Hello Peter and Greg, On 01/06/2014 03:10 AM, 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> please add stable on Cc for this and the next two patches: [PATCH 4/8] usb: ehci: add freescale imx28 special write register method [PATCH 5/8] usb: chipidea: add freescale imx28 special write register method [PATCH 6/8] usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28 Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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