If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/power/reset/zx-reboot.ko | grep alias
$
After this patch:
$ modinfo drivers/power/reset/zx-reboot.ko | grep alias
alias: of:N*T*Czte,sysctrlC*
alias: of:N*T*Czte,sysctrl
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
{ .compatible = "zte,sysctrl" },
{}
};
+MODULE_DEVICE_TABLE(of, zx_reboot_of_match);
static struct platform_driver zx_reboot_driver = {
.probe = zx_reboot_probe,