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Message-ID: <D958900912E20642BCBC71664EFECE3E6DDE14DCF5@BGMAIL02.nvidia.com>
Date: Tue, 28 Aug 2012 18:06:14 +0530
From: Venu Byravarasu <vbyravarasu@...dia.com>
To: "balbi@...com" <balbi@...com>
CC: "ccross@...roid.com" <ccross@...roid.com>,
"olof@...om.net" <olof@...om.net>,
"swarren@...dotorg.org" <swarren@...dotorg.org>,
"linux@....linux.org.uk" <linux@....linux.org.uk>,
"stern@...land.harvard.edu" <stern@...land.harvard.edu>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: RE: [PATCH] usb: tegra: moving phy driver into drivers directory
> -----Original Message-----
> From: Felipe Balbi [mailto:balbi@...com]
> Sent: Tuesday, August 28, 2012 3:19 PM
> To: Venu Byravarasu
> Cc: ccross@...roid.com; olof@...om.net; swarren@...dotorg.org;
> linux@....linux.org.uk; stern@...land.harvard.edu;
> gregkh@...uxfoundation.org; balbi@...com; linux-kernel@...r.kernel.org;
> linux-tegra@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-
> usb@...r.kernel.org
> Subject: Re: [PATCH] usb: tegra: moving phy driver into drivers directory
>
> * PGP Signed by an unknown key
>
> Hi,
>
> On Tue, Aug 28, 2012 at 03:02:18PM +0530, Venu Byravarasu wrote:
> > In order to keep up with the USB driver files organization,
> > moving USB phy driver from mach-tegra to drivers/USB directory.
> >
> > Signed-off-by: Venu Byravarasu <vbyravarasu@...dia.com>
> > ---
> > arch/arm/mach-tegra/Makefile | 1 -
> > arch/arm/mach-tegra/devices.c | 8 +-------
> > arch/arm/mach-tegra/devices.h | 2 --
> > drivers/usb/host/ehci-tegra.c | 2 +-
> > drivers/usb/phy/Makefile | 1 +
> > .../usb_phy.c => drivers/usb/phy/tegra_usb_phy.c | 4 +---
> > .../usb_phy.h => drivers/usb/phy/tegra_usb_phy.h | 2 --
> > 7 files changed, 4 insertions(+), 16 deletions(-)
> > rename arch/arm/mach-tegra/usb_phy.c =>
> drivers/usb/phy/tegra_usb_phy.c (99%)
> > rename arch/arm/mach-tegra/include/mach/usb_phy.h =>
> drivers/usb/phy/tegra_usb_phy.h (97%)
> >
> > diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-
> tegra/Makefile
> > index b94858f..b542dac 100644
> > --- a/arch/arm/mach-tegra/Makefile
> > +++ b/arch/arm/mach-tegra/Makefile
> > @@ -25,7 +25,6 @@ obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
> > obj-$(CONFIG_TEGRA_SYSTEM_DMA) += dma.o
> > obj-$(CONFIG_CPU_FREQ) += cpu-tegra.o
> > obj-$(CONFIG_TEGRA_PCI) += pcie.o
> > -obj-$(CONFIG_USB_SUPPORT) += usb_phy.o
> >
> > obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += board-dt-
> tegra20.o
> > obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += board-dt-
> tegra30.o
> > diff --git a/arch/arm/mach-tegra/devices.c b/arch/arm/mach-
> tegra/devices.c
> > index 61e9603..232d7e1 100644
> > --- a/arch/arm/mach-tegra/devices.c
> > +++ b/arch/arm/mach-tegra/devices.c
> > @@ -26,7 +26,6 @@
> > #include <mach/irqs.h>
> > #include <mach/iomap.h>
> > #include <mach/dma.h>
> > -#include <mach/usb_phy.h>
> >
> > #include "gpio-names.h"
> > #include "devices.h"
> > @@ -438,11 +437,6 @@ static struct resource tegra_usb3_resources[] = {
> > },
> > };
> >
> > -struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config = {
> > - .reset_gpio = -1,
> > - .clk = "cdev2",
> > -};
> > -
> > struct tegra_ehci_platform_data tegra_ehci1_pdata = {
> > .operating_mode = TEGRA_USB_OTG,
> > .power_down_on_bus_suspend = 1,
> > @@ -450,7 +444,7 @@ struct tegra_ehci_platform_data tegra_ehci1_pdata
> = {
> > };
> >
> > struct tegra_ehci_platform_data tegra_ehci2_pdata = {
> > - .phy_config = &tegra_ehci2_ulpi_phy_config,
> > + .phy_config = NULL,
> > .operating_mode = TEGRA_USB_HOST,
> > .power_down_on_bus_suspend = 1,
> > .vbus_gpio = -1,
> > diff --git a/arch/arm/mach-tegra/devices.h b/arch/arm/mach-
> tegra/devices.h
> > index 4f50527..6bac5e6 100644
> > --- a/arch/arm/mach-tegra/devices.h
> > +++ b/arch/arm/mach-tegra/devices.h
> > @@ -22,8 +22,6 @@
> > #include <linux/platform_device.h>
> > #include <linux/platform_data/tegra_usb.h>
> >
> > -#include <mach/usb_phy.h>
> > -
> > extern struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config;
> >
> > extern struct tegra_ehci_platform_data tegra_ehci1_pdata;
> > diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
> > index 75eca42..a03e279 100644
> > --- a/drivers/usb/host/ehci-tegra.c
> > +++ b/drivers/usb/host/ehci-tegra.c
> > @@ -27,7 +27,7 @@
> > #include <linux/of_gpio.h>
> > #include <linux/pm_runtime.h>
> >
> > -#include <mach/usb_phy.h>
> > +#include "../phy/tegra_usb_phy.h"
> > #include <mach/iomap.h>
> >
> > #define TEGRA_USB_DMA_ALIGN 32
> > diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
> > index eca095b..663164f 100644
> > --- a/drivers/usb/phy/Makefile
> > +++ b/drivers/usb/phy/Makefile
> > @@ -5,3 +5,4 @@
> > ccflags-$(CONFIG_USB_DEBUG) := -DDEBUG
> >
> > obj-$(CONFIG_USB_ISP1301) += isp1301.o
> > +obj-$(CONFIG_USB_EHCI_TEGRA) += tegra_usb_phy.o
> > diff --git a/arch/arm/mach-tegra/usb_phy.c
> b/drivers/usb/phy/tegra_usb_phy.c
> > similarity index 99%
> > rename from arch/arm/mach-tegra/usb_phy.c
> > rename to drivers/usb/phy/tegra_usb_phy.c
> > index 022b33a..c856716 100644
> > --- a/arch/arm/mach-tegra/usb_phy.c
> > +++ b/drivers/usb/phy/tegra_usb_phy.c
> > @@ -1,6 +1,4 @@
> > /*
> > - * arch/arm/mach-tegra/usb_phy.c
> > - *
> > * Copyright (C) 2010 Google, Inc.
> > *
> > * Author:
> > @@ -31,7 +29,7 @@
> > #include <linux/usb/ulpi.h>
> > #include <asm/mach-types.h>
> > #include <mach/gpio-tegra.h>
> > -#include <mach/usb_phy.h>
> > +#include "tegra_usb_phy.h"
> > #include <mach/iomap.h>
> >
> > #define ULPI_VIEWPORT 0x170
>
> NAK, needs to be converted to proper PHY driver (misnamed as
> include/linux/usb/otg.h). You will need proper phy->init, phy->suspend,
> phy->resume, etc callbacks.
>
Thanks Felipe for your comments.
Created a patch to separate out phy related stuff to phy.h with you as a reviewer.
Plz let me know your comments.
Thanks,
Venu
> --
> balbi
>
> * Unknown Key
> * 0x35CAA444
--
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