[PATCH] iio: adc: imx25-gcq: Fix module autoload

From: Javier Martinez Canillas
Date: Mon Jan 02 2017 - 07:46:03 EST


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/iio/adc/fsl-imx25-gcq.ko | grep alias
$

After this patch:

$ modinfo drivers/iio/adc/fsl-imx25-gcq.ko | grep alias
alias: of:N*T*Cfsl,imx25-gcqC*
alias: of:N*T*Cfsl,imx25-gcq

Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
---

drivers/iio/adc/fsl-imx25-gcq.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/fsl-imx25-gcq.c b/drivers/iio/adc/fsl-imx25-gcq.c
index 72b32c1ab257..ea264fa9e567 100644
--- a/drivers/iio/adc/fsl-imx25-gcq.c
+++ b/drivers/iio/adc/fsl-imx25-gcq.c
@@ -401,6 +401,7 @@ static const struct of_device_id mx25_gcq_ids[] = {
{ .compatible = "fsl,imx25-gcq", },
{ /* Sentinel */ }
};
+MODULE_DEVICE_TABLE(of, mx25_gcq_ids);

static struct platform_driver mx25_gcq_driver = {
.driver = {
--
2.7.4