Hi Jupiter, I cannot help you on the specific chip you ask, but responding to the second part of your question I have quite good experience with Microchip WILC1000/3000 on SDIO which, after a part separate repo and then staging, is now in mailine from quite some time: https://github.com/torvalds/linux/tree/master/drivers/net/wireless/microchip/wilc1000 I had also some mixed experience (seemed to be arch releated) otherwise also with SDIO/SPI of SiLabs which is currently in mainline staging: https://github.com/torvalds/linux/tree/master/drivers/staging/wfx These chips are at least currently still on the market (modulo shortage problems), not sure about their projected lifespan (I guess something hard to foresee).
Cheers, Federico Il giorno mar 29 mar 2022 alle ore 08:16 JH <[email protected]> ha scritto: > Hi, > > I could not understand why so many large WiFi chip vendors retreat to > stop maintaining WiFi SDIO chips to mainline Linux kernel, and to > settle it's chip support to out of the tree, use its own SDK and > proprietary kernel tree to source.codeaurora.org or private repository > which are not compatible to mainline stable kernel, the kernel > configures are also different. > > I looked at the following link, the mwifiex and mwifiex_sdio support > the Marvell (NXP) 88W88 chipset, but only kernel 4.19 was able to > build and to run, kernel 5 cannot support 88W88 chipset, any more. > Same to Qualcomm, the old Atheros WiFi modules are supported, the > QCA-9377-3 chipset is in source.codeaurora.org only supported by old > kernel 4.9. > > Given the OE/Yocto poky kernel build is based on a mainline stable > kernel repository, how can I build kernel 5 for 88W88 chipset or > QCA-9377-3 from source.codeaurora.org or private repository? Or which > WiFi vendors are still well maintaining the WiFi chips for kernel 5, > the only sensible solution is to switch WiFi SDIO chips? Appreciate > your advice and comments. > > https://wireless.wiki.kernel.org/en/users/drivers > > Thank you very much. > > Kind regards, > > jupiter > > > >
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