On Tue, Nov 27, 2018 at 01:21:27AM +0100, Anatolij Gustschin wrote: > Mark Brown [email protected] wrote:
> >> + if (max_cs > 12) {
> >> + dev_err(dev, "Invalid max CS in platform data: %d\n", max_cs);
> >> + return -EINVAL;
> >> + }
> >> + dev_dbg(dev, "CS count %d, max CS %d\n", num_cs, max_cs);
> >> + max_cs += 1; /* including CS0 */
> >Why not just size the array based on the platform data?
> The driver must also support multiple SPI slaves with additional control
> pins (besides SPI chip-select gpios). There are devices with not adjacent
> chip-select gpios or devices with single chip-select gpio starting at
> some offset. The array size is not always the number of chip-selects
> or the max. chip-select, e.g.:
A few unused entries really won't matter.
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