>From: Tony Lindgren [mailto:tony@xxxxxxxxxxx] >To: Pandita, Vikram >Cc: Christensen, Mikkel; linux-omap@xxxxxxxxxxxxxxx >Subject: Re: [PATCH v3 1/3] OMAP3:zoom2: Add support for OMAP3 Zoom2 board > >* Pandita, Vikram <vikram.pandita@xxxxxx> [090519 17:10]: >> Tony >> >> >-----Original Message----- >> >From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of >> >Pandita, Vikram >> >Sent: Tuesday, May 19, 2009 7:01 PM >> >To: Tony Lindgren >> >Cc: Christensen, Mikkel; linux-omap@xxxxxxxxxxxxxxx >> >Subject: RE: [PATCH v3 1/3] OMAP3:zoom2: Add support for OMAP3 Zoom2 board >> > >> > >> > >> <snip> >> >> >> >>Well you still cannot have it as a late_initcall(), you should just call the >> >>function from board-zoom2.c. Otherwise it will run for all the boards. >> >> Way not execute the debug board function for other boards could be to put it under >> #ifdef CONFIG_MACH_OMAP_ZOOM2 >> >> static int __init omap_zoom2_debugboard_init(void) >> { >> #ifdef CONFIG_MACH_OMAP_ZOOM2 >> if (!omap_zoom2_debugboard_detect()) >> return 0; >> >> zoom2_init_smsc911x(); >> zoom2_init_quaduart(); >> return platform_add_devices(zoom2_devices, ARRAY_SIZE(zoom2_devices)); >> #endif >> } >> late_initcall(omap_zoom2_debugboard_init); >> >> >> The registration order of the UARTS with 8250 driver is all the reason we have to do this >_initcall() > >Hmm, OK. That sounds like a bug that's from some older code. We should probably >just do the platform_device_register in omap_serial_init(), then you can call >your zoom_debug_init() after omap_serial_init(). > >Care to do a separate patch to get rid of omap_init in mach-omap2/serial.c, and do >the registration in omap_serial_init()? Yes I can do that. I will submit the patch for this change. Following this I will resubmit Zoom2-board support version4 > >Regards, > >Tony > >> >> >> > >> >The problem is that serial.c: platform_device_register() for UART1/2/3 happens as arch_init(). >> > >> >We want that Quard/Dbg-board Uart console to appear as UART4(ttyS3) and so the >> >platform_device_register() has to happen after the arch_init() call from serial.c >> > >> >If we put the dbg-board init in .init_machine = omap_zoom2_init() function, then this gets >called >> >first before the serial.c:arch_init() and assigns ttyS0(UART0) to the debug board uart. >> > >> >This is not what we want to do. >> > >> > >> >> >> >>Regards, >> >> >> >>Tony >> >> >> > >> >-- >> >To unsubscribe from this list: send the line "unsubscribe linux-omap" in >> >the body of a message to majordomo@xxxxxxxxxxxxxxx >> >More majordomo info at http://vger.kernel.org/majordomo-info.html >> -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
