> On 1/14/12, Matthias Fuchs <matthias.fu...@esd.eu> wrote: > > The generic spi flash driver (drivers/mtd/spi/spi_flash.c) uses the > > spi low level driver's spi_xfer() function with len=0 to deassert the > > SPI flash' chip select. But the i.MX28 spi driver rejects this call > > due to len=0. > > > > This patch implements an exception for len=0 with the SPI_XFER_END > > flag set. This results in an extra read with the chip select being > > deasserted afterwards. There seems to be no way to deassert the signal > > by hand. > > > > Signed-off-by: Matthias Fuchs <matthias.fu...@esd.eu> > > Tested-by: Fabio Estevam <fabio.este...@freescale.com> > > Soldered a SST25VF016B on a mx28evk (and also the SPI pullups) and > verified that the flash can be erased succesfully now. > > I suggest that this patch gets applied as it fixes a real issue. > > Thanks, > > Fabio Estevam
I'm all for it. M _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
