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Subject2.6.23-rc6-mm1: Build failure on ppc64 drivers/ata/pata_scc.c
PPC64 building allmodconfig fails to compile drivers/ata/pata_scc.c . It
doesn't show up on other arches because this driver is specific to the

drivers/ata/pata_scc.c: In function `scc_bmdma_status':
drivers/ata/pata_scc.c:734: error: structure has no member named `active_tag'
drivers/ata/pata_scc.c: In function `scc_pata_prereset':
drivers/ata/pata_scc.c:866: warning: passing arg 1 of `ata_std_prereset' from incompatible pointer type
drivers/ata/pata_scc.c: In function `scc_error_handler':
drivers/ata/pata_scc.c:908: warning: passing arg 2 of `ata_bmdma_drive_eh' from incompatible pointer type
drivers/ata/pata_scc.c:908: warning: passing arg 3 of `ata_bmdma_drive_eh' from incompatible pointer type
drivers/ata/pata_scc.c:908: warning: passing arg 5 of `ata_bmdma_drive_eh' from incompatible pointer type
make[2]: *** [drivers/ata/pata_scc.o] Error 1
make[1]: *** [drivers/ata] Error 2
make: *** [drivers] Error 2

The problem seems to be in git-libata-all.patch but based on similar
changes in this patch, the following patch should be the fix.

Signed-off-by: Mel Gorman <>
drivers/ata/pata_scc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff -rup -X /usr/src/patchset-0.6/bin//dontdiff linux-2.6.23-rc6-mm1-025_fix_ppc64_kgdb/drivers/ata/pata_scc.c linux-2.6.23-rc6-mm1-030_fix_ppc64_sata/drivers/ata/pata_scc.c
--- linux-2.6.23-rc6-mm1-025_fix_ppc64_kgdb/drivers/ata/pata_scc.c 2007-09-18 11:29:26.000000000 +0100
+++ linux-2.6.23-rc6-mm1-030_fix_ppc64_sata/drivers/ata/pata_scc.c 2007-09-20 11:51:01.000000000 +0100
@@ -731,7 +731,7 @@ static u8 scc_bmdma_status (struct ata_p
void __iomem *mmio = ap->ioaddr.bmdma_addr;
u8 host_stat = in_be32(mmio + SCC_DMA_STATUS);
u32 int_status = in_be32(mmio + SCC_DMA_INTST);
- struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
+ struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->link.active_tag);
static int retry = 0;

/* return if IOS_SS is cleared */
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
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