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authorSimon Glass <sjg@chromium.org>2019-12-06 21:42:35 -0700
committerBin Meng <bmeng.cn@gmail.com>2019-12-15 11:44:21 +0800
commitccdabd8956936319c5f7112bf5774e839b085874 (patch)
tree77ad19d52c8e52e2d2623ba182246e3d75b9d2c9 /include/spi.h
parent86c70e9ca65fcb84fd7751fbd5e153e3aa2e544d (diff)
spi: Correct operations check in dm_spi_xfer()
At present we have to have an xfer() method even if it does nothing. This is not correct, so fix it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include/spi.h')
-rw-r--r--include/spi.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/spi.h b/include/spi.h
index 6fbb4336ce..ba2c8406b2 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -224,7 +224,7 @@ void spi_release_bus(struct spi_slave *slave);
int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen);
/**
- * SPI transfer
+ * SPI transfer (optional if mem_ops is used)
*
* This writes "bitlen" bits out the SPI MOSI port and simultaneously clocks
* "bitlen" bits in the SPI MISO port. That's just the way SPI works.