[PATCH v2 11/16] power: sequencing: pcie-m2: Add usb and sdio targets for E-key connector

Chen-Yu Tsai wenst at chromium.org
Fri Jun 12 02:17:35 PDT 2026


On Wed, Jun 10, 2026 at 11:36 PM Andy Shevchenko
<andriy.shevchenko at linux.intel.com> wrote:
>
> On Wed, Jun 10, 2026 at 04:40:45PM +0800, Chen-Yu Tsai wrote:
> > The M.2 E-key connector allows either PCIe or SDIO for WiFi and USB or
> > UART for BT. Currently the driver only supports PCIe and UART.
> >
> > Add power sequencing targets for SDIO and USB. To avoid adding a
> > complicated dependency tree, rename the existing power sequencing units
> > "pcie" and "uart" to "wifi" and "bt". The existing target names are left
> > untouched. The new "sdio" and "usb" targets just point to the renamed
> > "wifi" and "bt" units.
>
> Why can we do that? No breakage? Only internal names? No ABI affected?
> Please, clarify all this in the commit message.

Will do.

In short, the target names (which are not modified) are used by the
consumer, while the unit names are internal only.


ChenYu



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