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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-28 18:04:06 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-28 18:04:06 -0700 |
| commit | 2f19e7a7e63a04f4bbaf327d9d0e69ac800b2b8f (patch) | |
| tree | 5e395102e3e0164a3347d9cfd7696505677618ad /include | |
| parent | 8f0566118e2def0bb8e05de8b19942e9e8111c9a (diff) | |
| parent | c949a8e8b43f2c75567269bcc9a50d704ae3c420 (diff) | |
| download | linux-2f19e7a7e63a04f4bbaf327d9d0e69ac800b2b8f.tar.bz2 | |
Merge tag 'spi-fix-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Mark writes:
"spi: Fixes for v4.19
Quite a few fixes for the Renesas drivers in here, plus a fix for the
Tegra driver and some documentation fixes for the recently added
spi-mem code. The Tegra fix is relatively large but fairly
straightforward and mechanical, it runs on probe so it's been
reasonably well covered in -next testing."
* tag 'spi-fix-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-mem: Move the DMA-able constraint doc to the kerneldoc header
spi: spi-mem: Add missing description for data.nbytes field
spi: rspi: Fix interrupted DMA transfers
spi: rspi: Fix invalid SPI use during system suspend
spi: sh-msiof: Fix handling of write value for SISTR register
spi: sh-msiof: Fix invalid SPI use during system suspend
spi: gpio: Fix copy-and-paste error
spi: tegra20-slink: explicitly enable/disable clock
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/spi/spi-mem.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index b2bd4b4127c4..69ee30456864 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -81,8 +81,10 @@ enum spi_mem_data_dir { * @dummy.buswidth: number of IO lanes used to transmit the dummy bytes * @data.buswidth: number of IO lanes used to send/receive the data * @data.dir: direction of the transfer - * @data.buf.in: input buffer - * @data.buf.out: output buffer + * @data.nbytes: number of data bytes to send/receive. Can be zero if the + * operation does not involve transferring data + * @data.buf.in: input buffer (must be DMA-able) + * @data.buf.out: output buffer (must be DMA-able) */ struct spi_mem_op { struct { @@ -105,7 +107,6 @@ struct spi_mem_op { u8 buswidth; enum spi_mem_data_dir dir; unsigned int nbytes; - /* buf.{in,out} must be DMA-able. */ union { void *in; const void *out; |