From: Neal Liu <neal_liu@aspeedtech.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Dan Carpenter <dan.carpenter@oracle.com>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"kernel-janitors@vger.kernel.org"
<kernel-janitors@vger.kernel.org>,
"linux-aspeed@lists.ozlabs.org" <linux-aspeed@lists.ozlabs.org>,
"balbi@kernel.org" <balbi@kernel.org>
Subject: RE: [PATCH] usb: gadget: aspeed_udc: fix handling of tx_len == 0
Date: Fri, 24 Jun 2022 07:46:50 +0000 [thread overview]
Message-ID: <HK0PR06MB32024B6C49E2C958185E005280B49@HK0PR06MB3202.apcprd06.prod.outlook.com> (raw)
In-Reply-To: <46f88070d8f6f47f55310e964a4576cadbc810f4.camel@kernel.crashing.org>
> (switching back to my normal "community" email)
>
> On Fri, 2022-06-24 at 09:34 +0300, Dan Carpenter wrote:
> > > Hrm... what is that driver ? I've missed it ... is the code lifted
> > > from aspeed-vhub ? If yes, should we instead make it a common code
> > > base ?
> > > And if there are bug fixes on one they might apply to the other as
> > > well...
> >
> >
> > No, I'm the person who introduced the bug so it's unique to this
> > driver.
>
> Ok thanks. That said, the code looks fairly similar to the vhub code, so my
> comment stands, if this is the same IP block, which it appears to be, the driver
> should be common.
>
> IE. The vhub is made of a virtual hub with a bunch of UDCs underneath, this
> appears to address the ast2600 "new" standalone (no hub) variant of said UDC
> if I'm not mistaken.
>
> The way I structured the code in vhub, it shouldn't be overly difficult to make it
> standalone. I wrote (and maintain) aspeed-vhub and would be happy to work
> on this if I got sent an ast2600 board.
>
Hi Ben, This UDC is the independent IP. The ast2600 board can run aspeed-vhub & aspeed_udc simultaneously with different USB port.
I think it's no need to restruct the code in vhub.
next prev parent reply other threads:[~2022-06-24 7:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-22 14:50 [PATCH] usb: gadget: aspeed_udc: fix handling of tx_len == 0 Dan Carpenter
2022-06-23 1:41 ` Neal Liu
2022-06-23 6:43 ` Dan Carpenter
2022-06-23 7:22 ` Dan Carpenter
2022-06-23 7:52 ` Neal Liu
2022-06-23 7:55 ` Dan Carpenter
2022-06-23 8:37 ` Neal Liu
2022-06-24 6:17 ` Herrenschmidt, Benjamin
2022-06-24 6:34 ` Dan Carpenter
2022-06-24 6:39 ` Benjamin Herrenschmidt
2022-06-24 7:46 ` Neal Liu [this message]
2022-06-27 1:30 ` Benjamin Herrenschmidt
2022-06-28 7:17 ` Neal Liu
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