From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] usb: dwc2: Enhance interrupt handling for CONTROL transaction
Date: Tue, 5 Jan 2016 15:36:10 +0100 [thread overview]
Message-ID: <201601051536.11086.marex@denx.de> (raw)
In-Reply-To: <1451970004-2344-1-git-send-email-clsee@altera.com>
On Tuesday, January 05, 2016 at 06:00:04 AM, Chin Liang See wrote:
> Per DesignWare USB OTG databook, driver should retry up to
> 3 times when transaction error (hcint.xacterr) happen. But
> the 3 times doesn't count when the response is nack
> (hcint.nak) or frame overrun (hcint.frmoverun)
>
> This patch solved the enumeration error as spotted at socfpga
> cyclone5_socdk when plugging in certain pendrive.
>
> Signed-off-by: Chin Liang See <clsee@altera.com>
> Cc: Marek Vasut <marex@denx.de>
> Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
> Cc: Dinh Nguyen <dinh.linux@gmail.com>
> Cc: Pavel Machek <pavel@denx.de>
> Cc: Oleksandr Tymoshenko <gonzo@bluezbox.com>
> Cc: Stephen Warren <swarren@wwwdotorg.org>
> Cc: Alexander Stein <alexanders83@web.de>
> Cc: Peter Griffin <peter.griffin@linaro.org>
I applied this change on top of u-boot-socfpga/master and tested it on
SoCFPGA CycloneV SoCDK with "Sandisk cruzer force" stick. The board gets
completely stuck if I have dcache ENABLED and perform 'usb reset'. This
patch is:
Naked-by: Marek Vasut <marex@denx.de>
Sorry :-(
Best regards,
Marek Vasut
next prev parent reply other threads:[~2016-01-05 14:36 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-05 5:00 [U-Boot] [PATCH] usb: dwc2: Enhance interrupt handling for CONTROL transaction Chin Liang See
2016-01-05 14:36 ` Marek Vasut [this message]
2016-01-05 15:51 ` Chin Liang See
2016-01-05 16:16 ` Marek Vasut
2016-01-13 2:58 ` Marek Vasut
2016-01-13 15:18 ` Chin Liang See
2016-01-13 15:22 ` Marek Vasut
2016-01-14 14:50 ` Chin Liang See
2016-01-14 15:20 ` Marek Vasut
2016-02-04 11:42 ` Marek Vasut
2016-02-19 9:11 ` Chin Liang See
2016-02-19 15:16 ` Marek Vasut
2016-01-10 11:56 ` [U-Boot] usb: dwc2: does not compile in 2016-rc3 when updating from -rc1 Pavel Machek
2016-01-10 12:04 ` Pavel Machek
2016-01-10 13:45 ` Marek Vasut
2016-01-10 17:50 ` Pavel Machek
2016-01-10 18:13 ` Marek Vasut
2016-01-10 18:39 ` [U-Boot] Are non-default configurations expected to work? " Pavel Machek
2016-01-10 18:42 ` Marek Vasut
2016-01-10 19:04 ` Tom Rini
2016-01-10 19:06 ` Marek Vasut
2016-01-10 19:16 ` Tom Rini
2016-01-10 19:18 ` Marek Vasut
2016-01-10 19:28 ` Tom Rini
2016-01-10 19:40 ` Marek Vasut
2016-01-10 20:11 ` Tom Rini
2016-01-10 20:18 ` Marek Vasut
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