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Groups > linux.kernel > #1502161

[PATCH 1/2] mmc: mediatek: Fix module autoload

From Javier Martinez Canillas <javier@osg.samsung.com>
Newsgroups linux.kernel
Subject [PATCH 1/2] mmc: mediatek: Fix module autoload
Date 2016-10-17 18:20 +0200
Message-ID <stiNP-5MT-15@gated-at.bofh.it> (permalink)
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/mmc/host/mtk-sd.ko | grep alias
$

After this patch:

$ modinfo drivers/mmc/host/mtk-sd.ko | grep alias
alias:          of:N*T*Cmediatek,mt8135-mmcC*
alias:          of:N*T*Cmediatek,mt8135-mmc

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

 drivers/mmc/host/mtk-sd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 84e9afcb5c09..86af0b199a54 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -1713,6 +1713,7 @@ static const struct of_device_id msdc_of_ids[] = {
 	{   .compatible = "mediatek,mt8135-mmc", },
 	{}
 };
+MODULE_DEVICE_TABLE(of, msdc_of_ids);
 
 static struct platform_driver mt_msdc_driver = {
 	.probe = msdc_drv_probe,
-- 
2.7.4

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[PATCH 1/2] mmc: mediatek: Fix module autoload Javier Martinez Canillas <javier@osg.samsung.com> - 2016-10-17 18:20 +0200
  [PATCH 2/2] mmc: sdhci-of-at91: Fix module autoload Javier Martinez Canillas <javier@osg.samsung.com> - 2016-10-17 18:20 +0200
    Re: [PATCH 2/2] mmc: sdhci-of-at91: Fix module autoload Ludovic Desroches <ludovic.desroches@atmel.com> - 2016-10-21 08:50 +0200
      Re: [PATCH 2/2] mmc: sdhci-of-at91: Fix module autoload Adrian Hunter <adrian.hunter@intel.com> - 2016-10-21 09:30 +0200
    Re: [PATCH 2/2] mmc: sdhci-of-at91: Fix module autoload Ulf Hansson <ulf.hansson@linaro.org> - 2016-10-21 10:30 +0200
  Re: [PATCH 1/2] mmc: mediatek: Fix module autoload Ulf Hansson <ulf.hansson@linaro.org> - 2016-10-21 10:30 +0200

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