Re: /proc/interrupts and serial

Thomas Davis (tadavis@lbl.gov)
Tue, 06 Oct 1998 13:06:35 -0700


Etienne Lorrain wrote:
> /dev/ttyS* is open - ioports are permanently reserved.

and permanently is wrong.

if pcmcia calls the serial_register, and then the serial_deregister
function,
the ioports are still reserved, even though the hardware may be _gone_.

that's not right, is it?

Shouldn't serial.c release the io-range when you remove the cards, and
not keep it around? Makes it impossible for another driver to access
those ioports.

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