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udev configuration

DISCUSSION Bryan O'Donoghue 2 participants 2 messages Mar 30, 2012

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Greetings list.

I'm booting a yocto image a "core-image-minimal" and I've noticed that not all of the serial ports have entries in /dev. More generally for hardware coming down the line, I'd like to know how/where the configuration for udev is supposed to go in a yocto BSP.

I can't see anything obvious in the meta-intel BSPs but, there must be some way (probably very obvious way) of setting up the udev script to do what you'd typically want to do ?

#1 lore raw

Op 30 mrt. 2012, om 05:15 heeft Bryan O'Donoghue het volgende geschreven:

Quoted 3 lines

Greetings list.

I'm booting a yocto image a "core-image-minimal" and I've noticed that not all of the serial ports have entries in /dev. More generally for hardware coming down the line, I'd like to know how/where the configuration for udev is supposed to go in a yocto BSP.

For creating device nodes udev doesn't have a config anymore, it's all handled by the kernel using devtmpfs. I suspect not all serial ports are enabled in the kernel.

regards,

Koen