| Message ID | 1422323129-20969-1-git-send-email-soren.brinkmann@xilinx.com |
|---|---|
| State | New |
| Headers | show |
On Mon, Jan 26, 2015 at 05:45:29PM -0800, Soren Brinkmann wrote: > A reset through a GPIO is optional. Don't fail probing when it is > missing. > > Reported-by: Andreas Färber <afaerber@suse.de> > Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> > --- > Hi Andreas, > > does this do the trick? > > Thanks, > Sören > > drivers/usb/phy/phy-generic.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c > index dd05254241fb..a73d4c738f0b 100644 > --- a/drivers/usb/phy/phy-generic.c > +++ b/drivers/usb/phy/phy-generic.c > @@ -241,10 +241,8 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, > > if (err == -EPROBE_DEFER) > return -EPROBE_DEFER; > - if (err) { > - dev_err(dev, "Error requesting RESET GPIO\n"); > - return err; > - } > + if (err) > + nop->gpiod_reset = NULL; there's a better patch to use gpiod_get_optional(), instead.
On Monday 26 January 2015 17:45:29 Soren Brinkmann wrote: > diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c > index dd05254241fb..a73d4c738f0b 100644 > --- a/drivers/usb/phy/phy-generic.c > +++ b/drivers/usb/phy/phy-generic.c > @@ -241,10 +241,8 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, > > if (err == -EPROBE_DEFER) > return -EPROBE_DEFER; > - if (err) { > - dev_err(dev, "Error requesting RESET GPIO\n"); > - return err; > - } > + if (err) > + nop->gpiod_reset = NULL; You might want to distinguish between a missing property and a reset gpio that was specified but for some reason cannot be used. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 2015-01-27 at 09:20AM -0600, Felipe Balbi wrote: > On Mon, Jan 26, 2015 at 05:45:29PM -0800, Soren Brinkmann wrote: > > A reset through a GPIO is optional. Don't fail probing when it is > > missing. > > > > Reported-by: Andreas Färber <afaerber@suse.de> > > Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> > > --- > > Hi Andreas, > > > > does this do the trick? > > > > Thanks, > > Sören > > > > drivers/usb/phy/phy-generic.c | 6 ++---- > > 1 file changed, 2 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c > > index dd05254241fb..a73d4c738f0b 100644 > > --- a/drivers/usb/phy/phy-generic.c > > +++ b/drivers/usb/phy/phy-generic.c > > @@ -241,10 +241,8 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, > > > > if (err == -EPROBE_DEFER) > > return -EPROBE_DEFER; > > - if (err) { > > - dev_err(dev, "Error requesting RESET GPIO\n"); > > - return err; > > - } > > + if (err) > > + nop->gpiod_reset = NULL; > > there's a better patch to use gpiod_get_optional(), instead. Great, apparently that wasn't in linux-next yesterday. I'll give it a shot once it arrives there. Sören -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Jan 27, 2015 at 11:13:08AM -0800, Sören Brinkmann wrote: > On Tue, 2015-01-27 at 09:20AM -0600, Felipe Balbi wrote: > > On Mon, Jan 26, 2015 at 05:45:29PM -0800, Soren Brinkmann wrote: > > > A reset through a GPIO is optional. Don't fail probing when it is > > > missing. > > > > > > Reported-by: Andreas Färber <afaerber@suse.de> > > > Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> > > > --- > > > Hi Andreas, > > > > > > does this do the trick? > > > > > > Thanks, > > > Sören > > > > > > drivers/usb/phy/phy-generic.c | 6 ++---- > > > 1 file changed, 2 insertions(+), 4 deletions(-) > > > > > > diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c > > > index dd05254241fb..a73d4c738f0b 100644 > > > --- a/drivers/usb/phy/phy-generic.c > > > +++ b/drivers/usb/phy/phy-generic.c > > > @@ -241,10 +241,8 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, > > > > > > if (err == -EPROBE_DEFER) > > > return -EPROBE_DEFER; > > > - if (err) { > > > - dev_err(dev, "Error requesting RESET GPIO\n"); > > > - return err; > > > - } > > > + if (err) > > > + nop->gpiod_reset = NULL; > > > > there's a better patch to use gpiod_get_optional(), instead. > > Great, apparently that wasn't in linux-next yesterday. I'll give it a > shot once it arrives there. It's still under discussion ;-)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index dd05254241fb..a73d4c738f0b 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -241,10 +241,8 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, if (err == -EPROBE_DEFER) return -EPROBE_DEFER; - if (err) { - dev_err(dev, "Error requesting RESET GPIO\n"); - return err; - } + if (err) + nop->gpiod_reset = NULL; nop->phy.otg = devm_kzalloc(dev, sizeof(*nop->phy.otg), GFP_KERNEL);
A reset through a GPIO is optional. Don't fail probing when it is missing. Reported-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> --- Hi Andreas, does this do the trick? Thanks, Sören drivers/usb/phy/phy-generic.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)