On Thu, 2017-12-07 at 11:03 +0200, Adrian Hunter wrote:
> Some Cherry Trail boards have a dependency between the SDHCI host
> controller used for SD cards and an external PMIC accessed via I2C.
> Add a
> device link between the SDHCI host controller (consumer) and the I2C
> adapter (supplier).
>
> This patch depends on a fix to devices links, namely commit
> 0ff26c662d5f
> ("driver core: Fix device link deferred probe"). And also either,
> commit 126dbc6b49c8 ("PM: i2c-designware-platdrv: Clean up PM handling
> in
> probe"), or patch "PM / runtime: Fix handling of suppliers with
> disabled
> runtime PM".
>
Fine with me, though I think below comment worth to address.
>
> +static const struct x86_cpu_id cht_cpu[] = {
> + ICPU(INTEL_FAM6_ATOM_AIRMONT), /* Braswell, Cherry
> Trail */
> + {}
> +};
I would rather to modify ICPU() macro to accept driver data where we
just pass an unsigned long value to be assigned as lpss_quirks and
introduce another quirk.
> +
> + if (link->cpus && !x86_match_cpu(link->cpus))
> + continue;
...thus,
if (!(lpss_quirks & LPSS_QUIRK_NEED_DEVICE_LINKS))
continue;
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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