netdev - [PATCH 1/7] net: nps_enet: Fix module autoload

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Date:   Mon, 17 Oct 2016 11:05:40 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Javier Martinez Canillas <javier@....samsung.com>,
        Arnd Bergmann <arnd@...db.de>,
        Lada Trimasova <Lada.Trimasova@...opsys.com>,
        Noam Camus <noamca@...lanox.com>,
        Elad Kanfi <eladkan@...lanox.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Gilad Ben-Yossef <giladby@...lanox.com>
Subject: [PATCH 1/7] net: nps_enet: Fix module autoload

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/net/ethernet/ezchip/nps_enet.ko | grep alias
$

After this patch:

$ modinfo drivers/net/ethernet/ezchip/nps_enet.ko | grep alias
alias:          of:N*T*Cezchip,nps-mgt-enetC*
alias:          of:N*T*Cezchip,nps-mgt-enet

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
---

 drivers/net/ethernet/ezchip/nps_enet.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
index f928e6f79c89..223f35cc034c 100644
--- a/drivers/net/ethernet/ezchip/nps_enet.c
+++ b/drivers/net/ethernet/ezchip/nps_enet.c
@@ -669,6 +669,7 @@ static const struct of_device_id nps_enet_dt_ids[] = {
 	{ .compatible = "ezchip,nps-mgt-enet" },
 	{ /* Sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, nps_enet_dt_ids);
 
 static struct platform_driver nps_enet_driver = {
 	.probe = nps_enet_probe,
-- 
2.7.4