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Date:   Sat, 7 Oct 2017 22:38:00 +0000
From:   "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Javier Martinez Canillas <javier@....samsung.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
Subject: [PATCH review for 3.18 08/12] platform/x86: intel_mid_thermal: Fix
 module autoload

From: Javier Martinez Canillas <javier@....samsung.com>

[ Upstream commit a93151a72061e944a4915458b1b1d6d505c03bbf ]

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/platform/x86/intel_mid_thermal.ko | grep alias
$

After this patch:

$ modinfo drivers/platform/x86/intel_mid_thermal.ko | grep alias
alias:          platform:msic_thermal

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 drivers/platform/x86/intel_mid_thermal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/intel_mid_thermal.c b/drivers/platform/x86/intel_mid_thermal.c
index ab7860a21a22..4709206e5eed 100644
--- a/drivers/platform/x86/intel_mid_thermal.c
+++ b/drivers/platform/x86/intel_mid_thermal.c
@@ -551,6 +551,7 @@ static const struct platform_device_id therm_id_table[] = {
 	{ "msic_thermal", 1 },
 	{ }
 };
+MODULE_DEVICE_TABLE(platform, therm_id_table);
 
 static struct platform_driver mid_thermal_driver = {
 	.driver = {
-- 
2.11.0

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