]> pilppa.com Git - linux-2.6-omap-h63xx.git/commit
ide: rework the code for selecting the best DMA transfer mode (v3)
authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Wed, 9 May 2007 22:01:08 +0000 (00:01 +0200)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Wed, 9 May 2007 22:01:08 +0000 (00:01 +0200)
commit2d5eaa6dd744a641e75503232a01f52d0768884c
tree0736bd00ea3bd032d601d0a676c998cb043b877a
parent18137207236285989dfc0ee7f929b954199228f3
ide: rework the code for selecting the best DMA transfer mode (v3)

Depends on the "ide: fix UDMA/MWDMA/SWDMA masks" patch.

* add ide_hwif_t.udma_filter hook for filtering UDMA mask
  (use it in alim15x3, hpt366, siimage and serverworks drivers)
* add ide_max_dma_mode() for finding best DMA mode for the device
  (loosely based on some older libata-core.c code)
* convert ide_dma_speed() users to use ide_max_dma_mode()
* make ide_rate_filter() take "ide_drive_t *drive" as an argument instead
  of "u8 mode" and teach it to how to use UDMA mask to do filtering
* use ide_rate_filter() in hpt366 driver
* remove no longer needed ide_dma_speed() and *_ratemask()
* unexport eighty_ninty_three()

v2:
* rename ->filter_udma_mask to ->udma_filter
  [ Suggested by Sergei Shtylyov <sshtylyov@ru.mvista.com>. ]

v3:
* updated for scc_pata driver (fixes XFER_UDMA_6 filtering for user-space
  originated transfer mode change requests when 100MHz clock is used)

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
27 files changed:
drivers/ide/arm/icside.c
drivers/ide/cris/ide-cris.c
drivers/ide/ide-dma.c
drivers/ide/ide-iops.c
drivers/ide/ide-lib.c
drivers/ide/ide.c
drivers/ide/pci/aec62xx.c
drivers/ide/pci/alim15x3.c
drivers/ide/pci/atiixp.c
drivers/ide/pci/cmd64x.c
drivers/ide/pci/cs5535.c
drivers/ide/pci/hpt34x.c
drivers/ide/pci/hpt366.c
drivers/ide/pci/it8213.c
drivers/ide/pci/it821x.c
drivers/ide/pci/jmicron.c
drivers/ide/pci/pdc202xx_new.c
drivers/ide/pci/pdc202xx_old.c
drivers/ide/pci/piix.c
drivers/ide/pci/scc_pata.c
drivers/ide/pci/serverworks.c
drivers/ide/pci/siimage.c
drivers/ide/pci/sis5513.c
drivers/ide/pci/slc90e66.c
drivers/ide/pci/tc86c001.c
drivers/ide/pci/triflex.c
include/linux/ide.h