On Mon, Aug 13, 2012 at 04:20:32PM -0400, Matthew Garrett wrote:
> +static int gmux_index_wait_ready(struct apple_gmux_data *gmux_data)
> +{
> + int i = 200;
> + u8 gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE);
> +
> + while (i && (gwr & 0x01)) {
> + inb(gmux_data->iostart + GMUX_PORT_READ);
> + gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE);
> + msleep(100);
Wouldn't it make more sense if the msleep was before reading the port
again? Otherwise there's no substantial dely between the first and
second times we read it.
> +static int gmux_index_wait_complete(struct apple_gmux_data *gmux_data)
> +{
> + int i = 200;
> + u8 gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE);
> +
> + while (i && (gwr & 0x01)) {
> + gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE);
> + msleep(100);
Likewise.
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