hi, > patch 1: move the mxs dma header to a more common place. > Beside the mx23/mx28, the apbh-dma is also used by MX50 and MX6Q. > So move the mxs dma header file to a more common place, and rename > it to mxs-dma.h > > patch 2: rewrite the last parameter of mxs_dma_prep_slave_sg(). > In the new GPMI version, some hardware behavior changes. > The WAIT4END bit should be set in the middle one of the ECC READ page DMA chain. > The DMA chain should be set like this: > > +-----+ +-----+ +-----+ > | cmd | ------------> | cmd | ------------------> | cmd | > +-----+ +-----+ +-----+ > ^ ^ > | | > | | > set WAIT4END here too set WAIT4END here > > So rewrite the last parameter of mxs_dma_prep_slave_sg(), use the > dma_ctrl_flags to set the proper DMA bit for DMA Command Structure. > And change the relative drivers with the dma_ctrl_flags. > > TEST: > Tested the mxs-mmc driver and gpmi-nand drive with the two patches > in MX28 board. > > v1 --> v2: > [1] squash the trial patches into single patch. > [2] use the dma_ctrl_flags. > > Huang Shijie (2): > mxs-dma : move the mxs dma.h to a more common place > mxs-dma : rewrite the last parameter of mxs_dma_prep_slave_sg() > > drivers/dma/mxs-dma.c | 34 +++++++++++++++++--- > drivers/mmc/host/mxs-mmc.c | 12 +++--- > drivers/mtd/nand/gpmi-nand/gpmi-lib.c | 28 +++++++++++++--- > drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 6 +++- > drivers/mtd/nand/gpmi-nand/gpmi-regs.h | 2 + > .../include/mach/dma.h => include/linux/mxs-dma.h | 0 > sound/soc/mxs/mxs-pcm.c | 2 +- > sound/soc/mxs/mxs-pcm.h | 2 +- > sound/soc/mxs/mxs-saif.c | 2 +- > 9 files changed, 67 insertions(+), 21 deletions(-) > rename arch/arm/mach-mxs/include/mach/dma.h => include/linux/mxs-dma.h (100%) > ping. Could these two patches ok ? My following patches depend upon them. BR Huang Shijie -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
