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From: Lukasz Majewski <lukma@denx.de>
To: u-boot@lists.denx.de
Subject: [RFT PATCH v1 1/5] Revert "usb: ehci-hcd: Keep async schedule running"
Date: Mon, 23 Mar 2020 13:41:35 +0100	[thread overview]
Message-ID: <20200323134135.3341635c@jawa> (raw)
In-Reply-To: <357a2fb1-44e5-100a-63c9-1a9e6a1fd21a@denx.de>

Hi Marek,

> On 3/23/20 7:57 AM, Lukasz Majewski wrote:
> > Hi Marek,  
> 
> Hi,
> 
> >> On 3/22/20 2:00 PM, Lukasz Majewski wrote:  
> >>> This reverts commit 02b0e1a36c5bc20174299312556ec4e266872bd6.
> >>>
> >>> Signed-off-by: Lukasz Majewski <lukma@denx.de>    
> >>
> >> This patch lacks any and all explanation why this is being
> >> reverted. The patch you are reverting here explains why it was
> >> added and what real issues it was fixing, so instead of reverting
> >> it, if there is an issue with that patch, you should identify the
> >> issue and fix it.  
> > 
> > Marek, have you received the cover letter for this patch series?
> > 
> > In the cover letter I've written the rationale for reverting this
> > patch.   
> 
> That should have been explained in this patch description.
> 
> > In short - qhtoken has value of 0x0, when the token variable shows
> > errors. As a result the error handling is broken.
> > Could you comment on those arguments?  
> 
> Maybe you are referencing/reading the wrong token ?

I'm printing the token which is used afterwards for reacting on possible
errors.

> 
> You should probably figure out why this doesn't work first and then
> add fixes on top.

Haven't you seen such problem during code development on your setup
when developing this patch? 

> 
> > Moreover, I've explicitly stated that this is a Request For
> > Testing like patch series with a detailed report of testing
> > procedure (for my use case) for the USB in U-Boot (as Tom has
> > tested the patch with some ETH dongles).   
> 
> I was still unable to replicate the ethernet device failure.
> 

Which boards and SoCs do you used for your test setup?

For me the issue is visible on i.MX53 and i.MX6Q.


Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma at denx.de
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  reply	other threads:[~2020-03-23 12:41 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-22 13:00 [RFT PATCH v1 0/5] usb: Improve robustness of ehci-hcd controller operation Lukasz Majewski
2020-03-22 13:00 ` [RFT PATCH v1 1/5] Revert "usb: ehci-hcd: Keep async schedule running" Lukasz Majewski
2020-03-22 13:18   ` Marek Vasut
2020-03-23  6:57     ` Lukasz Majewski
2020-03-23 11:46       ` Marek Vasut
2020-03-23 12:41         ` Lukasz Majewski [this message]
2020-03-24  0:58           ` Marek Vasut
2020-03-24  7:06             ` Lukasz Majewski
2020-03-24 15:07               ` Marek Vasut
2020-03-24 18:11                 ` Lukasz Majewski
2020-03-24 18:33                   ` Marek Vasut
2020-03-22 13:00 ` [RFT PATCH v1 2/5] usb: Handle XACTERR error in DATA phase of USB storage Lukasz Majewski
2020-03-22 13:23   ` Marek Vasut
2020-03-23  7:00     ` Lukasz Majewski
2020-03-23 11:50       ` Marek Vasut
2020-03-23 13:03         ` Lukasz Majewski
2020-03-24  1:01           ` Marek Vasut
2020-03-22 13:00 ` [RFT PATCH v1 3/5] usb: Add some delay to wait for slow USB devices to be operational Lukasz Majewski
2020-03-22 13:29   ` Marek Vasut
2020-03-23  7:04     ` Lukasz Majewski
2020-03-23 11:52       ` Marek Vasut
2020-03-22 13:00 ` [RFT PATCH v1 4/5] usb: Provide code to handle spinup of USB usb devices (mostly HDDs) Lukasz Majewski
2020-03-22 13:32   ` Marek Vasut
2020-03-23  7:53     ` Lukasz Majewski
2020-03-23 11:57       ` Marek Vasut
2020-03-23 12:54         ` Lukasz Majewski
2020-03-24  1:04           ` Marek Vasut
2020-03-22 13:00 ` [RFT PATCH v1 5/5] usb: Handle QT_TOKEN_STATUS_XACTERR error when sending data Lukasz Majewski
2020-03-22 13:45   ` Marek Vasut
2020-03-23  7:18     ` Lukasz Majewski
2020-03-23 11:59       ` Marek Vasut
2020-03-23 12:58         ` Lukasz Majewski
2020-03-24  1:06           ` Marek Vasut
2020-03-23 20:58 ` [RFT PATCH v1 0/5] usb: Improve robustness of ehci-hcd controller operation Tom Rini
2020-03-23 22:11   ` Lukasz Majewski

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