Tue, Jan 30, 2018 at 2:07 PM, Baolin Wang <baolin.wang@xxxxxxxxxx> wrote:
> >>>> The Spreadtrum SC9860 platform GPIO controller contains 16 groups and
> >>>> each group contains 16 GPIOs. Each GPIO can set input/output and has
> >>>> the interrupt capability.
> >>>
> >>>> +config GPIO_SPRD
> >>>
> >>>> + bool "Spreadtrum GPIO support"
> >>>
> >>> Either you have to put tristate here, or remove all redundant
> >>> module_*() and MODULE_*() macros.
> >>
> >> I will remove module_*() and MODULE_*() macros in next version. Thanks
> >> for your comments.
> >
> > In that case you need to explain why driver can't be module. (And
> > don't forget to replace module.h with init.h).
>
> After more investigation, I found most GPIO dependencies can be
> deferred to probe. So I will change the GPIO driver to module level
> and change bool to tristate in next version.
Then you could replace
+static int __init sprd_gpio_init(void)
+{
+ return platform_driver_register(&sprd_gpio_driver);
+}
+subsys_initcall(sprd_gpio_init);
+
+static void __exit sprd_gpio_exit(void)
+{
+ platform_driver_unregister(&sprd_gpio_driver);
+}
+module_exit(sprd_gpio_exit);
with
module_platform_driver(sprd_gpio_driver);
>
> --
> Baolin.wang
> Best Regards
Best regards
Marcus Folkesson
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