linux-omap.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Tony Lindgren <tony@atomide.com>
To: Felipe Balbi <balbi@ti.com>
Cc: Linux USB Mailing List <linux-usb@vger.kernel.org>,
	Linux OMAP Mailing List <linux-omap@vger.kernel.org>
Subject: Re: [PATCH 2/6] usb: gadget: omap_udc: remove useless print
Date: Fri, 1 Jun 2012 04:45:20 -0700	[thread overview]
Message-ID: <20120601114520.GQ12766@atomide.com> (raw)
In-Reply-To: <20120601110751.GM15957@arwen.pp.htv.fi>

* Felipe Balbi <balbi@ti.com> [120601 04:13]:
> Hi,
> 
> On Fri, Jun 01, 2012 at 04:01:24AM -0700, Tony Lindgren wrote:
> > * Felipe Balbi <balbi@ti.com> [120529 05:22]:
> > > that print isn't needed at all. Remove it
> > > and move the use_dma reinitialization to
> > > probe() function.
> > > 
> > > Note that ideally we would drop all
> > > cpu_is_* and machine_is_* checks from
> > > this driver instead. Later patches will
> > > come to get rid of those.
> > > 
> > > Signed-off-by: Felipe Balbi <balbi@ti.com>
> > > ---
> > >  drivers/usb/gadget/omap_udc.c |   13 +++----------
> > >  1 file changed, 3 insertions(+), 10 deletions(-)
> > > 
> > > diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
> > > index aa2d174..5e7b891 100644
> > > --- a/drivers/usb/gadget/omap_udc.c
> > > +++ b/drivers/usb/gadget/omap_udc.c
> > > @@ -2800,6 +2800,9 @@ static int __init omap_udc_probe(struct platform_device *pdev)
> > >  	struct clk		*dc_clk = NULL;
> > >  	struct clk		*hhc_clk = NULL;
> > >  
> > > +	if (cpu_is_omap7xx())
> > > +		use_dma = 0;
> > > +
> > >  	/* NOTE:  "knows" the order of the resources! */
> > >  	if (!request_mem_region(pdev->resource[0].start,
> > >  			pdev->resource[0].end - pdev->resource[0].start + 1,
> > 
> > I think this would break omap_udc for 7xx as it then tries to use
> > DMA as USED_MA is set by default?
> 
> I'm clearing it in the start of probe function. There's not functional
> changes at all. use_dma is ON by default, then our probe gets called and
> first thing we do is clear use_dma to zero when we're running on
> omap7xx. I don't see the issue, maybe I'm missing something.

OK thanks for clarifying, sounds like it should work then.

Tony


  reply	other threads:[~2012-06-01 11:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-29 12:15 [PATCH 0/6] usb: gadget: omap_udc: cleanup patches Felipe Balbi
2012-05-29 12:15 ` [PATCH 1/6] usb: gadget: omap_udc: make checkpatch.pl happy Felipe Balbi
2012-05-29 12:15 ` [PATCH 2/6] usb: gadget: omap_udc: remove useless print Felipe Balbi
     [not found]   ` <1338293761-9457-3-git-send-email-balbi-l0cyMroinI0@public.gmane.org>
2012-06-01 11:01     ` Tony Lindgren
     [not found]       ` <20120601110123.GK12766-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2012-06-01 11:07         ` Felipe Balbi
2012-06-01 11:45           ` Tony Lindgren [this message]
     [not found] ` <1338293761-9457-1-git-send-email-balbi-l0cyMroinI0@public.gmane.org>
2012-05-29 12:15   ` [PATCH 3/6] usb: gadget: omap_udc: let it work as a module Felipe Balbi
2012-05-29 12:15   ` [PATCH 4/6] usb: gadget: omap_udc: remove possiblity of NULL pointer de-reference Felipe Balbi
2012-05-29 12:16   ` [PATCH 5/6] usb: gadget: omap_udc: kfree(NULL) is safe Felipe Balbi
2012-05-29 12:16 ` [PATCH 6/6] usb: gadget: omap_udc: use generic map/unmap routines Felipe Balbi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20120601114520.GQ12766@atomide.com \
    --to=tony@atomide.com \
    --cc=balbi@ti.com \
    --cc=linux-omap@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).