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Groups > linux.kernel > #1549160
| From | Javier Martinez Canillas <javier@osg.samsung.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] bus: arm-ccn: Fix module autoload |
| Date | 2017-01-02 14:10 +0100 |
| Message-ID | <sVaxc-7dZ-41@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
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/bus/arm-ccn.ko | grep alias
$
After this patch:
$ modinfo drivers/bus/arm-ccn.ko | grep alias
alias: of:N*T*Carm,ccn-504C*
alias: of:N*T*Carm,ccn-504
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
---
drivers/bus/arm-ccn.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c
index 4d6a2b7e4d3f..80758f6fdaa5 100644
--- a/drivers/bus/arm-ccn.c
+++ b/drivers/bus/arm-ccn.c
@@ -1547,6 +1547,7 @@ static const struct of_device_id arm_ccn_match[] = {
{ .compatible = "arm,ccn-504", },
{},
};
+MODULE_DEVICE_TABLE(of, arm_ccn_match);
static struct platform_driver arm_ccn_driver = {
.driver = {
--
2.7.4
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[PATCH] bus: arm-ccn: Fix module autoload Javier Martinez Canillas <javier@osg.samsung.com> - 2017-01-02 14:10 +0100
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