Make spi core calculate the message length while populating the other transfer parameters.
Usecase, driver can use it to populate framelength filed in their controller. Signed-off-by: Sourav Poddar <[email protected]> --- drivers/spi/spi.c | 1 + include/linux/spi/spi.h | 1 + 2 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 32b7bb1..6a05b3c 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1375,6 +1375,7 @@ static int __spi_async(struct spi_device *spi, struct spi_message *message) * it is not set for this transfer. */ list_for_each_entry(xfer, &message->transfers, transfer_list) { + message->frame_length += xfer->len; if (!xfer->bits_per_word) xfer->bits_per_word = spi->bits_per_word; if (!xfer->speed_hz) diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 6ff26c8..d83841e 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -575,6 +575,7 @@ struct spi_message { /* completion is reported through a callback */ void (*complete)(void *context); void *context; + unsigned frame_length; unsigned actual_length; int status; -- 1.7.1 ------------------------------------------------------------------------------ See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
