New w1 features.
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Cover letter [lm-sensors] [0/6] New w1 features.
Quoted 2 lines · Evgeniy Polyakov
:) because USB controller will catch interrupt about new device attached.
It does not really matter how we discover a device. I am arguing to what should be done once we know about it.
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Btw, that's what my modalias patch was doing for w1 as well.
yep. I liked your hotplug if you remember.
But you broke too many other things.
Not exactly, you just did not like a lot of things because you did not want to let go of your first design.
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If you don't bind to a driver to begin with you don't have to reconnect, do you?
And what to do with that device when there is no driver for it.
Forget about it? This is wrong. Wait for driver and rescan the bus when it is added? This is wrong.
No,don;t forget. You just add a device to the bus. Without driver, that is it.
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Do not compare w1 with USB/scsi/PCI any other "advanced" buses, this is completely different things, so they just can not be compared.
Dmitry, I see this discussion goes wrong way again... Let's continue it from technical point:
you want different w1 design - like USB for example, but it is completely wrong with w1 since
[quite previous e-mail] we can perform the search only one time, and load a driver far after it. This is a feature, which you want to remove [again], which allows such behaviour, without it you just drop the device and just can not recall later about it without full rescan.[/quote].
No, that is not what I am saying or proposing to do. When you find a device just add it to the master's bus, do not drop it. Just realize that having a family attached to it is not required. It will be just a device, without any attributes, sitting on the bus. When appropriate family driver is loaded it will scan all devices (rather in-kernel representation of them) and bind to ones it supports. Just like every other bus.
Am I still being unclear as to what I propose?
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Dmitry