[PATCH 2/2] mci: remove FIXME in rca description

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The FIXME was added in the commit introducing the file many years ago.
The RCA is a bit special in that it's unused for SPI, reported by the
card for MMC and set by the host for SD. There are comments describing
this in the MCI core, so just explain the abbreviation in the
documentation comment.

Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
 include/mci.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/mci.h b/include/mci.h
index 5781fb8ea381..2274ca8e97d5 100644
--- a/include/mci.h
+++ b/include/mci.h
@@ -564,7 +564,7 @@ struct mci {
 	unsigned scr[2];
 	unsigned csd[4];	/**< card's "card specific data register" */
 	unsigned cid[4];	/**< card's "card identification register" */
-	unsigned short rca;	/* FIXME */
+	unsigned short rca;	/**< relative card address */
 	bool sdio;              /**< card is a SDIO card */
 	bool high_capacity;	/**< high capacity card is connected (OCR -> OCR_HCS) */
 	unsigned tran_speed;	/**< Maximum transfer speed */

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