Hi Manjunath, Thanks for the review, Please find my response inline. With Regards Srinath -----Original Message----- From: G, Manjunath Kondaiah [mailto:manjugk@xxxxxx] Sent: Thursday, December 02, 2010 11:56 AM To: srinath@xxxxxxxxxxxxxxxxxxxx Cc: linux-omap@xxxxxxxxxxxxxxx; jdk@xxxxxx; tony@xxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux@xxxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; khilman@xxxxxxxxxxxxxxxxxxx; nm@xxxxxx; nagendra@xxxxxxxxxxxxxxxxxxxx; umeshk@xxxxxxxxxxxxxxxxxxxx Subject: Re: [Patch v3] AM35xx: Craneboard: Add USB EHCI support * srinath@xxxxxxxxxxxxxxxxxxxx <srinath@xxxxxxxxxxxxxxxxxxxx> [2010-12-01 22:28:50 +0530]: > From: Srinath <srinath@xxxxxxxxxxxxxxxxxxxx> > > AM3517/05 Craneboard has one EHCI interface on board using port1. > > GPIO35 is used as power enable. > GPIO38 is used as port1 PHY reset. > > History: > http://marc.info/?l=linux-omap&w=2&r=1&s=Craneboard%3A+Add+USB+EHCI+support& q=t > > Signed-off-by: Srinath <srinath@xxxxxxxxxxxxxxxxxxxx> > --- > arch/arm/mach-omap2/board-am3517crane.c | 40 +++++++++++++++++++++++++++++++ > 1 files changed, 40 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c > index 13ead33..6fd5dfe 100644 > --- a/arch/arm/mach-omap2/board-am3517crane.c > +++ b/arch/arm/mach-omap2/board-am3517crane.c > @@ -28,8 +28,13 @@ > [...] > static void __init am3517_crane_init(void) > { > + int ret; > + > omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); > omap_serial_init(); > + > + /* Configure GPIO for EHCI port */ > + omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT); This is non void function. You can consider return value for further processing. <Srinath> Sure, I will put check and resend patch > + > + ret = gpio_request(GPIO_USB_POWER, "usb_ehci_enable"); > + if (ret < 0) { > + pr_err("Cannot request GPIO %d\n", GPIO_USB_POWER); > + return; > + } > + > + ret = gpio_direction_output(GPIO_USB_POWER, 1); > + if (ret < 0) > + goto err; > + > + omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT); -Ditto- <Srinath> Sure, I will put check and resend patch Also, why there is no gpio_request for "GPIO_USB_NRESET" <Srinath> This is taken care by USB driver in drivers/usb/host/ehci-omap.c -Manjunath [...] -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html