On Thu, May 04, 2017 at 07:45:49PM +0200, Geert Uytterhoeven wrote: > From: Hisashi Nakamura <[email protected]> > > Add slave mode support to the MSIOF driver, in both PIO and DMA mode. > > For now this only supports the transmission of messages with a size > that is known in advance. > > Signed-off-by: Hisashi Nakamura <[email protected]> > Signed-off-by: Hiromitsu Yamasaki <[email protected]> > [geert: Timeout handling cleanup, spi core integration, cancellation, > rewording] > Signed-off-by: Geert Uytterhoeven <[email protected]> > --- > v3: > - Clear TIF_SIGPENDING when interrupted to fix cancellation, > - Extract sh_msiof_wait_for_completion(), > - Add #include <linux/sched/signal.h>, > - Convert to use spi_alloc_slave(), > > v2: > - Document "spi-slave" property in DT bindings, > - Use spi_controller_is_slave() helper, > - Check for "spi-slave" property instead of "slave" child node, > - Replace SPI_MASTER_IS_SLAVE by SPI_CONTROLLER_IS_SLAVE, > - Implement cancellation. > --- > Documentation/devicetree/bindings/spi/sh-msiof.txt | 2 +
Acked-by: Rob Herring <[email protected]> > drivers/spi/spi-sh-msiof.c | 121 > +++++++++++++++------ > include/linux/spi/sh_msiof.h | 6 + > 3 files changed, 96 insertions(+), 33 deletions(-)
