Re: [PATCH v7 13/16] power: sequencing: pcie-m2: Add usb and sdio targets for E-key connector

Manivannan Sadhasivam <[email protected]> Mon, 10 Aug 2026 18:26:15 +0200
Newsgroups gmane.linux.usb.general,gmane.linux.acpi.devel,gmane.linux.power-management.general,gmane.linux.drivers.devicetree,gmane.linux.ports.arm.mediatek,gmane.linux.ports.arm.kernel,gmane.linux.kernel
Message-ID <hxidwwqeooyo4fwjc6rmbsfv35b2af7flub23qcpwin6bqj5ff@h46sqvwc6k6i>
On Fri, Jul 24, 2026 at 04:43:22PM +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.
> 
> The "unit" names are internal to the power sequencing framework, and
> should be confined to a single provider. The names are only
> informational. Dependencies are tracked with pointers to other units.
> 
> The "target" names are the strings that the consumer uses to acquire a
> descriptor with. As these remain the same, existing users will continue
> to work.
> 
> Signed-off-by: Chen-Yu Tsai <[email protected]>

Reviewed-by: Manivannan Sadhasivam <[email protected]>

- Mani

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