Re: [ACPI-sppt] howto patch osl.c

On Mon, Sep 22, 2003 at 11:17:27AM +0000, Thomas Glomann wrote:
> hi,
> i want to upgrade to a 2.4.22 kernel. (the ck - patched kernel from the gentoo 
> portage tree)
> I applied the latest acpi patch (from acpi.sf.net) . had some rejects but 
> fixed that manually. 
> Then I need to patch the drivers/acpi/osl.c so that I can use a custom DSDT 
> table.
> the page at http://www.cpqlinux.com/acpi-howto.html does provide a patch, 
> which i apllied manually. But there is something wrong at line 235.
> 
> make gives me the following output :
> ##################
> make[3]: Entering directory `/usr/src/linux-2.4.22-ck2/drivers/acpi'
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.22-ck2/include -Wall -Wstrict-prototypes 
> -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common -fomit-frame-pointer 
> -pipe -mpreferred-stack-boundary=2 -march=i686  -Os  -nostdinc -iwithprefix 
> include -DKBUILD_BASENAME=osl  -c -o osl.o osl.c
> osl.c: In function `acpi_os_table_override':
> osl.c:235: `acpi_table_header' undeclared (first use in this function)
> osl.c:235: (Each undeclared identifier is reported only once
> osl.c:235: for each function it appears in.)
> osl.c:235: parse error before ')' token
> osl.c:235: warning: statement with no effect
> make[3]: *** [osl.o] Error 1
> ###################
> 
> my patched osl.c looks like :
> ###################
> acpi_status
> acpi_os_table_override (struct acpi_table_header *existing_table,
>                         struct acpi_table_header **new_table)
> {
>         if (!existing_table || !new_table)
>                 return AE_BAD_PARAMETER;
> 
>         if (strncmp(existing_table->signature, "DSDT", 4) == 0)
>                 *new_table = (acpi_table_header*)AmlCode;
>         else
>                 *new_table = NULL;
>         return AE_OK;
> }

acpi_status
acpi_os_table_override (struct acpi_table_header *existing_table,
                        struct acpi_table_header **new_table)
{
        if (!existing_table || !new_table)
                return AE_BAD_PARAMETER;

        if (strncmp(existing_table->signature, "DSDT", 4) == 0)
                *new_table = (struct acpi_table_header*)AmlCode;
        else
                *new_table = NULL;
        return AE_OK;
}


-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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