| Message ID | 1374141687-10790-2-git-send-email-sourav.poddar@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Jul 18, 2013 at 03:31:25PM +0530, Sourav Poddar wrote: > Make spi core calculate the message length while > populating the other transfer parameters. Applied, thanks.
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;
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 <sourav.poddar@ti.com> --- drivers/spi/spi.c | 1 + include/linux/spi/spi.h | 1 + 2 files changed, 2 insertions(+), 0 deletions(-)