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Make consistent use of scc_dma_sff_read_status() throughout the driver.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Move apparently misplaced read_sff_dma_status() method from 'struct ide_tp_ops'
to 'struct ide_dma_ops', renaming it to dma_sff_read_status() and making only
required for SFF-8038i compatible IDE controller drivers (greatly cutting down
the number of initializers) as its only user (outside ide-dma-sff.c and such
drivers) appears to be ide_pci_check_simplex() which is only called for such
controllers...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Add ide_port_for_each_dev() / ide_host_for_each_port() iterators
and update IDE code to use them.
While at it:
- s/unit/i/ variable in ide_port_wait_ready(), ide_probe_port(),
ide_port_tune_devices(), ide_port_init_devices_data(), do_reset1(),
ide_acpi_set_state() and scc_dma_end()
- s/d/i/ variable in ide_proc_port_register_devices()
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Allocate device structures dynamically instead of having them embedded
in ide_hwif_t:
* Remove needless zeroing of port structure from ide_init_port_data().
* Add ide_hwif_t.devices[MAX_DRIVES] (table of pointers to the devices).
* Add ide_port_{alloc,free}_devices() helpers and use them respectively
in ide_{host,free}_alloc().
* Convert all users of ->drives[] to use ->devices[] instead.
While at it:
* Use drive->dn for the slave device check in scc_pata.c.
As a nice side-effect this patch cuts ~1kB (x86-32) from the resulting
code size:
text data bss dec hex filename
53963 1244 237 55444 d894 drivers/ide/ide-core.o.before
52981 1244 237 54462 d4be drivers/ide/ide-core.o.after
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
based on suggestion from Sergei Shtylyov, there are two more places
where using pci_ioremap_bar() makes sense.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
