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| author | Geert Uytterhoeven <geert+renesas@linux-m68k.org> | 2014-01-12 14:00:29 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-01-13 11:20:46 +0000 |
| commit | 1afd9989a6a2561183be82e420d4d2f3889b7ee7 (patch) | |
| tree | 3e531ecceb2e90e234d38bd52790145b76e8625b /drivers/spi/spi.c | |
| parent | 269ccca8ec1a3991e07eaf5f90326134bd17781a (diff) | |
| download | lwn-1afd9989a6a2561183be82e420d4d2f3889b7ee7.tar.gz lwn-1afd9989a6a2561183be82e420d4d2f3889b7ee7.zip | |
spi: core: Improve tx/rx_nbits check comments
- Rephrase the comments about tx/rx_nbits validity checks,
- Remove the stale comment about SPI_3WIRE (the code it refers to was
removed in commit 368ca4e0c75612c0a4d6bbcef7efb944604340c2 ("spi:
Eliminate 3WIRE spi_transfer check")).
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 36bfa7f820a6..9f26797e4319 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1660,9 +1660,8 @@ static int __spi_validate(struct spi_device *spi, struct spi_message *message) if (xfer->rx_buf && !xfer->rx_nbits) xfer->rx_nbits = SPI_NBITS_SINGLE; /* check transfer tx/rx_nbits: - * 1. keep the value is not out of single, dual and quad - * 2. keep tx/rx_nbits is contained by mode in spi_device - * 3. if SPI_3WIRE, tx/rx_nbits should be in single + * 1. check the value matches one of single, dual and quad + * 2. check tx/rx_nbits match the mode in spi_device */ if (xfer->tx_buf) { if (xfer->tx_nbits != SPI_NBITS_SINGLE && |