On Mon, Jan 27, 2014 at 02:46:40PM -0500, Josh Boyer wrote:
> On Mon, Jan 27, 2014 at 3:44 PM, Sergei Shtylyov
> <sergei.shtyl...@cogentembedded.com> wrote:
> > Hello.
> >
> >
> > On 01/27/2014 10:23 PM, Josh Boyer wrote:
> >
> >> the PHY layer is supposed to be optional,
> >> considering some PHY have no control bus
> >> for SW to poke around.
> >
> >
> >> After commit 1ae5799 (usb: hcd: Initialize
> >> USB phy if needed) any HCD which didn't provide
> >> a PHY driver would emit annoying error messages.
> >
> >
> >> In this patch we're decreasing those messages
> >> to dev_dbg for debugging only and so we know where
> >> they're coming from.
> >
> >
> >> Reported-by: Josh Boyer <jwbo...@fedoraproject.org>
> >> Signed-off-by: Felipe Balbi <ba...@ti.com>
> >> Signed-off-by: Josh Boyer <jwbo...@fedoraproject.org>
> >> ---
> >
> >
> >> v2: Switch to using dev_dbg
> >
> >
> >>   drivers/usb/phy/phy.c | 8 +++-----
> >>   1 file changed, 3 insertions(+), 5 deletions(-)
> >
> >
> >> diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
> >> index e6f61e4..db18011 100644
> >> --- a/drivers/usb/phy/phy.c
> >> +++ b/drivers/usb/phy/phy.c
> >> @@ -130,7 +130,7 @@ struct usb_phy *usb_get_phy(enum usb_phy_type type)
> >>
> >>         phy = __usb_find_phy(&phy_list, type);
> >>         if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
> >> -               pr_err("unable to find transceiver of type %s\n",
> >> +               dev_dbg(phy->dev, "unable to find transceiver of type
> >> %s\n",
> >
> >
> >    'phy' is possibly invalid (error ptr) at this point, you cannot
> > dereference it.
> 
> Oh, yes.  Duh, I should have spotted that.
> 
> Felipe, can we just go with your original patch?  It avoids having to
> worry about the dev parameter to dev_dbg.

fine by me, no problem. Can I get a Tested-by or Reviewed-by on that ?

(Tested-by gets more points heh)

-- 
balbi

Attachment: signature.asc
Description: Digital signature

Reply via email to