Hi Kevin, On Tue, Sep 07, 2010 at 21:05:29, Kevin Hilman wrote:
> >>> > > + /* > >>> > > + * shut down uart 0 and 1; they are not used on the board and > >>> > > + * accessing them causes endless "too much work in irq53" messages > >>> > > + * with arago fs > >>> > > + */ > >>> > > + __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30); > >>> > > + __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30); > >>> > > >>> > This hack/workaround needs to be removed and/or better described so we > >>> > know *why* such a thing is needed. > >>> > > >>> > Khasim, do you know what the root cause is here? > >>> I will have to look into this, I will get back to you in a day or two. > >>> > >> These lines were directly copied from da850 board file, I am still trying > >> to figure out if this is true for hawk as well. > >> > >> Looks like some thing is not handled properly in driver that is causing > >> this irq 53, we had similar issue in OMAP3 with irq33. > >> > >> I will have to discuss this with Sekhar, he is on vacation this week. Will > >> keep you updated as soon as I get more info into this. > >> > >> For now can we put a big disclaimer on this (TBD) and move forward? - this > >> is just a request. > >> > >> Regards, > >> Khasim > >> > > > > I agree if Kevin is ok I could propose one more version of the patch > > and keep working in the other things to rebase like USB, MMC and so on > > Yes, that's OK. > > I hadn't noticed it came from the da850 EVM board file. What I'd like > is for the da850 EVM board file to be cleaned up with a better > description of the problem as well, but that can be done by TI (Sekhar?) > as a separate patch. Yes, will fix this. Thanks, Sekhar _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
