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-rw-r--r--include/linux/spi/spi-mem.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h
index 306c05dd1378..c4830dfaff3d 100644
--- a/include/linux/spi/spi-mem.h
+++ b/include/linux/spi/spi-mem.h
@@ -424,6 +424,7 @@ bool spi_mem_default_supports_op(struct spi_mem *mem,
int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op);
void spi_mem_adjust_op_freq(struct spi_mem *mem, struct spi_mem_op *op);
+u64 spi_mem_calc_op_duration(struct spi_mem_op *op);
bool spi_mem_supports_op(struct spi_mem *mem,
const struct spi_mem_op *op);