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| author | Tejun Heo <tj@kernel.org> | 2010-05-19 22:10:24 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2010-05-25 19:41:12 -0400 |
| commit | 9a7780c9acb821fe1c2b6fc53f74cc2556ff5364 (patch) | |
| tree | 9590f79a1a0631120322ecfa8a86f610859d7aec /init | |
| parent | d6b0de8c28ef32d081cfee938e443ce2a2429cfe (diff) | |
| download | linux-9a7780c9acb821fe1c2b6fc53f74cc2556ff5364.tar.bz2 | |
libata-sff: make BMDMA optional
Make BMDMA optional depending on new config variable CONFIG_ATA_BMDMA.
In Kconfig, drivers are grouped into five groups - non-SFF native, SFF
w/ custom DMA interface, SFF w/ BMDMA, PIO-only SFF, and generic
fallback / legacy ones. Kconfig and Makefile are reorganized
according to the groups and ordered alphabetically inside each group.
ata_ioports.bmdma_addr and ata_port.bmdma_prd[_dma] are put into
CONFIG_ATA_BMDMA, as are all bmdma related ops, variables and
functions.
This increase the binary size slightly when BMDMA is enabled but on
both native-only and PIO-only configurations the size is slightly
reduced. Either way, the size difference is insignificant. This
change is more meaningful to signify the separation between SFF and
BMDMA and as a tool to verify the separation.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions