linux-kernel - [PATCH 2/7] net: ethernet: nb8800: Fix module autoload

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Message-Id: <1476713146-26632-3-git-send-email-javier@osg.samsung.com>
Date:   Mon, 17 Oct 2016 11:05:41 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Javier Martinez Canillas <javier@....samsung.com>,
        Måns Rullgård <mans@...sr.com>,
        netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Jarod Wilson <jarod@...hat.com>, Arnd Bergmann <arnd@...db.de>,
        Sebastian Frias <sf84@...oste.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Philippe Reynes <tremyfr@...il.com>
Subject: [PATCH 2/7] net: ethernet: nb8800: 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/aurora/nb8800.ko | grep alias
$

After this patch:

$ modinfo drivers/net/ethernet/aurora/nb8800.ko | grep alias
alias:          of:N*T*Csigma,smp8734-ethernetC*
alias:          of:N*T*Csigma,smp8734-ethernet
alias:          of:N*T*Csigma,smp8642-ethernetC*
alias:          of:N*T*Csigma,smp8642-ethernet
alias:          of:N*T*Caurora,nb8800C*
alias:          of:N*T*Caurora,nb8800

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

 drivers/net/ethernet/aurora/nb8800.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
index 453dc0967125..d5f2ad1a5a30 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -1357,6 +1357,7 @@ static const struct of_device_id nb8800_dt_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(of, nb8800_dt_ids);
 
 static int nb8800_probe(struct platform_device *pdev)
 {
-- 
2.7.4