Linux SCSI subsystem development
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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Hans de Goede <hdegoede@redhat.com>
Cc: "Oliver Neukum" <oneukum@suse.com>,
	"Alan Stern" <stern@rowland.harvard.edu>,
	linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org,
	"Julian Groß" <julian.g@posteo.de>
Subject: Re: [PATCH] USB: uas: Add US_FL_NO_REPORT_OPCODES for LaCie 2Big Quadra USB3 external disk
Date: Thu, 7 May 2020 15:49:21 +0200	[thread overview]
Message-ID: <20200507134921.GA1798390@kroah.com> (raw)
In-Reply-To: <20200507131708.250871-1-hdegoede@redhat.com>

On Thu, May 07, 2020 at 03:17:08PM +0200, Hans de Goede wrote:
> The LaCie 2Big Quadra USB3 external disk does not like the REPORT_OPCODES
> request, causing probing it to take several minutes (and several resets).
> 
> Add US_FL_NO_REPORT_OPCODES flag for this model to fix the probing delay.
> 
> Reported-by: Julian Groß <julian.g@posteo.de>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
>  drivers/usb/storage/unusual_uas.h | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
> index 1b23741036ee..37157ed9a881 100644
> --- a/drivers/usb/storage/unusual_uas.h
> +++ b/drivers/usb/storage/unusual_uas.h
> @@ -28,6 +28,13 @@
>   * and don't forget to CC: the USB development list <linux-usb@vger.kernel.org>
>   */
>  
> +/* Reported-by: Julian Groß <julian.g@posteo.de> */
> +UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999,
> +		"LaCie",
> +		"2Big Quadra USB3",
> +		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
> +		US_FL_NO_REPORT_OPCODES),
> +
>  /*
>   * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI
>   * commands in UAS mode.  Observed with the 1.28 firmware; are there others?
> -- 
> 2.26.0
> 

Already in my tree and in linux-next and will go to Linus this week,
sorry.

greg k-h

  reply	other threads:[~2020-05-07 13:49 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-07 13:17 [PATCH] USB: uas: Add US_FL_NO_REPORT_OPCODES for LaCie 2Big Quadra USB3 external disk Hans de Goede
2020-05-07 13:49 ` Greg Kroah-Hartman [this message]
2020-05-07 13:56   ` Hans de Goede

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