[PATCH] spi: Fix the error description in the `ptp_sts_word_post` comment

[Dewei Meng <mengdewei@cqsoftware.com.cn>]

Based on the comment information, the description within the
`ptp_sts_word_post` section should be changed to "See @ptp_sts_word_pre".

Signed-off-by: Dewei Meng <mengdewei@cqsoftware.com.cn>
---
 include/linux/spi/spi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 7587b1c5d7ec..82682dd9961d 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -1019,7 +1019,7 @@ struct spi_res {
  *	this value may have changed compared to what was requested, depending
  *	on the available snapshotting resolution (DMA transfer,
  *	@ptp_sts_supported is false, etc).
- * @ptp_sts_word_post: See @ptp_sts_word_post. The two can be equal (meaning
+ * @ptp_sts_word_post: See @ptp_sts_word_pre. The two can be equal (meaning
  *	that a single byte should be snapshotted).
  *	If the core takes care of the timestamp (if @ptp_sts_supported is false
  *	for this controller), it will set @ptp_sts_word_pre to 0, and
-- 
2.43.7