Messages in this thread Patch in this message | | | From | Javier Martinez Canillas <> | Subject | [PATCH v2] hwrng: meson: Fix module autoload for OF registration | Date | Mon, 17 Oct 2016 16:51:17 -0300 |
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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/char/hw_random/meson-rng.ko | grep alias alias: platform:meson-rng
After this patch:
$ modinfo drivers/char/hw_random/meson-rng.ko | grep alias alias: platform:meson-rng alias: of:N*T*Camlogic,meson-rngC* alias: of:N*T*Camlogic,meson-rng
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
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Changes in v2: - Remove unrelated changes added by mistake. Suggested by Jason Gunthorpe.
drivers/char/hw_random/meson-rng.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/char/hw_random/meson-rng.c b/drivers/char/hw_random/meson-rng.c index 58bef39f7286..51864a509be7 100644 --- a/drivers/char/hw_random/meson-rng.c +++ b/drivers/char/hw_random/meson-rng.c @@ -110,6 +110,7 @@ static const struct of_device_id meson_rng_of_match[] = { { .compatible = "amlogic,meson-rng", }, {}, }; +MODULE_DEVICE_TABLE(of, meson_rng_of_match); static struct platform_driver meson_rng_driver = { .probe = meson_rng_probe, -- 2.7.4
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