On Fri, Jun 25, 2010 at 4:49 PM, Stephen Neuendorffer
<[email protected]> wrote:
> Grant,
>
> I need this for the PCI project.  I also have a couple of other
> generalizations of the drivers/of code
> to get it to run after boot time in an X86 system...

Send me your patches!  :-)  Get them to me soon and I'll queue them up
for the next merge window.

g.

>
> Steve
>
> Reviewed-by: Stephen Neuendorffer <[email protected]>
>
>> -----Original Message-----
>> From:
> devicetree-discuss-bounces+stephen.neuendorffer=xilinx....@lists.ozlabs.
> org [mailto:devicetree-
>> [email protected]] On
> Behalf Of Grant Likely
>> Sent: Friday, June 25, 2010 3:03 PM
>> To: [email protected]; [email protected]
>> Cc: [email protected];
> [email protected]; linux-
>> [email protected]; [email protected];
> [email protected]
>> Subject: [PATCH] of/flattree: Use common ALIGN() macro instead of
> archspecific _ALIGN
>>
>> There's no reason to use the powerpc-specific _ALIGN macro in the fdt
>> code.  Replace it with ALIGN() from kernel.h
>>
>> Signed-off-by: Grant Likely <[email protected]>
>> ---
>>  arch/microblaze/include/asm/page.h |    7 -------
>>  drivers/of/fdt.c                   |   20 ++++++++++----------
>>  2 files changed, 10 insertions(+), 17 deletions(-)
>>
>> diff --git a/arch/microblaze/include/asm/page.h
> b/arch/microblaze/include/asm/page.h
>> index 464ff32..2fd4761 100644
>> --- a/arch/microblaze/include/asm/page.h
>> +++ b/arch/microblaze/include/asm/page.h
>> @@ -39,13 +39,6 @@
>>  #define PAGE_UP(addr)
> (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
>>  #define PAGE_DOWN(addr)      ((addr)&(~((PAGE_SIZE)-1)))
>>
>> -/* align addr on a size boundary - adjust address up/down if needed
> */
>> -#define _ALIGN_UP(addr, size)
> (((addr)+((size)-1))&(~((size)-1)))
>> -#define _ALIGN_DOWN(addr, size)      ((addr)&(~((size)-1)))
>> -
>> -/* align addr on a size boundary - adjust address up if needed */
>> -#define _ALIGN(addr, size)   _ALIGN_UP(addr, size)
>> -
>>  #ifndef CONFIG_MMU
>>  /*
>>   * PAGE_OFFSET -- the first address of the first page of memory. When
> not
>> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
>> index b6987bb..d61fda8 100644
>> --- a/drivers/of/fdt.c
>> +++ b/drivers/of/fdt.c
>> @@ -69,9 +69,9 @@ int __init of_scan_flat_dt(int (*it)(unsigned long
> node,
>>                       u32 sz = be32_to_cpup((__be32 *)p);
>>                       p += 8;
>>                       if (be32_to_cpu(initial_boot_params->version) <
> 0x10)
>> -                             p = _ALIGN(p, sz >= 8 ? 8 : 4);
>> +                             p = ALIGN(p, sz >= 8 ? 8 : 4);
>>                       p += sz;
>> -                     p = _ALIGN(p, 4);
>> +                     p = ALIGN(p, 4);
>>                       continue;
>>               }
>>               if (tag != OF_DT_BEGIN_NODE) {
>> @@ -80,7 +80,7 @@ int __init of_scan_flat_dt(int (*it)(unsigned long
> node,
>>               }
>>               depth++;
>>               pathp = (char *)p;
>> -             p = _ALIGN(p + strlen(pathp) + 1, 4);
>> +             p = ALIGN(p + strlen(pathp) + 1, 4);
>>               if ((*pathp) == '/') {
>>                       char *lp, *np;
>>                       for (lp = NULL, np = pathp; *np; np++)
>> @@ -109,7 +109,7 @@ unsigned long __init of_get_flat_dt_root(void)
>>               p += 4;
>>       BUG_ON(be32_to_cpup((__be32 *)p) != OF_DT_BEGIN_NODE);
>>       p += 4;
>> -     return _ALIGN(p + strlen((char *)p) + 1, 4);
>> +     return ALIGN(p + strlen((char *)p) + 1, 4);
>>  }
>>
>>  /**
>> @@ -138,7 +138,7 @@ void *__init of_get_flat_dt_prop(unsigned long
> node, const char *name,
>>               noff = be32_to_cpup((__be32 *)(p + 4));
>>               p += 8;
>>               if (be32_to_cpu(initial_boot_params->version) < 0x10)
>> -                     p = _ALIGN(p, sz >= 8 ? 8 : 4);
>> +                     p = ALIGN(p, sz >= 8 ? 8 : 4);
>>
>>               nstr = find_flat_dt_string(noff);
>>               if (nstr == NULL) {
>> @@ -151,7 +151,7 @@ void *__init of_get_flat_dt_prop(unsigned long
> node, const char *name,
>>                       return (void *)p;
>>               }
>>               p += sz;
>> -             p = _ALIGN(p, 4);
>> +             p = ALIGN(p, 4);
>>       } while (1);
>>  }
>>
>> @@ -184,7 +184,7 @@ static void *__init unflatten_dt_alloc(unsigned
> long *mem, unsigned long size,
>>  {
>>       void *res;
>>
>> -     *mem = _ALIGN(*mem, align);
>> +     *mem = ALIGN(*mem, align);
>>       res = (void *)*mem;
>>       *mem += size;
>>
>> @@ -220,7 +220,7 @@ unsigned long __init unflatten_dt_node(unsigned
> long mem,
>>       *p += 4;
>>       pathp = (char *)*p;
>>       l = allocl = strlen(pathp) + 1;
>> -     *p = _ALIGN(*p + l, 4);
>> +     *p = ALIGN(*p + l, 4);
>>
>>       /* version 0x10 has a more compact unit name here instead of the
> full
>>        * path. we accumulate the full path size using "fpsize", we'll
> rebuild
>> @@ -299,7 +299,7 @@ unsigned long __init unflatten_dt_node(unsigned
> long mem,
>>               noff = be32_to_cpup((__be32 *)((*p) + 4));
>>               *p += 8;
>>               if (be32_to_cpu(initial_boot_params->version) < 0x10)
>> -                     *p = _ALIGN(*p, sz >= 8 ? 8 : 4);
>> +                     *p = ALIGN(*p, sz >= 8 ? 8 : 4);
>>
>>               pname = find_flat_dt_string(noff);
>>               if (pname == NULL) {
>> @@ -333,7 +333,7 @@ unsigned long __init unflatten_dt_node(unsigned
> long mem,
>>                       *prev_pp = pp;
>>                       prev_pp = &pp->next;
>>               }
>> -             *p = _ALIGN((*p) + sz, 4);
>> +             *p = ALIGN((*p) + sz, 4);
>>       }
>>       /* with version 0x10 we may not have the name property, recreate
>>        * it here from the unit name if absent
>>
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-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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