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usb: mv_udc: Unbreak the mv_udc driver 

The mv_udc driver is broken for a while and doesn't even compile.
This patch fixes the issues and gets the driver into working state
again. This driver was tested on Freescale i.MX233/i.MX28 .

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Lei Wen <leiwen@marvell.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Marek Vasut 2013-07-10 03:16:27 +02:00
parent 9fab4bf4cc
commit a7eafcfe45
3 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/serial/usbtty.h
View File

@ -22,6 +22,8 @@
#include <usb/pxa27x_udc.h> #include <usb/pxa27x_udc.h>
#elif defined(CONFIG_DW_UDC) #elif defined(CONFIG_DW_UDC)
#include <usb/designware_udc.h> #include <usb/designware_udc.h>
#elif defined(CONFIG_MV_UDC)
#include <usb/mv_udc.h>
#endif #endif
#include <version.h> #include <version.h>

2
drivers/usb/gadget/gadget_chips.h
View File

@ -144,7 +144,7 @@
#define gadget_is_m66592(g) 0 #define gadget_is_m66592(g) 0
#endif #endif
#ifdef CONFIG_USB_GADGET_MV #ifdef CONFIG_MV_UDC
#define gadget_is_mv(g) (!strcmp("mv_udc", (g)->name)) #define gadget_is_mv(g) (!strcmp("mv_udc", (g)->name))
#else #else
#define gadget_is_mv(g) 0 #define gadget_is_mv(g) 0

7
drivers/usb/gadget/mv_udc.c
View File

@ -17,6 +17,10 @@
#include <linux/types.h> #include <linux/types.h>
#include <usb/mv_udc.h> #include <usb/mv_udc.h>
#if CONFIG_USB_MAX_CONTROLLER_COUNT > 1
#error This driver only supports one single controller.
#endif
#ifndef DEBUG #ifndef DEBUG
#define DBG(x...) do {} while (0) #define DBG(x...) do {} while (0)
#else #else
@ -453,6 +457,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
{ {
struct mv_udc *udc = controller.udc; struct mv_udc *udc = controller.udc;
int retval; int retval;
void *ctrl;
if (!driver if (!driver
|| driver->speed < USB_SPEED_FULL || driver->speed < USB_SPEED_FULL
@ -463,7 +468,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
} }
if (!mvudc_probe()) { if (!mvudc_probe()) {
usb_lowlevel_init(); usb_lowlevel_init(0, &ctrl);
/* select ULPI phy */ /* select ULPI phy */
writel(PTS(PTS_ENABLE) | PFSC, &udc->portsc); writel(PTS(PTS_ENABLE) | PFSC, &udc->portsc);
} }