Re: [2.6 patch] xtensa: don't offer ATA

From: Adrian Bunk
Date: Mon Apr 21 2008 - 15:40:16 EST


On Thu, Apr 17, 2008 at 03:39:29PM -0400, Jeff Garzik wrote:
> Adrian Bunk wrote:
>> Trying to build libata for xtensa fails with the following error:
>>
>> <-- snip -->
>>
>> ...
>> CC [M] drivers/ata/libata-core.o
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c: In function 'ata_devchk':
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c:1034: error: implicit declaration of function 'iowrite8'
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c:1043: error: implicit declaration of function 'ioread8'
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c: In function 'ata_data_xfer':
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c:5027: error: implicit declaration of function 'ioread16_rep'
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c:5029: error: implicit declaration of function 'iowrite16_rep'
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c:5037: error: implicit declaration of function 'ioread16'
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c:5041: error: implicit declaration of function 'iowrite16'
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c: In function 'ata_wait_register':
>> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ata/libata-core.c:7700: error: implicit declaration of function 'ioread32'
>> make[3]: *** [drivers/ata/libata-core.o] Error 1
>>
>> <-- snip -->
>>
>> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>
>>
>> ---
>> aa579e7ab065e41a9d1e27e1f4b7af6b0508018c diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
>> index 25aba69..f34e9d1 100644
>> --- a/drivers/ata/Kconfig
>> +++ b/drivers/ata/Kconfig
>> @@ -6,7 +6,7 @@ menuconfig ATA
>> tristate "Serial ATA (prod) and Parallel ATA (experimental) drivers"
>> depends on HAS_IOMEM
>> depends on BLOCK
>> - depends on !(M32R || M68K) || BROKEN
>> + depends on !(M32R || M68K || XTENSA) || BROKEN
>> depends on !SUN4 || BROKEN
>> select SCSI
>
> XTENSA offers HAS_IOMEM but not iomem functions? That seems like the
> problem to me.

Chris, can you comment on this?

> Overall, we should not be adding specific arches to an exclusion list,
> we should defining HAS_IOFOO or MISSING_IOFOO or another symbol in the
> appropriate arch.
>
> Jeff

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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