Messages in this thread | | | Date | Thu, 24 Jan 2019 07:29:26 -0800 | From | Tony Lindgren <> | Subject | Re: [PATCH v2] arm64: dts: zcu100-revC: Give wifi some time after power-on |
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* Jan Kiszka <jan.kiszka@web.de> [190124 08:29]: > From: Jan Kiszka <jan.kiszka@siemens.com> > > Somewhere along recent changes to power control of the wl1831, power-on > became very unreliable on the Ultra96, failing like this: > > wl1271_sdio: probe of mmc2:0001:1 failed with error -16 > wl1271_sdio: probe of mmc2:0001:2 failed with error -16 > > After playing with some dt parameters and comparing to other users of > this chip, it turned out we need some power-on delay to make things > stable again. In contrast to those other users which define 200 ms, > Ultra96 is already happy with 10 ms.
Good to hear this got sorted out, thanks everybody.
Acked-by: Tony Lindgren <tony@atomide.com>
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