From: Greg KH <greg@kroah.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: stable@vger.kernel.org, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-omap@vger.kernel.org,
linux-i2c@vger.kernel.org, linux-pci@vger.kernel.org,
linux-mtd@lists.infradead.org
Subject: Re: [BACKPORT 4.14.y 04/18] usb: dwc3: Allow disabling of metastability workaround
Date: Tue, 10 Sep 2019 15:36:01 +0100 [thread overview]
Message-ID: <20190910143601.GD3362@kroah.com> (raw)
In-Reply-To: <20190905161759.28036-5-mathieu.poirier@linaro.org>
On Thu, Sep 05, 2019 at 10:17:45AM -0600, Mathieu Poirier wrote:
> From: Roger Quadros <rogerq@ti.com>
>
> commit 42bf02ec6e420e541af9a47437d0bdf961ca2972 upstream
>
> Some platforms (e.g. TI's DRA7 USB2 instance) have more trouble
> with the metastability workaround as it supports only
> a High-Speed PHY and the PHY can enter into an Erratic state [1]
> when the controller is set in SuperSpeed mode as part of
> the metastability workaround.
>
> This causes upto 2 seconds delay in enumeration on DRA7's USB2
> instance in gadget mode.
>
> If these platforms can be better off without the workaround,
> provide a device tree property to suggest that so the workaround
> is avoided.
>
> [1] Device mode enumeration trace showing PHY Erratic Error.
> irq/90-dwc3-969 [000] d... 52.323145: dwc3_event: event (00000901): Erratic Error [U0]
> irq/90-dwc3-969 [000] d... 52.560646: dwc3_event: event (00000901): Erratic Error [U0]
> irq/90-dwc3-969 [000] d... 52.798144: dwc3_event: event (00000901): Erratic Error [U0]
Does the DT also need to get updated with this new id for this? Is that
a separate patch somewhere?
thanks,
greg k-h
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <greg@kroah.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: linux-pm@vger.kernel.org, linux-pci@vger.kernel.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-mtd@lists.infradead.org,
stable@vger.kernel.org, linux-omap@vger.kernel.org,
linux-i2c@vger.kernel.org
Subject: Re: [BACKPORT 4.14.y 04/18] usb: dwc3: Allow disabling of metastability workaround
Date: Tue, 10 Sep 2019 15:36:01 +0100 [thread overview]
Message-ID: <20190910143601.GD3362@kroah.com> (raw)
In-Reply-To: <20190905161759.28036-5-mathieu.poirier@linaro.org>
On Thu, Sep 05, 2019 at 10:17:45AM -0600, Mathieu Poirier wrote:
> From: Roger Quadros <rogerq@ti.com>
>
> commit 42bf02ec6e420e541af9a47437d0bdf961ca2972 upstream
>
> Some platforms (e.g. TI's DRA7 USB2 instance) have more trouble
> with the metastability workaround as it supports only
> a High-Speed PHY and the PHY can enter into an Erratic state [1]
> when the controller is set in SuperSpeed mode as part of
> the metastability workaround.
>
> This causes upto 2 seconds delay in enumeration on DRA7's USB2
> instance in gadget mode.
>
> If these platforms can be better off without the workaround,
> provide a device tree property to suggest that so the workaround
> is avoided.
>
> [1] Device mode enumeration trace showing PHY Erratic Error.
> irq/90-dwc3-969 [000] d... 52.323145: dwc3_event: event (00000901): Erratic Error [U0]
> irq/90-dwc3-969 [000] d... 52.560646: dwc3_event: event (00000901): Erratic Error [U0]
> irq/90-dwc3-969 [000] d... 52.798144: dwc3_event: event (00000901): Erratic Error [U0]
Does the DT also need to get updated with this new id for this? Is that
a separate patch somewhere?
thanks,
greg k-h
______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2019-09-10 14:36 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-05 16:17 [BACKPORT 4.14.y 00/18] Backport candidate from TI 4.14 product kernel Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-09-05 16:17 ` [BACKPORT 4.14.y 01/18] PCI: designware-ep: Fix find_first_zero_bit() usage Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-09-05 16:17 ` [BACKPORT 4.14.y 02/18] PCI: dra7xx: Fix legacy INTD IRQ handling Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-09-05 16:17 ` [BACKPORT 4.14.y 03/18] drm/omap: panel-dsi-cm: fix driver Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-09-10 14:34 ` Greg KH
2019-09-10 14:34 ` Greg KH
2019-09-11 11:48 ` Mathieu Poirier
2019-09-11 11:48 ` Mathieu Poirier
2019-09-05 16:17 ` [BACKPORT 4.14.y 04/18] usb: dwc3: Allow disabling of metastability workaround Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-09-10 14:36 ` Greg KH [this message]
2019-09-10 14:36 ` Greg KH
2019-09-11 14:01 ` Mathieu Poirier
2019-09-11 14:01 ` Mathieu Poirier
2019-11-11 9:16 ` Greg KH
2019-11-11 9:16 ` Greg KH
2019-11-11 9:16 ` Greg KH
2019-11-11 9:43 ` Patch "usb: dwc3: Allow disabling of metastability workaround" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 05/18] mfd: palmas: Assign the right powerhold mask for tps65917 Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "mfd: palmas: Assign the right powerhold mask for tps65917" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 06/18] ASoC: tlv320aic31xx: Handle inverted BCLK in non-DSP modes Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "ASoC: tlv320aic31xx: Handle inverted BCLK in non-DSP modes" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 07/18] mtd: spi-nor: enable 4B opcodes for mx66l51235l Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "mtd: spi-nor: enable 4B opcodes for mx66l51235l" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 08/18] mtd: spi-nor: cadence-quadspi: add a delay in write sequence Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "mtd: spi-nor: cadence-quadspi: add a delay in write sequence" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 09/18] misc: pci_endpoint_test: Prevent some integer overflows Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "misc: pci_endpoint_test: Prevent some integer overflows" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 10/18] PCI: dra7xx: Add shutdown handler to cleanly turn off clocks Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "PCI: dra7xx: Add shutdown handler to cleanly turn off clocks" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 11/18] misc: pci_endpoint_test: Fix BUG_ON error during pci_disable_msi() Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "misc: pci_endpoint_test: Fix BUG_ON error during pci_disable_msi()" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 12/18] mailbox: reset txdone_method TXDONE_BY_POLL if client knows_txdone Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "mailbox: reset txdone_method TXDONE_BY_POLL if client knows_txdone" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 13/18] ASoC: tlv320dac31xx: mark expected switch fall-through Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "ASoC: tlv320dac31xx: mark expected switch fall-through" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 14/18] ASoC: davinci-mcasp: Handle return value of devm_kasprintf Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "ASoC: davinci-mcasp: Handle return value of devm_kasprintf" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 15/18] ASoC: davinci: Kill BUG_ON() usage Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "ASoC: davinci: Kill BUG_ON() usage" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 16/18] ASoC: davinci-mcasp: Fix an error handling path in 'davinci_mcasp_probe()' Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "ASoC: davinci-mcasp: Fix an error handling path in 'davinci_mcasp_probe()'" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 17/18] i2c: omap: Trigger bus recovery in lockup case Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "i2c: omap: Trigger bus recovery in lockup case" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:17 ` [BACKPORT 4.14.y 18/18] cpufreq: ti-cpufreq: add missing of_node_put() Mathieu Poirier
2019-09-05 16:17 ` Mathieu Poirier
2019-11-11 9:43 ` Patch "cpufreq: ti-cpufreq: add missing of_node_put()" has been added to the 4.14-stable tree gregkh
2019-11-11 9:43 ` gregkh
2019-09-05 16:24 ` [BACKPORT 4.14.y 00/18] Backport candidate from TI 4.14 product kernel Wolfram Sang
2019-09-05 16:24 ` Wolfram Sang
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=20190910143601.GD3362@kroah.com \
--to=greg@kroah.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mtd@lists.infradead.org \
--cc=linux-omap@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=mathieu.poirier@linaro.org \
--cc=stable@vger.kernel.org \
/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.