All of lore.kernel.org
 help / color / mirror / Atom feed
From: Vinod Koul <vkoul@kernel.org>
To: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org,
	fabrice.gasnier@foss.st.com, linux-phy@lists.infradead.org,
	kishon@kernel.org, mcoquelin.stm32@gmail.com,
	alexandre.torgue@foss.st.com, error27@gmail.com,
	kernel@pengutronix.de, linux-stm32@st-md-mailman.stormreply.com,
	amelie.delaunay@foss.st.com
Subject: Re: [PATCH v2] phy: stm32-usphyc: add 200 to 300 us delay to fix timeout on some machines
Date: Fri, 31 Mar 2023 18:59:24 +0530	[thread overview]
Message-ID: <ZCbgNNhFQZUo3VKH@matsya> (raw)
In-Reply-To: <20230227151318.1894938-1-m.grzeschik@pengutronix.de>

On 27-02-23, 16:13, Michael Grzeschik wrote:
> An minimum udelay of 200 us seems to be necessary on some machines. After
> the setup of the pll, which needs about 100 us to be locked there seem
> to be additional 100 us to get the phy really functional. Without this
> delay the usb runs not functional. With this additional short udelay
> this issue was not reported again.

Applied, thanks

-- 
~Vinod

-- 
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vkoul@kernel.org>
To: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org,
	fabrice.gasnier@foss.st.com, linux-phy@lists.infradead.org,
	kishon@kernel.org, mcoquelin.stm32@gmail.com,
	alexandre.torgue@foss.st.com, error27@gmail.com,
	kernel@pengutronix.de, linux-stm32@st-md-mailman.stormreply.com,
	amelie.delaunay@foss.st.com
Subject: Re: [PATCH v2] phy: stm32-usphyc: add 200 to 300 us delay to fix timeout on some machines
Date: Fri, 31 Mar 2023 18:59:24 +0530	[thread overview]
Message-ID: <ZCbgNNhFQZUo3VKH@matsya> (raw)
In-Reply-To: <20230227151318.1894938-1-m.grzeschik@pengutronix.de>

On 27-02-23, 16:13, Michael Grzeschik wrote:
> An minimum udelay of 200 us seems to be necessary on some machines. After
> the setup of the pll, which needs about 100 us to be locked there seem
> to be additional 100 us to get the phy really functional. Without this
> delay the usb runs not functional. With this additional short udelay
> this issue was not reported again.

Applied, thanks

-- 
~Vinod

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

  parent reply	other threads:[~2023-03-31 13:29 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-24 20:45 [PATCH] phy: stm32-usphyc: add mdelay(1) to fix timeout on some machines Michael Grzeschik
2023-01-24 20:45 ` Michael Grzeschik
2023-02-01 16:20 ` Fabrice Gasnier
2023-02-01 16:20   ` Fabrice Gasnier
2023-02-13 14:59   ` Michael Grzeschik
2023-02-13 14:59     ` Michael Grzeschik
2023-02-16  8:30     ` Fabrice Gasnier
2023-02-16  8:30       ` Fabrice Gasnier
2023-02-27 15:13       ` [PATCH v2] phy: stm32-usphyc: add 200 to 300 us delay " Michael Grzeschik
2023-02-27 15:13         ` Michael Grzeschik
2023-02-28 17:28         ` Fabrice Gasnier
2023-02-28 17:28           ` Fabrice Gasnier
2023-03-10 10:44           ` Michael Grzeschik
2023-03-10 10:44             ` Michael Grzeschik
2023-03-20 12:02             ` Michael Grzeschik
2023-03-20 12:02               ` Michael Grzeschik
2023-03-31 12:06               ` Michael Grzeschik
2023-03-31 12:06                 ` Michael Grzeschik
2023-03-31 13:19                 ` Greg KH
2023-03-31 13:19                   ` Greg KH
2023-03-31 13:27                   ` Vinod Koul
2023-03-31 13:27                     ` Vinod Koul
2023-03-31 13:29         ` Vinod Koul [this message]
2023-03-31 13:29           ` Vinod Koul

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=ZCbgNNhFQZUo3VKH@matsya \
    --to=vkoul@kernel.org \
    --cc=alexandre.torgue@foss.st.com \
    --cc=amelie.delaunay@foss.st.com \
    --cc=error27@gmail.com \
    --cc=fabrice.gasnier@foss.st.com \
    --cc=kernel@pengutronix.de \
    --cc=kishon@kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-phy@lists.infradead.org \
    --cc=linux-stm32@st-md-mailman.stormreply.com \
    --cc=m.grzeschik@pengutronix.de \
    --cc=mcoquelin.stm32@gmail.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.