Messages in this thread Patch in this message | | | Date | Sun, 9 Feb 2003 00:47:18 -0800 (PST) | From | Paul Gortmaker <> | Subject | Re: [PATCH][Trvial 2.5.59] rtc.c is requesting more ioports then it really uses |
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Seems fine with me. If memory serves correctly the 0x10 came from kernels prior to the rtc driver where the range was requested as part of the generic i386 specific i/o space that was off limits.
Paul.
--- "Randy.Dunlap" <rddunlap@osdl.org> wrote: > On 7 Feb 2003, Rusty Lynch wrote: > > | I need to enable a device that talks to port 0x79h, but for some > | reason the rtc is requesting move bytes then it really uses. Here > | is a patch that makes the rtc only request what it uses. > | > | --rustyl > | > | --- drivers/char/rtc.c.orig 2003-02-07 14:35:31.000000000 -0800 > | +++ drivers/char/rtc.c 2003-02-07 13:25:45.000000000 -0800 > | @@ -47,7 +47,7 @@ > | > | #define RTC_VERSION "1.11" > | > | -#define RTC_IO_EXTENT 0x10 /* Only really two ports, but... */ > | +#define RTC_IO_EXTENT 0x2 > | > | /* > | * Note that *all* calls to CMOS_READ and CMOS_WRITE are done with > | - > > Some Intel chipset specs list RTC as using 0x70 - 0x77, probably with > some aliasing in there, so it looks to me like an EXTENT of 8 would be > safer and still allow you access to 0x79. > > I'm looking at 82801BA-ICH2, 82801-ICH3, and 82801AA-ICH0 specs. > > -- > ~Randy >
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