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-rw-r--r--arch/sandbox/include/asm/spi.h13
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/sandbox/include/asm/spi.h b/arch/sandbox/include/asm/spi.h
index 49b4a0f103..9985e3c494 100644
--- a/arch/sandbox/include/asm/spi.h
+++ b/arch/sandbox/include/asm/spi.h
@@ -33,19 +33,6 @@ struct sandbox_spi_emu_ops {
};
/*
- * There are times when the data lines are allowed to tristate. What
- * is actually sensed on the line depends on the hardware. It could
- * always be 0xFF/0x00 (if there are pull ups/downs), or things could
- * float and so we'd get garbage back. This func encapsulates that
- * scenario so we can worry about the details here.
- */
-static inline void sandbox_spi_tristate(u8 *buf, uint len)
-{
- /* XXX: make this into a user config option ? */
- memset(buf, 0xff, len);
-}
-
-/*
* Extract the bus/cs from the spi spec and return the start of the spi
* client spec. If the bus/cs are invalid for the current config, then
* it returns NULL.
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