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authorPatrice Chotard <patrice.chotard@foss.st.com>2024-06-18 16:29:51 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-07-25 10:50:47 +0300
commit4bcb8e4c9ff6099b6524db74e7d70fc43722241f (patch)
treebd9634a4d1abb716209f02fa547824f8944b7d97 /include/linux
parent9155f7654461c000ff53785c701d02d9a2884253 (diff)
downloadlinux-4bcb8e4c9ff6099b6524db74e7d70fc43722241f.tar.xz
spi: Fix OCTAL mode support
[ Upstream commit d6a711a898672dd873aab3844f754a3ca40723a5 ] Add OCTAL mode support. Issue detected using "--octal" spidev_test's option. Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Link: https://msgid.link/r/20240618132951.2743935-4-patrice.chotard@foss.st.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/spi/spi.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 8cc7a99927f9..e5baf43bcfbb 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -1049,12 +1049,13 @@ struct spi_transfer {
unsigned dummy_data:1;
unsigned cs_off:1;
unsigned cs_change:1;
- unsigned tx_nbits:3;
- unsigned rx_nbits:3;
+ unsigned tx_nbits:4;
+ unsigned rx_nbits:4;
unsigned timestamped:1;
#define SPI_NBITS_SINGLE 0x01 /* 1-bit transfer */
#define SPI_NBITS_DUAL 0x02 /* 2-bit transfer */
#define SPI_NBITS_QUAD 0x04 /* 4-bit transfer */
+#define SPI_NBITS_OCTAL 0x08 /* 8-bit transfer */
u8 bits_per_word;
struct spi_delay delay;
struct spi_delay cs_change_delay;