> On 11/28/2011 04:06 AM, Chen Peter-B29397 wrote: >> Hi lists: >> >> Tony Lin has submitted Freescale mx28 USB Patch at August >> (See: http://www.spinics.net/lists/linux-usb/msg50201.html), but it hasn't been accepted. >> I would like to re-submit mx28 usb patches, before that, I would like get some suggestion >> from you. I think your suggestion will also be benefit for coming mx53, mx50 and mx6q's submission. >> >> All Recently Freescale SoC's USB controller are the same, they are mx23, mx25, mx28, mx31, mx35, >> mx37, mx50, mx51, mx53, and mx6. >> But, the transceiver is different between them >> mx23, mx28, mx6 (Transceiver A) >> mx25 mx31, mx35,mx37, mx50, mx51, mx53 (Transceiver B) >> >> Current upstream platform information: >> mx23 mx28 ==> mxs platfrom >> others (including mx6) ==> mxc platform >> >> Current upstream USB information: >> mx25, mx3x, mx51: ehci-mxc.c (host), fsl_mxc_udc.c(device, main functions are at fsl_udc_core.c) >> >> My plan of submitting mx28 (mx53,mx50, mx6 later if possible): >> 1. Replace cpu_is_mxxx() with struct platform_device_id for ehci-mxc.c and fsl_mxc_udc.c > > The cpu_is_mxxx() code in the clock handling code can be removed by > introducing the missing clocks as no-op clocks on the other cores. The reason do this is most of driver doesn't accept cpu_is_xx any more. In order to support mx28 (mx6q later) and coming device tree, I have decided to do this patch > >> 2. Using ehci-mxc.c and fsl_mxc_udc.c for mx28 upstreaming. >> For Step 2, I have concern that whether mxs platform users will be confused of their >> usb driver named xxx_mxc, not xxx_mxs? >> If mxs maintainers think it will cause confusion, I would like to change names to ehci-imx.c >> and fsl_imx_udc.c for all recent Freescale SoC's (from mx23 to mx6), is it suitable? >> 3. Create transceiver driver for mx28, and it will also be used for mx6. > > For the usb device part, I'm supporting with Robert's suggesting, first > mainline Heikki's otg patches, improve the ci13xxx driver. I will discuss with Heikki, what's status for this patch, and what can I help to do it > > cheers, 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 | > -- 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
