Re: [UPDATED PATCH] pcmcia: add bus_type pcmcia_bus_type, struct pcmcia_driver

Dominik Brodowski (
Sun, 2 Mar 2003 22:06:22 +0100

On Sun, Mar 02, 2003 at 02:37:26PM -0500, John Weber wrote:
> Dominik Brodowski wrote:
> >This patch adds a new bus_type pcmcia_bus_type, and registers all pcmcia
> >drivers with this bus within the old register_pccard_driver()
> >function.
> >
> >Alternatively, a new registration function "pcmcia_register_driver()"
> >(and its counterpart, "pcmcia_unregister_driver()") can be used --
> >the pcnet_cs.c driver is converted as an example.
> >
> >This updated version fixes the compilation breakage seen with gcc-2.95.3
> >because of incompatible C99 initializers (sorry, Russell).
> I've applied this patch, and have run the kernel for a few days without
> problems.


> Do you have an example driver ported to this new api? I can help
> convert drivers.

That's great. However, this depends on Linus merging my patch. And it may
well be (and I even suggest this) that he takes Russell King's pcmcia/cardbus
patches first.

The actual changes (in this step of getting rid of cardmgr) are quite few,
the larger ones will follow later:

there's a register_pccard_driver() call and a register_pccard_driver
somewhere in the pcmcia drivers. forget the first parameter (&dev_info most
of the time), the second one becomes the .attach call, the third one the
.detach call in a

static struct pcmcia_driver dummy_driver = {
.drv = {
.name = "dummy_cs",
.attach = dummy_attach,
.detach = dummy_detach,
.owner = THIS_MODULE,

Then replace the {un,}register_pccard_driver() with
pcmcia_{un,}register_driver(&dummy_driver), respectively.

A sample conversion for the drivers/net/pcmcia/pcnet_cs.c driver can be
found within the patch you replied to, btw.

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