From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 2/6] usb: gadget: omap_udc: remove useless print Date: Fri, 1 Jun 2012 04:45:20 -0700 Message-ID: <20120601114520.GQ12766@atomide.com> References: <1338293761-9457-1-git-send-email-balbi@ti.com> <1338293761-9457-3-git-send-email-balbi@ti.com> <20120601110123.GK12766@atomide.com> <20120601110751.GM15957@arwen.pp.htv.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:15551 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758919Ab2FALpW (ORCPT ); Fri, 1 Jun 2012 07:45:22 -0400 Content-Disposition: inline In-Reply-To: <20120601110751.GM15957@arwen.pp.htv.fi> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Felipe Balbi Cc: Linux USB Mailing List , Linux OMAP Mailing List * Felipe Balbi [120601 04:13]: > Hi, > > On Fri, Jun 01, 2012 at 04:01:24AM -0700, Tony Lindgren wrote: > > * Felipe Balbi [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 > > > --- > > > 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