| Submitter | Simon Glass |
|---|---|
| Date | Dec. 26, 2012, 10:28 p.m. |
| Message ID | <1356560913-2205-9-git-send-email-sjg@chromium.org> |
| Download | mbox | patch |
| Permalink | /patch/208237/ |
| State | Superseded, archived |
| Delegated to: | Simon Glass |
| Headers | show |
Comments
Patch
diff --git a/include/spi.h b/include/spi.h index ebc9652..3fe2e1e 100644 --- a/include/spi.h +++ b/include/spi.h @@ -49,10 +49,13 @@ * * bus: ID of the bus that the slave is attached to. * cs: ID of the chip select connected to the slave. + * max_write_size: If non-zero, the maximum number of bytes which can + * be written at once, excluding command bytes. */ struct spi_slave { unsigned int bus; unsigned int cs; + unsigned int max_write_size; }; /*-----------------------------------------------------------------------
Some SPI controllers (e.g. Intel ICH) have a limit on the number of SPI bytes that can be written at a time. Add this as a parameter so that clients of the SPI interface can respect this value. Signed-off-by: Simon Glass <sjg@chromium.org> --- include/spi.h | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)