[PATCH 0/4] pata: imx: set timings for PIO modes up to PIO4

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The changeset adds support of PIO modes up to PIO4 by setting
necessary timings in the driver, before the change it is assumed
that the timings are always set by a bootloader once and thus
only one possible PIO mode has been supported (PIO0). With
this change the driver can be used on boards without ATA controller
configuration done by a bootloader.

The change is tested on a legacy i.MX31 board with an HDD connected
by a 40-pin flat cable.

Vladimir Zapolskiy (4):
  pata: imx: sort headers out
  pata: imx: set controller PIO mode with .set_piomode callback
  pata: imx: add support of setting timings for PIO modes
  pata: imx: support controller modes up to PIO4

 drivers/ata/pata_imx.c | 82 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 57 insertions(+), 25 deletions(-)

-- 
2.10.2

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