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Groups > linux.kernel > #1502338

[PATCH 4/4] power: reset: zx-reboot: Fix module autoload

From Javier Martinez Canillas <javier@osg.samsung.com>
Newsgroups linux.kernel
Subject [PATCH 4/4] power: reset: zx-reboot: Fix module autoload
Date 2016-10-17 20:40 +0200
Message-ID <stkZk-7hj-21@gated-at.bofh.it> (permalink)
References <stkZj-7hj-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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/power/reset/zx-reboot.ko | grep alias
$

After this patch:

$ modinfo drivers/power/reset/zx-reboot.ko | grep alias
alias:          of:N*T*Czte,sysctrlC*
alias:          of:N*T*Czte,sysctrl

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

---

 drivers/power/reset/zx-reboot.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/power/reset/zx-reboot.c b/drivers/power/reset/zx-reboot.c
index b0b1eb3a78c2..7549c7f74a3c 100644
--- a/drivers/power/reset/zx-reboot.c
+++ b/drivers/power/reset/zx-reboot.c
@@ -72,6 +72,7 @@ static const struct of_device_id zx_reboot_of_match[] = {
 	{ .compatible = "zte,sysctrl" },
 	{}
 };
+MODULE_DEVICE_TABLE(of, zx_reboot_of_match);
 
 static struct platform_driver zx_reboot_driver = {
 	.probe = zx_reboot_probe,
-- 
2.7.4

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Thread

[PATCH 0/4] power: reset: Fix module autoload for some platform drivers Javier Martinez Canillas <javier@osg.samsung.com> - 2016-10-17 20:40 +0200
  [PATCH 4/4] power: reset: zx-reboot: Fix module autoload Javier Martinez Canillas <javier@osg.samsung.com> - 2016-10-17 20:40 +0200
  [PATCH 1/4] power: reset: at91-reset: Fix module autoload Javier Martinez Canillas <javier@osg.samsung.com> - 2016-10-17 20:40 +0200
  Re: [PATCH 0/4] power: reset: Fix module autoload for some platform  drivers Sebastian Reichel <sre@kernel.org> - 2016-10-19 05:40 +0200

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