The patch titled Blackfin SPI Driver: add comment about full duplex dma according to David Brownell has been added to the -mm tree. Its filename is blackfin-spi-driver-add-comment-about-full-duplex-dma-according-to-david-brownell.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: Blackfin SPI Driver: add comment about full duplex dma according to David Brownell From: Mike Frysinger <vapier.adi@xxxxxxxxx> Signed-off-by: Mike Frysinger <vapier.adi@xxxxxxxxx> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx> Cc: David Brownell <david-b@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/spi/spi_bfin5xx.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff -puN drivers/spi/spi_bfin5xx.c~blackfin-spi-driver-add-comment-about-full-duplex-dma-according-to-david-brownell drivers/spi/spi_bfin5xx.c --- a/drivers/spi/spi_bfin5xx.c~blackfin-spi-driver-add-comment-about-full-duplex-dma-according-to-david-brownell +++ a/drivers/spi/spi_bfin5xx.c @@ -738,9 +738,10 @@ static void pump_transfers(unsigned long width, transfer->len); /* - * Try to map dma buffer and do a dma transfer if - * successful use different way to r/w according to - * drv_data->cur_chip->enable_dma + * Try to map dma buffer and do a dma transfer. If successful use, + * different way to r/w according to the enable_dma settings and if + * we are not doing a full duplex transfer (since the hardware does + * not support full duplex DMA transfers). */ if (!full_duplex && drv_data->cur_chip->enable_dma && drv_data->len > 6) { _ Patches currently in -mm which might be from vapier.adi@xxxxxxxxx are origin.patch video-framebuffer-move-the-probe-func-into-devinittext-in-blackfin-lcd-driver.patch linux-next.patch blackfin-nfc-driver-do-not-clobber-dmac1_perimux.patch blackfin-nfc-driver-mark-bf5xx_nand_add_partition-as-__devinit.patch blackfin-nfc-driver-drop-pointless-casts-with-set_dma_callback.patch mtd-maps-blackfin-async-flash-maps-fix-bug-dont-leak-resources-when-initializing-in-case-of-errors.patch mtd-maps-blackfin-async-flash-maps-bfin-async-mtd-driver-needs-complex-mappings.patch mtd-maps-blackfin-async-flash-maps-fix-up-memory-leak.patch blackfin-spi-driver-add-comment-about-full-duplex-dma-according-to-david-brownell.patch blackfin-spi-driver-fix-null-pointer-crash.patch bin_elf_fdpic-check-the-return-value-of-clear_user.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html