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From: Alan Stern <stern@rowland.harvard.edu>
To: Longfang Liu <liulongfang@huawei.com>
Cc: gregkh@linuxfoundation.org, mathias.nyman@intel.com,
	liudongdong3@huawei.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, kong.kongxinwei@hisilicon.com,
	yisen.zhuang@huawei.com
Subject: Re: [PATCH v2 0/2] USB:ehci:fix the no SRBN register problem
Date: Thu, 8 Apr 2021 10:53:32 -0400
Message-ID: <20210408145332.GA1296449@rowland.harvard.edu> (raw)
In-Reply-To: <1617889760-17733-1-git-send-email-liulongfang@huawei.com>

On Thu, Apr 08, 2021 at 09:49:18PM +0800, Longfang Liu wrote:
> (1) Add a whitelist for EHCI devices without SBRN registers.
> (2) Add Kunpeng920's EHCI device to the whitelist.
> 
> Changes in v2:
> 	- Fix some code style issues.
> 	- Update function name.
> 
> Longfang Liu (2):
>   USB:ehci:Add a whitelist for EHCI controllers
>   USB:ehci:fix Kunpeng920 ehci hardware problem
> 
>  drivers/usb/host/ehci-pci.c | 30 ++++++++++++++++++++++++++----
>  1 file changed, 26 insertions(+), 4 deletions(-)

I don't think we need a whole list, along with an associated lookup 
routine, when there are only two entries.  The total amount of code will 
be smaller if you just add a check for the Kunpeng920 controller to
the existing check for the STMICRO controller.

Alan Stern

  parent reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-08 13:49 Longfang Liu
2021-04-08 13:49 ` [PATCH v2 1/2] USB:ehci:Add a whitelist for EHCI controllers Longfang Liu
2021-04-08 14:53   ` Greg KH
2021-04-08 17:30   ` kernel test robot
2021-04-08 20:34   ` kernel test robot
2021-04-08 13:49 ` [PATCH v2 2/2] USB:ehci:fix Kunpeng920 ehci hardware problem Longfang Liu
2021-04-08 14:53 ` Alan Stern [this message]
2021-04-09  2:42   ` [PATCH v2 0/2] USB:ehci:fix the no SRBN register problem liulongfang
2021-04-09  6:47     ` Greg KH

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