Messages in this thread | | | Date | Mon, 22 Feb 2010 21:24:58 +0000 | From | Alan Cox <> | Subject | Re: [REGRESSION] "USB: use kfifo to buffer usb-generic serial writes" causes gobi_loader to hang |
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> Yes, but does the tty interface guarantee that the data of one write call is > sent as one packet to the device?
Not usually but it can do. At least the core tty code supports this for suitable ldiscs.
> If I understood this correctly, it seems the changes have caused it to now > concatenate short writes into one packet, which the device doesn't seem to > like.
If the device wants exactly bounded packets then for the firmware loader tty is probably the wrong interface.
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