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| author | Sourav Poddar <sourav.poddar@ti.com> | 2013-07-18 10:01:25 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-07-18 15:22:01 (GMT) |
| commit | 078726ce6d56a767533064e0f2f2100d7cb6fc22 (patch) | |
| tree | d5b74c5b42ae49a9fcc0eabcc922c6309fe8eb8c | |
| parent | ad81f0545ef01ea651886dddac4bef6cec930092 (diff) | |
| download | linux-fsl-qoriq-078726ce6d56a767533064e0f2f2100d7cb6fc22.tar.xz | |
driver: spi: Modify core to compute the message length
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>
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | drivers/spi/spi.c | 1 | ||||
| -rw-r--r-- | 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 978dda2..7e3446c 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 28e440b..aadd0a8 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -578,6 +578,7 @@ struct spi_message { /* completion is reported through a callback */ void (*complete)(void *context); void *context; + unsigned frame_length; unsigned actual_length; int status; |