Messages in this thread | | | Date | Mon, 6 Nov 2023 08:53:44 +0100 | Subject | Re: [PATCH v4 2/2] PCI: mediatek-gen3: Add power and reset control feature for downstream component | From | Krzysztof Kozlowski <> |
| |
On 06/11/2023 07:12, Jian Yang wrote: > From: "jian.yang" <jian.yang@mediatek.com> > > Make MediaTek's controller driver capable of controlling power > supplies and reset pin of a downstream component in power-on and > power-off process. > > Some downstream components (e.g., a WIFI chip) may need an extra > reset other than PERST# and their power supplies, depending on > the requirements of platform, may need to controlled by their > parent's driver. To meet the requirements described above, I add this > feature to MediaTek's PCIe controller driver as an optional feature.
NAK, strong NAK. This should be done in a generic way because nothing here is specific to Mediatek.
You just implement power sequencing of devices through quirks specific to one controller.
Work with others to provide common solution. https://lpc.events/event/17/contributions/1507/
Best regards, Krzysztof
| |