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mmc: add MODALIAS linkage for MMC/SD devices
Currently we are using an explicit udev rule to trigger loading of the mmc-block module when an MMC or SD card is detected: SUBSYSTEM=="mmc", RUN+="/sbin/modprobe -Qba mmc-block" It makes much more sense for the mmc bus driver and the mmc-block module to share MODALIAS information so that they are linked automatically. There is no real information of use in the MMC system at the current time. All devices inserted require us to load the mmc-block device. Until such time as useful parameters exist simply reflect the module linkage via the module alias below: mmc:block Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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@ -41,6 +41,8 @@
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#include "queue.h"
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MODULE_ALIAS("mmc:block");
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/*
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* max 8 partitions per card
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*/
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@ -84,6 +84,14 @@ mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
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}
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retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
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if (retval)
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return retval;
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/*
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* Request the mmc_block device. Note: that this is a direct request
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* for the module it carries no information as to what is inserted.
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*/
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retval = add_uevent_var(env, "MODALIAS=mmc:block");
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return retval;
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}
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