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| author | Beniamino Galvani <b.galvani@gmail.com> | 2014-11-22 18:21:39 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-11-24 21:53:42 +0300 |
| commit | b671358ad7916beb7ca9e5c304ae88afc7da4557 (patch) | |
| tree | ee79ebf66aa09c33baac5530127674c8fc5b9ad3 /include/linux/spi | |
| parent | 5d01410fe4d92081f349b013a2e7a95429e4f2c9 (diff) | |
| download | linux-b671358ad7916beb7ca9e5c304ae88afc7da4557.tar.xz | |
spi: core: Add spi_transfer_is_last() helper
This adds the function spi_transfer_is_last() which can be used by
drivers to know whether a given transfer is the last one in the
current message.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/spi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 46d188a9947c..a6ef2a8e6de4 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -1049,4 +1049,10 @@ spi_unregister_device(struct spi_device *spi) extern const struct spi_device_id * spi_get_device_id(const struct spi_device *sdev); +static inline bool +spi_transfer_is_last(struct spi_master *master, struct spi_transfer *xfer) +{ + return list_is_last(&xfer->transfer_list, &master->cur_msg->transfers); +} + #endif /* __LINUX_SPI_H */ |