On Tue, May 06, 2008 at 10:19:14AM +0200, Gerhard Pircher wrote: > > -------- Original-Nachricht -------- > > Datum: Mon, 5 May 2008 22:55:38 +0400 > > Von: Anton Vorontsov <[EMAIL PROTECTED]> > > An: Kumar Gala <[EMAIL PROTECTED]> > > CC: linuxppc-dev@ozlabs.org > > Betreff: [PATCH 1/2] [POWERPC] rtc_cmos_setup: assign interrupts only if > > there is i8259 PIC > > > Sometimes (particularly on MPC8610HPCD) we want IRQ-less CMOS RTC for > > the boards without (or disabled) i8259 PICs. > > > > We lookup the device tree for "chrp,iic" compatible devices, and if not > > found we do not assign RTC IRQ. > > > > Signed-off-by: Anton Vorontsov <[EMAIL PROTECTED]> > > --- > > arch/powerpc/sysdev/rtc_cmos_setup.c | 21 +++++++++++++++------ > > 1 files changed, 15 insertions(+), 6 deletions(-) > > > > diff --git a/arch/powerpc/sysdev/rtc_cmos_setup.c > > b/arch/powerpc/sysdev/rtc_cmos_setup.c > > index c09ddc0..e5d0bcb 100644 > > --- a/arch/powerpc/sysdev/rtc_cmos_setup.c > > +++ b/arch/powerpc/sysdev/rtc_cmos_setup.c > > @@ -21,6 +21,7 @@ static int __init add_rtc(void) > > struct device_node *np; > > struct platform_device *pd; > > struct resource res[2]; > > + unsigned int num_res = 1; > > int ret; > > > > memset(&res, 0, sizeof(res)); > > @@ -41,14 +42,22 @@ static int __init add_rtc(void) > > if (res[0].start != RTC_PORT(0)) > > return -EINVAL; > > > > - /* Use a fixed interrupt value of 8 since on PPC if we are using this > > - * its off an i8259 which we ensure has interrupt numbers 0..15. */ > > - res[1].start = 8; > > - res[1].end = 8; > > - res[1].flags = IORESOURCE_IRQ; > > + np = of_find_compatible_node(NULL, NULL, "chrp,iic"); > Could you add a check for "pnpPNP,000" (PNP ID for i8259), as not all > platforms use the CHRP names?
Ok, will do. Thanks, -- Anton Vorontsov email: [EMAIL PROTECTED] irc://irc.freenode.net/bd2 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
