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| author | Tejun Heo <tj@kernel.org> | 2010-05-10 21:41:33 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2010-05-19 13:31:29 -0400 |
| commit | 8930ff254a3a80d4477c3391ade07d6dd2a036c7 (patch) | |
| tree | 2c83672d48fbe306d6968f9f54b0d80fb736d5f9 /drivers/ata/sata_mv.c | |
| parent | 9f2f72107ff621fdf3066e5a1b5ecb03ee587ebc (diff) | |
| download | linux-8930ff254a3a80d4477c3391ade07d6dd2a036c7.tar.bz2 | |
libata-sff: clean up inheritance in several drivers
1. pata_cmd640 is PIO only. Inherit from sff.
2. pata_macio is BMDMA. Inherit from bmdma and drop explicit
bmdma_mode_filter() setting.
3. In sata_mv, unlike mv5, mv6 is BMDMA. Inherit from bmdma and
don't clear ->post_internal_cmd().
4. bf54x and icside are quasi-BMDMA controllers which don't use the
standard BMDMA registers so they don't initialize bmdma_addr and
inherit from sff to avoid the default mode_filter which disables
DMA modes if bmdma_addr is not initialized.
For 2 and 3, this patch makes the drivers explicitly specify
->mode_filter to ATA_OP_NULL while inheriting from ata_bmdma_port_ops.
These will be removed by the next patch.
This patch makes all and only BMDMA drivers inherit from
ata_bmdma_port_ops to ease further SFF/BMDMA separation.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/sata_mv.c')
| -rw-r--r-- | drivers/ata/sata_mv.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 318862e8a8a9..a03371075990 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -686,16 +686,27 @@ static struct ata_port_operations mv5_ops = { }; static struct ata_port_operations mv6_ops = { - .inherits = &mv5_ops, + .inherits = &ata_bmdma_port_ops, + + .lost_interrupt = ATA_OP_NULL, + + .qc_defer = mv_qc_defer, + .qc_prep = mv_qc_prep, + .qc_issue = mv_qc_issue, + .dev_config = mv6_dev_config, - .scr_read = mv_scr_read, - .scr_write = mv_scr_write, + .freeze = mv_eh_freeze, + .thaw = mv_eh_thaw, + .hardreset = mv_hardreset, + .softreset = mv_softreset, .pmp_hardreset = mv_pmp_hardreset, .pmp_softreset = mv_softreset, - .softreset = mv_softreset, .error_handler = mv_pmp_error_handler, + .scr_read = mv_scr_read, + .scr_write = mv_scr_write, + .sff_check_status = mv_sff_check_status, .sff_irq_clear = mv_sff_irq_clear, .check_atapi_dma = mv_check_atapi_dma, @@ -703,6 +714,11 @@ static struct ata_port_operations mv6_ops = { .bmdma_start = mv_bmdma_start, .bmdma_stop = mv_bmdma_stop, .bmdma_status = mv_bmdma_status, + + .port_start = mv_port_start, + .port_stop = mv_port_stop, + + .mode_filter = ATA_OP_NULL, /* will be removed soon */ }; static struct ata_port_operations mv_iie_ops = { |