From: Felipe Balbi <balbi@ti.com>
To: Huang Rui <ray.huang@amd.com>
Cc: Felipe Balbi <balbi@ti.com>,
Alan Stern <stern@rowland.harvard.edu>,
Bjorn Helgaas <bhelgaas@google.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Paul Zimmerman <Paul.Zimmerman@synopsys.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Vincent Wan <vincent.wan@amd.com>, Tony Li <tony.li@amd.com>,
<linux-usb@vger.kernel.org>, <linux-pci@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 05/16] usb: dwc3: add quirks support to be compatible for kinds of SoCs
Date: Fri, 24 Oct 2014 10:25:53 -0500 [thread overview]
Message-ID: <20141024152553.GB26941@saruman> (raw)
In-Reply-To: <20141020060217.GA24357@hr-slim.amd.com>
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On Mon, Oct 20, 2014 at 02:02:17PM +0800, Huang Rui wrote:
> On Fri, Oct 17, 2014 at 09:41:44AM -0500, Felipe Balbi wrote:
> > HI,
> >
> > On Fri, Oct 17, 2014 at 04:53:30PM +0800, Huang Rui wrote:
> > > This patch adds a quirks flag at dwc3 structure, and SoCs platform vendor is
> > > able to define this flag in platform data at bus glue layer. Then do some
> > > independent behaviors at dwc3 core level.
> > >
> > > Signed-off-by: Huang Rui <ray.huang@amd.com>
> > > ---
> > > drivers/usb/dwc3/core.c | 2 ++
> > > drivers/usb/dwc3/core.h | 3 +++
> > > drivers/usb/dwc3/dwc3-pci.c | 9 +++++++++
> > > drivers/usb/dwc3/platform_data.h | 2 ++
> > > 4 files changed, 16 insertions(+)
> > >
>
> <snip>
>
> > > diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h
> > > index 7db34f0..1d3d65f 100644
> > > --- a/drivers/usb/dwc3/platform_data.h
> > > +++ b/drivers/usb/dwc3/platform_data.h
> > > @@ -24,4 +24,6 @@ struct dwc3_platform_data {
> > > enum usb_device_speed maximum_speed;
> > > enum usb_dr_mode dr_mode;
> > > bool tx_fifo_resize;
> > > +
> > > + u32 quirks;
> >
> > I prefer to have one-bit fields like we already have for delayed_status,
> > ep0_bounced, ep0_expect_in, and so on. That makes it easier to support
> > the same quirks through devicetree as well.
> >
>
> So it should define like below:
>
> struct dwc3_platform_data {
> ...
> unsigned one_quirk:1;
> }
>
> Then also defined it in dwc3 structure. And when dwc3 probed, put this
> value from glue layer to dwc3, right?
that's correct.
--
balbi
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next prev parent reply other threads:[~2014-10-24 15:26 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-17 8:53 [PATCH v2 00/16] usb: dwc3: add support for AMD NL SoC Huang Rui
2014-10-17 8:53 ` [PATCH v2 01/16] usb: dwc3: add AMD NL support Huang Rui
2014-10-17 15:00 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 02/16] pci: quirks: add quirk to avoid AMD NL to bind with xhci Huang Rui
2014-10-24 16:35 ` Bjorn Helgaas
2014-10-27 2:55 ` Huang Rui
2014-10-27 13:21 ` Bjorn Helgaas
2014-10-17 8:53 ` [PATCH v2 03/16] usb: dwc3: enable hibernation if to be supported Huang Rui
2014-10-17 8:53 ` [PATCH v2 04/16] usb: dwc3: add a flag to check if it is fpga board Huang Rui
2014-10-17 8:53 ` [PATCH v2 05/16] usb: dwc3: add quirks support to be compatible for kinds of SoCs Huang Rui
2014-10-17 14:41 ` Felipe Balbi
2014-10-20 6:02 ` Huang Rui
2014-10-24 15:25 ` Felipe Balbi [this message]
2014-10-17 8:53 ` [PATCH v2 06/16] usb: dwc3: add disscramble quirk Huang Rui
2014-10-17 14:45 ` Felipe Balbi
2014-10-20 6:38 ` Huang Rui
2014-10-24 15:26 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 07/16] usb: dwc3: add lpm erratum support Huang Rui
2014-10-17 14:48 ` Felipe Balbi
2014-10-24 17:01 ` Huang Rui
2014-10-24 17:35 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 08/16] usb: dwc3: add u2exit lfps quirk Huang Rui
2014-10-17 14:50 ` Felipe Balbi
2014-10-20 6:43 ` Huang Rui
2014-10-24 15:27 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 09/16] usb: dwc3: add P3 in U2 SS inactive quirk Huang Rui
2014-10-17 14:52 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 10/16] usb: dwc3: add request p1p2p3 quirk Huang Rui
2014-10-17 14:53 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 11/16] usb: dwc3: add delay " Huang Rui
2014-10-17 14:54 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 12/16] usb: dwc3: add delay phy power change quirk Huang Rui
2014-10-17 14:56 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 13/16] usb: dwc3: add lfps filter quirk Huang Rui
2014-10-17 14:56 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 14/16] usb: dwc3: enable rx_detect to polling lfps quirk Huang Rui
2014-10-17 14:57 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 15/16] usb: dwc3: add tx demphasis quirk Huang Rui
2014-10-17 14:57 ` Felipe Balbi
2014-10-17 8:53 ` [PATCH v2 16/16] usb: dwc3: enable usb suspend phy Huang Rui
2014-10-17 14:59 ` Felipe Balbi
2014-10-17 18:41 ` Paul Zimmerman
2014-10-17 18:48 ` Felipe Balbi
2014-10-20 8:41 ` Huang Rui
2014-10-20 9:01 ` Huang Rui
2014-10-20 18:17 ` Paul Zimmerman
2014-10-24 15:29 ` Felipe Balbi
2014-10-24 15:28 ` Felipe Balbi
2014-10-17 15:10 ` [PATCH v2 00/16] usb: dwc3: add support for AMD NL SoC Felipe Balbi
2014-10-20 15:38 ` Huang Rui
2014-10-24 15:30 ` Felipe Balbi
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