RE: Re: What's up with the Embedded Controller driver? [was Re: [ACPI] patched sms-cm acpi/ec.c to 2.6.11.5]

Yu, Luming
2005-03-29T15:01:27Z

I'm sorry, what is sbs-cm packag?
Please make sure sbs-cm package is using ec_read/write functions defined in ec.c

Thanks
Luming

>-----Original Message-----
>From: Rich Townsend [mailto:rhdt@bartol.udel.edu]
>Sent: 2005年3月29日 22:50
>To: Yu, Luming
>Cc: François Valenduc; ACPI devel
>Subject: Re: [ACPI] Re: What's up with the Embedded Controller
>driver? [was Re: [ACPI] patched sms-cm acpi/ec.c to 2.6.11.5]
>
>Yu, Luming wrote:
>> You modified DSDT just remove some AML methods that related to EC.
>> That means it just delete the problem.
>> I believe if you think this is the regression, just because
>the changeset
>>
>http://linux-acpi.bkbits.net:8080/26-latest-test/diffs/include/
>acpi/acconfig.h@1.55?nav=index.html|src/.|src/include|src/inclu
de/acpi|hist/include/acpi/acconfig.h
>> make _those AML methods just run.
>> So, this is NOT a regression problem.
>>
>> Please cat /proc/interrupts to me before accessing EC and
>after accessing EC.(using burst mode EC patch)
>>
>
>Hi Yuming --
>
>I'm using your ec patch, plus a DSDT modified using my sbs-cm package
>(which accesses the Smart Battery system through the EC address space
>handler). Here's what happens to the interrupts when I access
>the battery:
>
>rhdt@sto ~ $ cat /proc/interrupts
> CPU0
> 0: 127116981 XT-PIC timer
> 1: 213426 XT-PIC i8042
> 2: 0 XT-PIC cascade
> 6: 171382 XT-PIC i915@pci:0000:00:02.0, uhci_hcd,
>uhci_hcd, uhci_hcd, eth1
> 8: 8 XT-PIC rtc
> 9: 3305062 XT-PIC acpi
> 10: 1965890 XT-PIC Intel 82801DB-ICH4, yenta, ehci_hcd,
>ipw2200
> 12: 4335843 XT-PIC i8042
> 14: 466033 XT-PIC ide0
> 15: 28 XT-PIC ide1
>NMI: 0
>LOC: 0
>ERR: 0
>rhdt@sto ~ $ cat /proc/acpi/battery/BAT0/state
>present: yes
>capacity state: ok
>charging state: charged
>present rate: 0 mA
>remaining capacity: 4081 mAh
>present voltage: 16699 mV
>rhdt@sto ~ $ cat /proc/interrupts
> CPU0
> 0: 127131974 XT-PIC timer
> 1: 213488 XT-PIC i8042
> 2: 0 XT-PIC cascade
> 6: 171462 XT-PIC i915@pci:0000:00:02.0, uhci_hcd,
>uhci_hcd, uhci_hcd, eth1
> 8: 8 XT-PIC rtc
> 9: 3305297 XT-PIC acpi
> 10: 1966133 XT-PIC Intel 82801DB-ICH4, yenta, ehci_hcd,
>ipw2200
> 12: 4335843 XT-PIC i8042
> 14: 466065 XT-PIC ide0
> 15: 28 XT-PIC ide1
>NMI: 0
>LOC: 0
>ERR: 0
>
>Note that the battery access took over 5 seconds! And note, of course,
>the big jump in the acpi interrupt count.
>
>cheers,
>
>Rich
>