From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Tue, 20 May 2014 08:25:07 +0000 Subject: Re: [patch] usb: phy: msm: fix bug in probe() Message-Id: <20140520082507.GB17724@mwanda> List-Id: References: <20140519203519.GB5671@mwanda> In-Reply-To: <20140519203519.GB5671@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org On Tue, May 20, 2014 at 10:19:12AM +0300, Ivan T. Ivanov wrote: > On Mon, 2014-05-19 at 23:35 +0300, Dan Carpenter wrote: > > My previous patch introduced a bug which prevented this driver from > > loading. devm_ioremap_resource() has a call to > > devm_request_mem_region() which will fail because the address space is > > shared between this PHY driver and CI device controller driver. > > > > Fixes: 10f0577aa5cb ('usb: phy: msm: change devm_ioremap() to devm_ioremap_resource()') > > Reported-by:"Ivan T. Ivanov" > > Signed-off-by: Dan Carpenter > > > > diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c > > index 4f88174..ced34f3 100644 > > --- a/drivers/usb/phy/phy-msm-usb.c > > +++ b/drivers/usb/phy/phy-msm-usb.c > > @@ -1586,9 +1586,11 @@ static int msm_otg_probe(struct platform_device *pdev) > > np ? "alt_core" : "usb_hs_core_clk"); > > > > res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > > - motg->regs = devm_ioremap_resource(&pdev->dev, res); > > - if (IS_ERR(motg->regs)) > > - return PTR_ERR(motg->regs); > > + if (!res) > > + return -EINVAL; > > + motg->regs = devm_ioremap(&pdev->dev, res->start, resource_size(res)); > > + if (!motg->regs) > > + return -ENOMEM; > > Well, I don't think that your previous patch was merged anywhere. > Or I am missing something? Yeah. It was merged. regards, dan carpenter