[PATCH v4 2/4] NAND: FSL-UPM: Add wait flags to support board/chip specific delays

Anton Vorontsov avorontsov at ru.mvista.com
Tue Mar 31 15:05:42 EDT 2009

On Mon, Mar 30, 2009 at 12:02:43PM +0200, Wolfgang Grandegger wrote:
> The NAND flash on the TQM8548_BE modules requires a short delay after
> running the UPM pattern. The TQM8548_BE requires a further short delay
> after writing out a buffer. Normally the R/B pin should be checked, but
> it's not connected on the TQM8548_BE. The existing driver uses similar
> fixed delay points. To manage these extra delays in a more general way,
> I introduced the "fsl,ump-wait-flags" property allowing the board-
> specific driver to specify various types of extra delay.
> Signed-off-by: Wolfgang Grandegger <wg at grandegger.com>

Acked-by: Anton Vorontsov <avorontsov at ru.mvista.com>

More information about the linux-mtd mailing list