All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tony Lindgren <tony@atomide.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	Wei Xu <xuwei5@hisilicon.com>, Ryan Grachek <ryan@edited.us>,
	John Stultz <john.stultz@linaro.org>,
	linux-wireless@vger.kernel.org, "Reizer, Eyal" <eyalr@ti.com>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Kalle Valo <kvalo@codeaurora.org>,
	Michal Simek <michal.simek@xilinx.com>
Subject: Re: [PATCH v2] arm64: dts: zcu100-revC: Give wifi some time after power-on
Date: Thu, 24 Jan 2019 07:29:26 -0800	[thread overview]
Message-ID: <20190124152926.GM5720@atomide.com> (raw)
In-Reply-To: <efc793c8-da17-e267-851e-f08f097843ee@web.de>

* 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>

WARNING: multiple messages have this Message-ID (diff)
From: Tony Lindgren <tony@atomide.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
	Ryan Grachek <ryan@edited.us>,
	linux-wireless@vger.kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Wei Xu <xuwei5@hisilicon.com>,
	Michal Simek <michal.simek@xilinx.com>,
	"Reizer, Eyal" <eyalr@ti.com>,
	John Stultz <john.stultz@linaro.org>,
	Kalle Valo <kvalo@codeaurora.org>,
	Valentin Schneider <valentin.schneider@arm.com>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2] arm64: dts: zcu100-revC: Give wifi some time after power-on
Date: Thu, 24 Jan 2019 07:29:26 -0800	[thread overview]
Message-ID: <20190124152926.GM5720@atomide.com> (raw)
In-Reply-To: <efc793c8-da17-e267-851e-f08f097843ee@web.de>

* 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>

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2019-01-24 15:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-24  8:28 [PATCH v2] arm64: dts: zcu100-revC: Give wifi some time after power-on Jan Kiszka
2019-01-24  8:28 ` Jan Kiszka
2019-01-24 15:29 ` Tony Lindgren [this message]
2019-01-24 15:29   ` Tony Lindgren
2019-01-25 12:38 ` Michal Simek
2019-01-25 12:38   ` Michal Simek

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190124152926.GM5720@atomide.com \
    --to=tony@atomide.com \
    --cc=eyalr@ti.com \
    --cc=jan.kiszka@web.de \
    --cc=john.stultz@linaro.org \
    --cc=kvalo@codeaurora.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=michal.simek@xilinx.com \
    --cc=ryan@edited.us \
    --cc=ulf.hansson@linaro.org \
    --cc=valentin.schneider@arm.com \
    --cc=xuwei5@hisilicon.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.