From mboxrd@z Thu Jan 1 00:00:00 1970 From: kishon@ti.com (Kishon Vijay Abraham I) Date: Tue, 26 Nov 2013 15:53:32 +0530 Subject: [PATCH v3 5/9] usb: gadget: s3c-hsotg: use generic phy_init()/phy_exit() support In-Reply-To: <1385403367-18144-6-git-send-email-matt.porter@linaro.org> References: <1385403367-18144-1-git-send-email-matt.porter@linaro.org> <1385403367-18144-6-git-send-email-matt.porter@linaro.org> Message-ID: <529476A4.8080600@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Monday 25 November 2013 11:46 PM, Matt Porter wrote: > If a generic phy is present, call phy_init()/phy_exit(). This supports > generic phys that must be soft reset before power on. > > Signed-off-by: Matt Porter > --- > drivers/usb/gadget/s3c-hsotg.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c > index da3879b..8dfe33f 100644 > --- a/drivers/usb/gadget/s3c-hsotg.c > +++ b/drivers/usb/gadget/s3c-hsotg.c > @@ -3622,6 +3622,9 @@ static int s3c_hsotg_probe(struct platform_device *pdev) > goto err_supplies; > } > > + if (hsotg->phy) IS_ERR? If your phy_get fails *phy* will have a error value.. > + phy_init(hsotg->phy); > + > /* usb phy enable */ > s3c_hsotg_phy_enable(hsotg); > > @@ -3715,6 +3718,8 @@ static int s3c_hsotg_remove(struct platform_device *pdev) > } > > s3c_hsotg_phy_disable(hsotg); > + if (hsotg->phy) same here. Thanks Kishon