[U-Boot] [PATCH v2 0/2] usb: gadget: fotg210: workaround & new hardware support

Marek Vasut marex at denx.de
Fri Dec 20 12:22:20 CET 2013


On Friday, December 20, 2013 at 05:32:58 AM, Kuo-Jung Su wrote:
> From: Kuo-Jung Su <dantesu at faraday-tech.com>
> 
> 1. It's known that EP0 fifo empty indication is not reliable, an extra
> delay is necessary to avoid data corruption while handling packets with
> size greater than 64 bytes.
> 
> 2. Since hardware revision 1.11.0, some fields of interrupt status
> registers are now write-1-clear.
> 
> Changes for v2:
> 	- usb: gadget: fotg210: add w1c interrupt status support:
> 	  By writting 1 then 0 to get rid of the use of
> 	  CONFIG_USB_GADGET_FOTG210_ISRW1C.
> 	  Thanks for Marek's comments.
> 	- usb: gadget: fotg210: EP0 fifo empty indication is non-reliable
> 	  udelay_masked() -> udelay(), and patch comment updates.
> 
> Kuo-Jung Su (2):
>   usb: gadget: fotg210: add w1c interrupt status support
>   usb: gadget: fotg210: EP0 fifo empty indication is non-reliable
> 
>  drivers/usb/gadget/fotg210.c |   15 +++++++++++++++
>  1 file changed, 15 insertions(+)

Applied both , thanks!

btw. is this FOTG210 stuff used by any platform or is this just a dead code ?

Best regards,
Marek Vasut


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