Re: [patch] usb: phy: msm: fix bug in probe()

[Dan Carpenter <dan.carpenter@oracle.com>]

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" <iivanov@mm-sol.com>
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> > 
> > 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