Re: [PATCH v6 2/3] usb-storage: Add Hiksemi USB3-FW to IGNORE_UAS

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On Mon, Oct 31, 2022 at 03:17:48PM +0900, Juhyung Park wrote:
> Hi,
> 
> I'm speaking from my own experience but RTL9210 is arguably the most
> reliable NVMe-to-USB converter available.
> 
> Compared to solutions from JMicron (multiple revisions) and ASMedia, RTL9210
> gave the lowest power consumption (from implementing proper power management
> commands) and the least headache.
> 
> I personally own multiple enclosures and not one gave a single UAS error
> from multiple platforms (Android, Intel, AMD) for years, but with this
> commit now, it effectively disables UAS for all RTL9210 enclosures.
> 
> Would it be possible to apply this quirk only to a specific firmware
> (range)? RTL9210 have a lot of possible firmware combinations: https://www.station-drivers.com/index.php/en/component/remository/Drivers/Realtek/NVMe-USB-3.1/lang,en-gb/
> 
> RTL9210 was available since 2019 and the fact that this quirk came up this
> late leads me to believe that this is not a widespread issue and it'll be a
> shame if all of RTL9210s are blacklisted from UAS with Linux from now on :(
> 
> If any additional information is required, please let me know.

Can you send a revert of this commit so that we can fix this up?

thanks,

greg k-h



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