Re: [PATCH 3/7] usb: ehci: add freescale imx28 special write register method

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Dec 05, 2013 at 03:20:51PM +0800, Peter Chen wrote:
> According to Freescale imx28 Errata, "ENGR119653 USB: ARM to USB
> register error issue", All USB register write operations must
> use the ARM SWP instruction. So, we implement a special ehci_write
> for imx28.
> 
> Discussion for it at below:
> http://marc.info/?l=linux-usb&m=137996395529294&w=2
> 
> Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> Tested-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> ---
>  drivers/usb/host/ehci.h |   18 +++++++++++++++++-
>  1 files changed, 17 insertions(+), 1 deletions(-)

How is this a regression that needs to be fixed in 3.13-final?

thanks,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux