On Wed, Jun 26, 2013 at 05:00:34PM +0200, Sylwester Nawrocki wrote:
> Hi,
>
> On 06/25/2013 05:06 PM, Felipe Balbi wrote:
> >> +static struct platform_driver exynos_video_phy_driver = {
> >> > + .probe = exynos_video_phy_probe,
> >
> > you *must* provide a remove method. drivers with NULL remove are
> > non-removable :-)
>
> Actually the remove() callback can be NULL, it's just missing module_exit
> function that makes a module not unloadable.
look at the implementation of platform_drv_remove():
499 static int platform_drv_remove(struct device *_dev)
500 {
501 struct platform_driver *drv = to_platform_driver(_dev->driver);
502 struct platform_device *dev = to_platform_device(_dev);
503 int ret;
504
505 ret = drv->remove(dev);
506 if (ACPI_HANDLE(_dev))
507 acpi_dev_pm_detach(_dev, true);
508
509 return ret;
510 }
that's not a conditional call right :-)
--
balbi
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