On Tue, Sep 7, 2010 at 9:02 AM, Syed Mohammed, Khasim <[email protected]> wrote: > > >> -----Original Message----- >> From: Syed Mohammed, Khasim >> Sent: Thursday, September 02, 2010 10:35 PM >> To: 'Kevin Hilman'; Victor Rodriguez >> Cc: [email protected] >> Subject: RE: [PATCH] hawkboard v_2 >> >> Kevin, >> >> > -----Original Message----- >> > From: davinci-linux-open-source-bounces+khasim=ti....@linux.davincidsp.com >> > [mailto:davinci-linux-open-source- >> [email protected]] >> > On Behalf Of Kevin Hilman >> > Sent: Thursday, September 02, 2010 10:30 PM >> > To: Victor Rodriguez >> > Cc: [email protected] >> > Subject: Re: [PATCH] hawkboard v_2 >> > >> > Victor Rodriguez <[email protected]> writes: >> > >> > > Basic support for Hawkboard OMAPL138 just UART cominication is included >> > > >> > > Signed-off-by: Victor Rodriguez <[email protected]> >> > > >> > >> > [...] >> > >> > > +static __init void omapl138_hawk_init(void) >> > > +{ >> > > + >> > > + davinci_serial_init(&omapl138_hawk_uart_config); >> > > + >> > > + /* >> > > + * 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 Thanks Victor Rodriguez _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
