On Thu, Sep 16, 2010 at 09:05:25AM +0200, christophe leroy wrote: > This patch applies to 2.6.34.7 and 2.6.35.4 > It fixes an issue when sending only or receiving only more than PAGE_SIZE > bytes > > Signed-off-by: christophe leroy <christophe.le...@c-s.fr>
applied to merge-spi branch, thanks. g. > > diff -urN c/drivers/spi/spi_mpc8xxx.c d/drivers/spi/spi_mpc8xxx.c > --- c/drivers/spi/spi_mpc8xxx.c 2010-09-08 16:44:03.000000000 +0200 > +++ d/drivers/spi/spi_mpc8xxx.c 2010-09-08 16:44:14.000000000 +0200 > @@ -393,11 +393,17 @@ > > xfer_ofs = mspi->xfer_in_progress->len - mspi->count; > > - out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma + xfer_ofs); > + if (mspi->rx_dma == mspi->dma_dummy_rx) > + out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma); > + else > + out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma + xfer_ofs); > out_be16(&rx_bd->cbd_datlen, 0); > out_be16(&rx_bd->cbd_sc, BD_SC_EMPTY | BD_SC_INTRPT | BD_SC_WRAP); > > - out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma + xfer_ofs); > + if (mspi->tx_dma == mspi->dma_dummy_tx) > + out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma); > + else > + out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma + xfer_ofs); > out_be16(&tx_bd->cbd_datlen, xfer_len); > out_be16(&tx_bd->cbd_sc, BD_SC_READY | BD_SC_INTRPT | BD_SC_WRAP | > BD_SC_LAST); _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
