Re: [patch] input: Add PCI PS/2 controller support [5/13]

From: Oliver Neukum (oliver@neukum.org)
Date: Sat Jun 14 2003 - 15:51:51 EST

> +static int pcips2_write(struct serio *io, unsigned char val)
> +{
> + struct pcips2_data *ps2if = io->driver;
> + unsigned int stat;
> +
> + do {
> + stat = inb(ps2if->base + PS2_STATUS);
> + cpu_relax();
> + } while (!(stat & PS2_STAT_TXEMPTY));

What will happen if somebody unplugs the base station while this
is running?

        Regards
                Oliver

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