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init_chipset_ali15x3() initializes the chipset during init with disabled
interrupts. There is no need to keep the interrupts disabled during
pci_dev_put().
Move the irq-restore before pci_dev_put() is invoked.
Side note: The same init is performed in
drivers/ata/pata_ali.c::ali_init_chipset() without disabled interrupts.
It looks that the same hardware is supported in the ATA land. Would it
make sense to remove this driver since it is supported in the other
subsystem?
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
CONFIG_HOTPLUG is going away as an option. As a result, the __dev*
markings need to be removed.
This change removes the use of __devinit, __devexit_p, __devinitdata,
__devinitconst, and __devexit from these drivers.
Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Clear UDMA enable bit also for PIO modes.
Based on libata pata_ali host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stop depending on the BIOS setup.
Based on libata pata_ali host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stop depending on the BIOS setup.
Based on libata pata_ali host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Account for the requirements of the other device on the port.
Based on libata pata_ali host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change ->set_dma_mode method parameters to match ->set_dmamode method
used in struct ata_port_operations.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Change ->set_pio_mode method parameters to match ->set_piomode method
used in struct ata_port_operations.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove leftover local_irq_[save,restore]() and FIXME note.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Based on libata pata_ali host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Just use the standard ide_timing_compute() helper to calculate
PIO timings. This fixes many issues with the open-coded version
like potential recovery timings underclocking or not accounting
for the enhanced cycle time specified by the device.
Based on libata pata_ali host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some time ago we had to disable init_hwif callback for PowerPC builds.
That was because of a historical IRQ overwrite in the driver, which
was causing IDE malfunction on the MPC8610HPCD PowerPC boards.
It's unclear whether this overwrite is still useful, but it is proven
to cause a bit of harm, and today some PowerPC targets (Xilinx ML510,
as reported by Roderick Colenbrander) need the init_hwif, so we have
to re-enable it and remove the overwrite.
Reported-by: Roderick Colenbrander <thunderbird2k@gmail.com>
Suggested-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Add (an optional) ->dma_check method for checking if DMA can be
used for a given command and fail DMA setup in ide_dma_prepare()
if necessary.
* Convert alim15x3 and trm290 host drivers to use ->dma_check.
* Rename ali15x3_dma_setup() to ali_dma_check() while at it.
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
All custom ->dma_timeout implementations call the generic one thus it is
possible to have only an optional method for resetting DMA engine instead:
* Add ->dma_clear method and convert hpt366, pdc202xx_old and sl82c105
host drivers to use it.
* Always use ide_dma_timeout() in ide_dma_timeout_retry() and remove
->dma_timeout method.
* Make ide_dma_timeout() static.
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Rename dma_timer_expiry() to ide_dma_sff_timer_expiry() and export it.
* Add ->dma_timer_expiry method and use it to set hwif->expiry for
ATA_PROT_DMA protocol in do_rw_taskfile().
* Initialize ->dma_timer_expiry to ide_dma_sff_timer_expiry() for SFF hosts.
* Move setting hwif->expiry from ide_execute_command() to its users and drop
'expiry' argument.
* Use ide_execute_command() instead of ->dma_exec_cmd in do_rw_taskfile().
* Remove ->dma_exec_cmd method and its implementations.
* Unexport ide_execute_command() and ide_dma_intr().
v2:
* Fix CONFIG_BLK_DEV_IDEDMA=n build (noticed by Randy Dunlap).
* Fix *dma_expiry naming (suggested by Sergei Shtylyov).
There should be no functional changes caused by this patch.
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Set IDE_TFLAG_WRITE flag and ->rq also for ATA_CMD_PACKET
commands.
* Pass command to ->dma_setup method and update all its
implementations accordingly.
* Pass command instead of request to ide_build_sglist(),
*_build_dmatable() and ide_map_sg().
While at it:
* Fix scc_dma_setup() documentation + use ATA_DMA_WR define.
* Rename sgiioc4_build_dma_table() to sgiioc4_build_dmatable(),
change return value type to 'int' and drop unused 'ddir'
argument.
* Do some minor cleanups in [tx4939]ide_dma_setup().
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Return 0 instead of dev->irq in ->init_chipset implementations.
* Fix ->init_chipset method to return 'int' value instead of
'unsigned int' one.
This fixes ->init_chipset handling for host drivers (cs5530, hpt366
and pdc202xx_new) for which it is possible for this method to fail.
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>
Replace setting of 'hwif->dma_ops' in the 'alim15x3' and 'palm_bk3710' drivers'
init_dma() methods with initializing the corresponding member of their 'struct
ide_port_info' instances and remove such setting from the 'hpt366' driver that
just doesn't use 'sff_dma_ops'. Along with some code save, this prepares us for
the next patch...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
