On 10/15/2012 02:47 PM, Alexandre Pereira da Silva wrote:
> The STOTG04 is an replacement for ISP1301.
> 
> Most of the registers on STOTG04 are the same as on ISP1301, but the
> register ISP1301_I2C_OTG_CONTROL_2 (address 0x10) doesn't exist on the
> ST part.
> 
> This is a work around for this by using the interrupt source register that
> should behave the same on both parts and has the needed information.
> 
> Signed-off-by: Alexandre Pereira da Silva <aletes....@gmail.com>

Tested-by: Roland Stigge <sti...@antcom.de>

> ---
> 
> This patch is very important to LPC32xx users. IMHO this should go in for 
> 3.7-rc2.
> 
>  drivers/usb/gadget/lpc32xx_udc.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/gadget/lpc32xx_udc.c 
> b/drivers/usb/gadget/lpc32xx_udc.c
> index f696fb9..21a9861 100644
> --- a/drivers/usb/gadget/lpc32xx_udc.c
> +++ b/drivers/usb/gadget/lpc32xx_udc.c
> @@ -2930,10 +2930,10 @@ static void vbus_work(struct work_struct *work)
>  
>               /* Get the VBUS status from the transceiver */
>               value = i2c_smbus_read_byte_data(udc->isp1301_i2c_client,
> -                                              ISP1301_I2C_OTG_CONTROL_2);
> +                                              ISP1301_I2C_INTERRUPT_SOURCE);
>  
>               /* VBUS on or off? */
> -             if (value & OTG_B_SESS_VLD)
> +             if (value & INT_SESS_VLD)
>                       udc->vbus = 1;
>               else
>                       udc->vbus = 0;

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