Hi all,
I'm currently writing a very simple USB driver for a printer.
I've a few rookie questions that I hope you guys can give me some
pointers.
First of all, I decide not to use MOD_INC_USE_COUNT/MOD_DEC_USE_COUNT
coz I read it somewhere that it's no longer necessary if I define
On Mon, 14 Jul 2003, Gary Ng wrote:
Hi all,
I'm currently writing a very simple USB driver for a printer.
I've a few rookie questions that I hope you guys can give me some
pointers.
Okay. But bear in mind that there already is a USB printer driver.
First of all, I decide not to use
Thank you so much for such a detail explaination.
If I understand correctly, after I open() a device
and then unplug the device, I should still have
the device structure hanging around somewhere in
the memory and that should be disallocated upon close()
called on the same fd. In this case, if I
Note that on SMP architectures there is a race between open() and
disconnect(). You will have to use a static semaphore to prevent the
possibility of someone calling open() (thereby trying to access your data
structures) at the same time a disconnect() occurs (thereby freeing
those same
Am Montag, 14. Juli 2003 22:54 schrieb Gary Ng:
Thank you so much for such a detail explaination.
If I understand correctly, after I open() a device
and then unplug the device, I should still have
the device structure hanging around somewhere in
the memory and that should be disallocated
I see! Thanks for your help!
Regards,
Gary
--- Oliver Neukum [EMAIL PROTECTED] wrote: Am Montag, 14. Juli
2003 22:54 schrieb Gary Ng:
Thank you so much for such a detail explaination.
If I understand correctly, after I open() a device
and then unplug the device, I should still have