linux-kernel - [PATCH] memory: renesas-rpc-if: refactor MOIIO and IOFV macros

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Date:   Fri, 19 Nov 2021 12:04:42 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-renesas-soc@...r.kernel.org
Cc:     Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] memory: renesas-rpc-if: refactor MOIIO and IOFV macros

Don't use _HIZ macros but also provide a val. This is more consistent
with the other macros and, thus, easier to read. Also shorter.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---

More readable but otherwise equal. I checked thatthe object files do
match.

 drivers/memory/renesas-rpc-if.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c
index 0c8f00323a91..4fa4e621d41c 100644
--- a/drivers/memory/renesas-rpc-if.c
+++ b/drivers/memory/renesas-rpc-if.c
@@ -24,14 +24,13 @@
 #define RPCIF_CMNCR_MOIIO2(val)	(((val) & 0x3) << 20)
 #define RPCIF_CMNCR_MOIIO1(val)	(((val) & 0x3) << 18)
 #define RPCIF_CMNCR_MOIIO0(val)	(((val) & 0x3) << 16)
-#define RPCIF_CMNCR_MOIIO_HIZ	(RPCIF_CMNCR_MOIIO0(3) | \
-				 RPCIF_CMNCR_MOIIO1(3) | \
-				 RPCIF_CMNCR_MOIIO2(3) | RPCIF_CMNCR_MOIIO3(3))
+#define RPCIF_CMNCR_MOIIO(val)	(RPCIF_CMNCR_MOIIO0(val) | RPCIF_CMNCR_MOIIO1(val) | \
+				 RPCIF_CMNCR_MOIIO2(val) | RPCIF_CMNCR_MOIIO3(val))
 #define RPCIF_CMNCR_IO3FV(val)	(((val) & 0x3) << 14) /* documented for RZ/G2L */
 #define RPCIF_CMNCR_IO2FV(val)	(((val) & 0x3) << 12) /* documented for RZ/G2L */
 #define RPCIF_CMNCR_IO0FV(val)	(((val) & 0x3) << 8)
-#define RPCIF_CMNCR_IOFV_HIZ	(RPCIF_CMNCR_IO0FV(3) | RPCIF_CMNCR_IO2FV(3) | \
-				 RPCIF_CMNCR_IO3FV(3))
+#define RPCIF_CMNCR_IOFV(val)	(RPCIF_CMNCR_IO0FV(val) | RPCIF_CMNCR_IO2FV(val) | \
+				 RPCIF_CMNCR_IO3FV(val))
 #define RPCIF_CMNCR_BSZ(val)	(((val) & 0x3) << 0)
 
 #define RPCIF_SSLDR		0x0004	/* R/W */
@@ -304,17 +303,14 @@ int rpcif_hw_init(struct rpcif *rpc, bool hyperflash)
 
 	if (rpc->type == RPCIF_RCAR_GEN3)
 		regmap_update_bits(rpc->regmap, RPCIF_CMNCR,
-				   RPCIF_CMNCR_MOIIO_HIZ | RPCIF_CMNCR_BSZ(3),
-				   RPCIF_CMNCR_MOIIO_HIZ |
+				   RPCIF_CMNCR_MOIIO(3) | RPCIF_CMNCR_BSZ(3),
+				   RPCIF_CMNCR_MOIIO(3) |
 				   RPCIF_CMNCR_BSZ(hyperflash ? 1 : 0));
 	else
 		regmap_update_bits(rpc->regmap, RPCIF_CMNCR,
-				   RPCIF_CMNCR_MOIIO_HIZ | RPCIF_CMNCR_IOFV_HIZ |
+				   RPCIF_CMNCR_MOIIO(3) | RPCIF_CMNCR_IOFV(3) |
 				   RPCIF_CMNCR_BSZ(3),
-				   RPCIF_CMNCR_MOIIO3(1) | RPCIF_CMNCR_MOIIO2(1) |
-				   RPCIF_CMNCR_MOIIO1(1) | RPCIF_CMNCR_MOIIO0(1) |
-				   RPCIF_CMNCR_IO3FV(2) | RPCIF_CMNCR_IO2FV(2) |
-				   RPCIF_CMNCR_IO0FV(2) |
+				   RPCIF_CMNCR_MOIIO(1) | RPCIF_CMNCR_IOFV(2) |
 				   RPCIF_CMNCR_BSZ(hyperflash ? 1 : 0));
 
 	/* Set RCF after BSZ update */
-- 
2.30.2