[yocto] Enabling SD Card Detection for USB SD Card Reader

[Tom Gibson]

Hi,

We would like to enable our Yocto distribution to auto-detect when an SD card is inserted in a USB SD card reader, in much the same way as a card is detected on desktop linux such as Ubuntu. We have got our USB card reader working with the generic-storage driver, but at the moment we have to do something like 'fdisk -l' to refresh the attached storage after a card is inserted or removed in order for it to it to be listed in /dev. The card reader shows up as /dev/sda regardless of whether there is a card present or not, but the partition on the card only shows up as /dev/sda1 after forcing the refresh.

Any pointers towards which service we need to install to enable this functionality appreciated!

Regards,

Tom Gibson
C Software Limited

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