From: Felipe Balbi <balbi@ti.com>
To: Peter Chen <Peter.Chen@freescale.com>
Cc: Neil Zhang <zhangwm@marvell.com>, "balbi@ti.com" <balbi@ti.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>
Subject: Re: [PATCH 2/6] usb: gadget: mv_udc: disable HW zlt for ep0
Date: Wed, 26 Feb 2014 09:20:01 -0600 [thread overview]
Message-ID: <20140226152001.GG30028@saruman.home> (raw)
In-Reply-To: <c3b92dae0fe54efc85b886899ddf60ab@BN1PR03MB235.namprd03.prod.outlook.com>
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On Wed, Feb 26, 2014 at 02:36:19AM +0000, Peter Chen wrote:
>
> > > > > easy to be found.
> > > > >
> > > >
> > > > Chipidea bug too? Does it follow ch 8.5.3.2 Variable-length Data
> > > > Stage, USB
> > > 2.0 spec?
> > >
> > > wait, this is a chipidea core ? Why aren't you guys using the chipidea
> > > driver yet ? You need to switch over to that driver dude, we can't
> > > have duplicated code in the tree.
> > >
> > > I'm sorry, but I won't be taking this series, please use chipidea
> > > driver, it should be very simple to add a glue layer for your core to
> > the chipidea driver.
> > >
> >
> > Yes, it use chipidea IP.
> > But the driver is earlier than the chipidea one and we use it for our
> > products.
> > So it may be not that easy to switch to chipidea driver due to the
> > stability.
> >
>
> Freescale i.mx SoC used fsl_udc_core.c before which was the one of the
> oldest chipidea drivers, now, all i.mx SoC uses chipidea driver including
> old hardware.
Exactly, Freescale and Intel folks have shown that chipidea driver is
pretty good and ready for production.
--
balbi
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next prev parent reply other threads:[~2014-02-26 15:21 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-24 8:03 [PATCH 0/6] bug fix for mv_udc_core.c Neil Zhang
2014-02-24 8:03 ` [PATCH 1/6] usb: gadget: mv_udc: remove redundant pull up in udc_start Neil Zhang
2014-02-24 8:03 ` [PATCH 2/6] usb: gadget: mv_udc: disable HW zlt for ep0 Neil Zhang
2014-02-25 1:18 ` Peter Chen
2014-02-25 4:13 ` Neil Zhang
2014-02-25 5:15 ` Peter Chen
2014-02-25 7:11 ` Neil Zhang
2014-02-25 7:46 ` Peter Chen
2014-02-25 18:12 ` Felipe Balbi
2014-02-26 1:48 ` Neil Zhang
2014-02-26 2:36 ` Peter Chen
2014-02-26 15:20 ` Felipe Balbi [this message]
2014-02-26 15:23 ` Felipe Balbi
2014-02-27 3:30 ` Peter Chen
2014-02-27 16:52 ` Felipe Balbi
2014-02-27 18:05 ` Fabio Estevam
2014-02-27 19:04 ` Felipe Balbi
2014-02-26 15:19 ` Felipe Balbi
2014-02-27 9:12 ` Neil Zhang
2014-02-24 8:03 ` [PATCH 3/6] usb: gadget: mv_udc: clear corresponding interrupt when flush fifo Neil Zhang
2014-02-25 1:59 ` Peter Chen
2014-02-25 7:26 ` Neil Zhang
2014-02-24 8:03 ` [PATCH 4/6] usb: gadget: mv_udc: check endpoint before queue dtd Neil Zhang
2014-02-24 8:03 ` [PATCH 5/6] USB: gadget: mv_udc: workaroud for missing dTD Neil Zhang
2014-02-25 4:19 ` Peter Chen
2014-02-25 7:16 ` Neil Zhang
2014-02-25 7:22 ` Peter Chen
2014-02-24 8:03 ` [PATCH 6/6] USB: gadget: mv_udc: fix corner case for missiong dTD Neil Zhang
2014-02-24 10:31 ` [PATCH 0/6] bug fix for mv_udc_core.c Matthieu CASTET
2014-02-24 12:42 ` Neil Zhang
2014-02-25 4:17 ` Peter Chen
2014-02-25 7:18 ` Neil Zhang
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